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| Код документа | system-450-series-control-modules-with-analog-outputs-installation-guide |
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Текст документа
System 450™ Series Control Modules with Analog Outputs
Installation Instructions
C450CPN-1 Part No. 24-7664-2780, Rev. A
C450CQN-1 Issued December 10, 2009
Application 13 11
(1/2) (7/16) 40
(1-9/16)
IMPORTANT: Use this System 450 Series Control
Module with Analog Output only as an operating
4
control. Where failure or malfunction of the System (3/16)
450 control module could lead to personal injury or 75 Screw
127 DIN Rail (2-15/16)
property damage to the controlled equipment or Clips Slots
(5)
(Four)
other property, additional precautions must be
designed into the control system. Incorporate and
maintain other devices, such as supervisory or
alarm systems or safety or limit controls, intended to
warn of or protect against failure or malfunction of 61 61
the System 450 control module. (2-3/8) (2-3/8)
1/2 in. Nominal
System 450 is a family of modular, digital electronic
FIG:sys450_dims
Trade Size
controls that is easily assembled and set up to provide Conduit Hole
22
reliable temperature, pressure, and humidity control for (7/8)
a wide variety of Heating, Air Conditioning, Ventilation,
and Refrigeration (HVACR), and commercial/industrial Figure 1: System 450 Module Dimensions, mm (in.)
process applications.
Mounting
The System 450 Series allows you to configure custom
application-specific control systems with up to three Location Considerations
input sensors and ten (relay and/or analog) outputs, Observe the following System 450 location guidelines:
including control systems that can monitor and control
temperature, pressure, and humidity applications • Ensure that the mounting surface can support the
simultaneously. module assembly, mounting hardware, and any
(user-supplied) panel or enclosure.
You can easily install and quickly configure a
stand-alone System 450 control module and sensor in • Mount the modules in upright and plugged together
the field as a replacement control for almost any in a horizontal row where possible. DIN rail
temperature, pressure, and humidity control. mounting is highly recommended.
C450CxN-1 models are analog output control modules • Mount modules on flat even surfaces.
with Liquid Crystal Display (LCD) and four-button touch • Allow sufficient space for wires and connections.
pad User Interface (UI) that allows you to set up a
System 450 control system. C450CPN-1 models • Mount the modules in locations free of corrosive
provide one self-selecting analog output, C450CQN-1 vapors and observe the ambient operating
models provide two self-selecting analog outputs. conditions in the Technical Specifications.
Refer to the System 450 Series Technical Bulletin • Do not mount the modules on surfaces that are
(LIT-12011459) for more detailed information on prone to vibration or in locations where radio
designing, installing, setting up, and troubleshooting frequency or electromagnetic emissions may
System 450 Series control systems. The System 450 cause interference.
technical bulletin can be accessed and downloaded on • Do not install the modules in airtight enclosures.
the Johnson Controls® Online Product Literature Web
site at the following Web address: • Do not install heat-generating devices in an
http://cgproducts.johnsoncontrols.com/default.aspx enclosure with the modules that may cause the
temperature to exceed the ambient operating limit.
System 450™ Series Control Modules with Analog Outputs Installation Instructions 1
Mounting System 450 Modules IMPORTANT: Do not exceed the System 450
Mount System 450 modules on 35 mm DIN rail module electrical ratings. Exceeding module
(recommended) or directly to an even wall surface. To electrical ratings can result in permanent damage to
mount the modules on DIN rail: the modules and void any warranty.
1. Provide a section of 35 mm DIN rail that is longer
than the module assembly width, and mount the IMPORTANT: Do not connect 24 VAC supply
DIN rail horizontally in a suitable location using power to the System 450 modules before finishing
appropriate mounting hardware/fasteners. wiring and checking all wiring connections. Short
circuits or improperly connected wires can result in
2. Clip the control module on the rail, position the damage to the modules and void any warranty.
upper DIN rail clips on the top rail, and gently snap
the lower clips on to the rail.
IMPORTANT: Run all low-voltage wiring and
3. Clip the remaining modules to the right of the cables separate from all high-voltage wiring.
control module on to the DIN rail and plug together. Shielded cable is strongly recommended for input
To direct mount modules to wall surfaces: and output cables that are exposed to high
electromagnetic or radio frequency noise.
1. Plug the modules together, remove the module
covers, place the assembly against wall surface
horizontally in a suitable location, and mark the
FIG:sys450_anlg_cntrl_wir
mount hole locations on the surface.
2. Install appropriate screw fasteners, leaving screw
Sn2
heads approximately one to two turns away from 24V
C
flush to the surface. C
Sn3
3. Place the assembly over screw heads and on the Sn1
5V
mounting slots, and carefully tighten mount screws. C
Common terminals (C)
Note: If you mount the modules on an uneven are internally
surface, do not damage the housings when connected.
tightening mounting screws. Use shims/washers to
mount module assembly evenly on the surface.
COM
COM AO2
AO2
AO1
AO1
Refer to the control sensor installation instructions for
information on locating and mounting control sensors.
Wiring + +
Analog Analog System 450
See Figure 2 and Table 1 for electrical termination Controlled Controlled Control Module
locations and wiring information. See Technical _
Device _
Device with Analog
Outputs
Specifications on page 11 for electrical ratings. Low-Voltage (C450CQN-1)
Analog Output Terminals
WARNING: Risk of Electric Shock.
Disconnect or isolate all power supplies
! before making electrical connections. Figure 2: C450CxN-1 Wiring Terminals
More than one disconnect or isolation
may be required to completely
de-energize equipment. Contact with
components carrying hazardous voltage
can cause electric shock and may result
in severe personal injury or death.
IMPORTANT: Use copper conductors only. Make
all wiring in accordance with local, national, and
regional regulations.
2 System 450™ Series Control Modules with Analog Outputs Installation Instructions
Analog Output
Signal
FIG:sys450_app_anlg_exmpl
COM
Active/Passive Sensor DIP Switches
AO1 AO2
DIP Switch 1 is Off; switch 2 is ON.
L1
L1 L2 L2
Figure 3: Example System 450 Heat/Cool System with Condenser Fan Speed Control
Table 1: System 450 Analog Output Control Module Terminal Wiring Information
Label Terminal Function Wire Sizes
24V Accepts 24 VAC supply power, when a C450YNN power module is not connected, 0.8 mm2 to 1.5 mm2
and provides power terminal for 24 VAC (humidity) sensors. 28 AWG to 16 AWG
5V Provides 5 VDC power for active sensors.
S1, S2, S3 Accepts passive or active (0-5 VDC) input signals from control sensors.
C Provide low-voltage Common connections for 24 VAC power and passive or active
(Three sensors connected to the 5V, Sn1, Sn2, and Sn3 terminals.
Terminals) Note: The three C terminals are connected internally and can be connected to
ground in the field.
AO1, Provides a self-detecting analog output signal in conjunction with the COM 0.08 mm2 to 1.5 mm2
AO2 terminal; either 0–10 VDC or 4–20 mA. 28 AWG to 16 AWG
COM Provides a self-detecting analog output signal in conjunction with the AO1 or AO2
terminal; either 0–10 VDC or 4–20 mA.
System 450™ Series Control Modules with Analog Outputs Installation Instructions 3
Light-Emitting Diode (LED): Green LEDs
Status or Setup Value: Displays the current on Relay Control Module and Relay
input status, output status or setup parameter Expansion Modules (only) indicates if the
value for the displayed input sensor or output. associated Relay Output is On or Off.
Press or to select a different Parameter
Value when the value is flashing. (100 = 100%.) Output (or Sensor) Number: Displays a
numerical value that identifies the Output
(or Sensor) associated with the Status or
Status or Setup Identifier: Displays the
unit of measurement, output, sensor number,
osp 4 Setup Value shown on the screen. Output
Numbers are automatically determined by
or setup parameter for the displayed Status or the outputs' physical positions (left to right)
Setup Value. (Setup Identifier OSP represents in the module assembly. (4 = Output 4.)
% Output Signal Strength at Setpoint.)
Control Ramp Icon: Displays whether an
Analog Output increases or decreases as
MENU Button: Press M to move through the M the sensor input increases, and whether the
sensor and output setup-start-screens. output signal strength is at minimum or
When moving through the status or setup maximum when the sensed property is at
screens, press M to return to the status start Setpoint. The Control Ramp icon displayed
screen or setup start screen. is determined by the Output's SP, EP, OSP,
and OEP setup values.
UP and DOWN Buttons: Press or to select NEXT Button: In the Main/Default screens,
FIG:sys450cntrl_modul
a different value for any flashing value in the press to scroll through the system status
Setup Value field. In the Main/Default (Sensor screens. In a setup screen, press to save
Status) screen, press and hold both and the (flashing) Setup Value and go to the
for 5 seconds to access the Setup Start screens. next setup screen.
Figure 4: System 450 Control Module Output Analog LEDs, LCD, Four-Button Touch Pad User Interface
Setup and Adjustments Setting up a Control System in User Interface
System 450 Components System 450 control modules have a back-lit LCD and a
four-button touch pad User Interface (UI) that enable
A System 450 control system consists of one control you to set up all of the inputs (sensors) and outputs in
module, one to three control sensors, and one to ten the module assembly (Figure 4).
outputs that provide analog control and/or On/Off
control. Figure 3 shows an example System 450 Figure 7 provides an example System 450 setup
module assembly with two sensors and three outputs overview that corresponds to the control system
(two analog outputs and one relay output). example shown in Figure 3 and the following setup
examples and procedures.
Setting up a Module Assembly
To set up a System 450 module assembly: To set up a control system in the System 450 UI:
1. Determine the controlled conditions, sensor types, 1. Build your control system module assembly and
and value ranges required for your application, and connect it to power. See Setting up a Module
select the appropriate System 450 sensor types. Assembly on page 4.
2. Determine the number and type (relay or analog) of IMPORTANT: Each time a module assembly is
outputs required to control your application, and powered ON, the control module polls all of the
select the appropriate System 450 control module modules to identify output type (relay or analog) and
and expansion modules. assigns a sequential output number (1 to 9 [0 = 10])
3. Assemble the control and expansion modules, to each output starting with the control module
starting with the control module on the left. output on the left. The output numbers identify each
output’s setup screens in the UI. (See Figure 4.)
Note: If you use a C450YNN-1 power module, it
must be plugged into the control module. Plug 2. Access the System 450 setup screens in the UI.
remaining expansion modules to the right of the See Accessing the System 450 Setup Screens on
power module. page 5.
4. Apply power to the module assembly. 3. Set up the control system inputs in the UI. See
Setting up System 450 Sensors on page 5.
You can now set up the module assembly in the control
module UI.
4 System 450™ Series Control Modules with Analog Outputs Installation Instructions
4. Set up the control system outputs in the UI. See Viewing the Main and System Status Screens
Setting up System 450 Outputs on page 7. After your control system is installed, wired, and setup,
the Main (Input Status) screen appears when you
IMPORTANT: Do not change the module positions connect power to your system. During normal
after a System 450 control system is set up in the operation, the Main screen displays the current status
System 450 UI. System 450 control logic is set up in of each input (sensor) in your control system. See
the UI according to the input Sensor Types, the output Table 2 for more information on the Main screens.
types, and the output numbers. Changing modules or
module positions in a module assembly that is The System Status screens can display an output
already set up in the UI, can change the output status screen for each output in your control system
numbers, output types, and/or the setup values of the along with the Input Status screens; in the Main (Input
assembly outputs, which will require setting up the Status) screen, press NEXT repeatedly to scroll
outputs again. through and view all of the Output Status screens in
your control system. See Table 2 for more information
Use the worksheet provided on page 14 to plan and on the System Status screens.
record the settings for your System 450 control system.
Table 2: System 450 Main Screens and Status Screens Information and Procedures
LCD Screen Name, Description/Function, User Action, and Example
Main (Input Status) Screen: During normal operation, the Main screen automatically scrolls through the
232 current status at each input sensor in your control system and displays the sensor number, the unit of
measurement, and the sensed condition value. See Figure 7.
PSI1 Note: Main screens are view-only, selections are not made in Main screens.
Press NEXT repeatedly to scroll through and view the System Status screens for all inputs and
outputs in your control system.
74 Press and hold both UP and DOWN for 5 seconds to access your control system’s setup screens.
F2 Note: In any system setup screen, you can return to the Main Screens by pressing both UP and DOWN
simultaneously. Also, the UI returns to the Main screen after 2 minutes of inactivity in any screen.
Examples show Sensor 1 sensing 232 psi and Sensor 2 sensing 74°F.
System Status Screens: The System Status screens display current status of all inputs and outputs in
On your control system. Relay output status screens display output number and relay status (On/Off). Analog
output status screens display output number, signal strength, and control ramp icon. See Figure 7.
OUT1 Note: System Status screens are view-only, selections are not made in Status screens.
Press NEXT repeatedly to scroll and view the System Status screens for the inputs and outputs in
your control system.
64 Examples show Output 1 relay is On and Output 3 signal strength is 64% of the total signal strength. The
control ramp icon in the bottom screen example indicates that the Analog Output is set up with SP<EP and
OUT3 OSP<OEP. (See Setting up an Analog Output (OUTA#) for information about control ramp icons.)
Accessing the System 450 Setup Screens 3. Press MENU repeatedly to scroll through the setup
You can access the setup screens from the Main start screens. See Figure 7.
screen. To access the System 450 setup screens: Note: The setup start screens are view-only;
1. Apply power to your module assembly. After a selections cannot be made in setup start screens.
startup check, the Main screen appears on the Press NEXT in a Setup Start screen to go to the
LCD. sensor or output setup screens.
2. In the Main screen, press and hold UP and DOWN Setting up System 450 Sensors
simultaneously for 5 seconds to access the setup You must set up the input sensors for your control
screens and to go to the Sensor Setup Start system before you can set up any of outputs. To set up
screen. the input sensors you must access the setup screens.
See Accessing the System 450 Setup Screens.
Note: The Sensor Setup Start screen is the first
screen displayed when you access the System 450 The Sensor Setup Start screen is the first screen
setup screens. From the Sensor Setup Start displayed when you access the system setup screens
screen, you can navigate to all of the remaining in the System 450 UI.
setup screens for your control system.
System 450™ Series Control Modules with Analog Outputs Installation Instructions 5
Table 3 provides information about System 450 Temperature sensors are passive (2-wire) sensors and
sensors, Sensor Types, parameter values, and corresponding switches must be set to ON. Humidity
specified sensor/transducer product code numbers. and pressure transducers are active (3-wire) sensors
and corresponding switches must be set to Off. See
Table 4 provides information, procedures, and
Figure 5 for the switch settings for the System 450
examples regarding Sensor Setup screens and setting
example shown in Figure 3.
up sensors. Figure 7 provides a System 450 UI and
setup overview example.
1 ON Switch 1 sets Sensor S1 (Set to Active/Off)
Setting Active/Passive Sensor DIP Switches
2 Switch 2 sets Sensor S2 (Set to Passive/On)
Before putting your control system into operation, you
sys450_dip
3
must set up each sensor in the system as either Switch 3 sets Sensor S3 (Set to Active/Off)
passive or active by positioning the associated switch (No sensor connected to S3 in Figure 3.)
(On or Off) on the DIP switch block located below the
Figure 5: Active/Passive Sensor DIP Switch
sensor terminal block. See Figure 3.
Block (Set up for Example in Figure 3)
Table 3: System 450 Sensor Types, Setup Values, and Sensor/Transducer Product Codes
Sensor Unit of Measurement Effective Range of Resolution Minimum Sensor Product
Type Value Sensing Usable Increment Differential Type Number1
(Condition/Units) Range Values Value or
Proportional
Band
°F °F (Temperature/degrees) -46 to 255 -40 to 250 1 1 A99B-xxx
°C °C (Temperature/degrees) -43 to 124 -40 to 121 0.5 0.5 A99B-xxx
rH % (Humidity/%RH) 1 to 100 10 to 95 1 2 HE67Sx-x
P 05 INWC (Pressure/in. W.C.) 0 to 0.5 0.025 to 0.5 0.005 0.025 DPT-2650-0R5D-AB
P8 bAR (Pressure/bar) -1 to 8 -1 to 8 0.05 0.1 P499Rxx-401C
P 10 INWC (Pressure/in. W.C.) 0 to 10 0.5 to 10 0.05 0.2 DPT-2650-010D-AB
P 15 bAR (Pressure/bar) -1 to 15 -1 to 15 0.1 0.2 P499Rxx-402C
P 30 bAR (Pressure/bar) 0 to 30 0 to 30 0.1 0.4 P499Rxx-404C
P 50 bAR (Pressure/bar) 0 to 50 0 to 50 0.2 0.4 P499Rxx-405C
P100 PSI (Pressure/psi) 0 to 100 0 to 100 0.5 1 P499Rxx-101C
P200 PSI (Pressure/psi) 0 to 200 0 to 200 1 1 P499Rxx-102C
P500 PSI (Pressure/psi) 0 to 500 90 to 500 1 5 P499Rxx-105C
P750 PSI (Pressure/psi) 0 to 750 150 to 750 2 6 P499Rxx-107C
1. Refer to the System 450 Series Modular Controls Product Bulletin (LIT-12011458), Catalog Page (LIT-1900549), or
Technical Bulletin (LIT-12011459) for complete ordering information for System 450 compatible sensors and transducers.
Table 4: System 450 Sensor Setup Information and Procedures
LCD Screen Name, Description/Function, User Action, and Example
Sensor Setup Start Screen: The Sensor Setup Start screen is the first screen displayed when you
-- - access the System 450 setup screens. From the Sensor Setup Start screen you can navigate to the
Output Setup Start screens or the Sensor Setup screens. See Figure 7.
SENS Note: You must setup the input sensors before you can setup the control system outputs. The Sensor
Setup Start screen is view-only, selections are not made in setup start screens.
Press MENU (repeatedly) to scroll through the Output Setup Start screens. (See Setting up a
Relay Output (OUTR#) and Setting up an Analog Output (OUTA#) for information and procedures on
setting up outputs.)
1. Press NEXT to go to the first Sensor Type Selection screen (Sn-1) and begin setting up the
sensors in your control system.
Example shows the Sensors Setup Start screen with four flashing dashes.
6 System 450™ Series Control Modules with Analog Outputs Installation Instructions
Table 4: System 450 Sensor Setup Information and Procedures (Continued)
LCD Screen Name, Description/Function, User Action, and Example
Sensor Type Selection Screens: The Sensor Type you select for an input sensor automatically
P500 determines the setup parameters and values for each output that is set up to reference that sensor. See
Table 3 for information about System 450 sensors/transducers, Sensor Types, condition type, units of
Sn-1 measurement, minimum differential or proportional band, setup values, value ranges, and product code
numbers.
Note: For an output to operate properly, the selected Sensor Type must match the sensor/transducer
°F
model wired to the control module, and the sensor/transducer must be wired to the proper control module
input terminals.
Sn-2 2. In the Sn-1 Sensor Type Selection screen, press UP or DOWN to select the desired Sensor
Type. Press NEXT to save your selection and go to the Sn-2 Sensor Type Selection screen.
3. In the Sn-2 Sensor Type Selection screen, press UP or DOWN to select the desired Sensor
-- Type. Press NEXT to save your selection and go to the Sn-3 Sensor Type Selection screen.
Note: If your control system does not use three input sensors, simply press NEXT while the two dashes
Sn-3 are flashing in a Sensor Type Selection screen to save no Sensor Type and go to the next setup screen.
4. In the Sn-3 Sensor Type Selection screen, press UP or DOWN to select the desired Sensor
Type. Press NEXT to save your selection and either:
• go to the Temperature Offset Setup screen for the first temperature sensor in your system.
• return to the Sensor Setup-Start Screen, if your control system has no temperature sensors.
Examples show Sensor 1 with the P500 Sensor Type selected; Sensor 2, with the °F Sensor Type
selected; and Sensor 3, with the no Sensor Type selected.
Temperature Offset Selection Screens: Select a temperature offset for the temperature inputs (only) in
-3 your control system.
Sensor Type °F enables an offset of +/- 5°F in 1 degree increments.
OFFS2 Sensor Type °C enables an offset of +/- 2.5°C in 0.5 degree increments.
Note: The temperature offset changes the displayed temperature value by the selected offset value.
5. Press UP or DOWN to select the desired temperature offset value. Press NEXT:
• to go to the next Temperature Offset Selection screen and repeat this step (if required).
• to return to the Sensors Setup-Start Screen.
Example shows -3 (flashing) is the selected temperature offset value for Sensor 2, thus a sensed
temperature of 75°F at Sensor 2 is displayed as 72°F.
Sensors Setup Start Screen: The Sensor Setup screens return to the Sensor Setup Start screen.
-- - After the sensors are set up for your control system, you can:
• Press MENU to scroll through the Output Setup Start screens and begin setting up your
SENS system outputs. (See Setting up a Relay Output (OUTR#) and Setting up an Analog Output (OUTA#)
for more information and procedures.)
• Press UP and DOWN simultaneously and hold for 5 seconds to return to the Main screens.
Example shows Input Sensors Setup-Start screen with four flashing dashes.
Setting up System 450 Outputs 2. In the Sensor Setup Start screen (SENS), press
After you build and connect power to your control MENU repeatedly to scroll through and select the
system module assembly, the output numbers and desired Output Setup Start screen. The Output
output types for your control system are automatically Setup Start screen indicates the output number
assigned in the UI. and the output type for the selected output.
Note: You must set up the input sensors for your For Relay Outputs, see Setting up a Relay Output
control system before you can set up the outputs. (OUTR#) and Table 5 for setup information and
procedures.
To set up System 450 outputs in the UI:
For Analog Outputs, see Setting up an Analog Output
1. Access the System 450 setup screens, the Sensor (OUTA#) and Table 7 for setup information and
Setup Start screen (SENS) appears. (See procedures.
Accessing the System 450 Setup Screens.)
System 450™ Series Control Modules with Analog Outputs Installation Instructions 7
Setting up a Relay Output (OUTR#)
Relay outputs provide On/Off control for the equipment
in your application based on input from the sensor the
output is set up to reference. See Table 5 for relay
output setup information and procedures.
Table 5: System 450 Relay Output Setup Screen Information, and User Actions
LCD Screen Name, Description/Function, User Action, and Example
Relay Output Setup Start Screen: Output number and the output type (relay or analog) are
-- - automatically assigned when you connect power to your control system’s module assembly.
Note: You must set up the system’s sensors before you can set up the outputs.
OUTR1 1. Press NEXT to go to this output’s Sensor Selection screen.
Example shows the Relay Output Setup-Start screen for Output 1.
Sensor Selection Screen: The sensor you select here determines this output’s setup parameters and
--
values, including condition type, unit of measurement, minimum differential, default setup values, and
setup value ranges for several of the remaining output setup screens. If a sensor is not selected here, this
SENS output’s remaining setup screens do not appear. If a sensor is already selected for this output, the Sensor
Selection screen does not appear here, instead the Relay ON Selection screen appears.
Note: You must select a sensor in this Sensor Selection screen and the selected sensor must be already
Sn-2 set up in the System 450 UI. (See Setting up System 450 Sensors.)
2. Press UP or DOWN to select the Sensor (Sn-1, Sn-2, or Sn-3) that this output references. Press
SENS NEXT to save your sensor selection and go to the Relay ON Selection Screen.
Example shows input Sensor 2 selected for Output 1.
Relay ON Selection Screen: Select the value at which the relay turns On. Relay ON is defined as relay
78
LED On/Lit, relay contacts NO to C are closed, and NC to C contacts are open.
Note: The value ranges and minimum differential are determined by the Sensor Type selected for the
ON 1 sensor that this output references and are enforced in the Relay ON and Relay OFF Selection screens.
3. Press UP or DOWN to select the value at which the output relay turns On. Press NEXT to save
your selection and go to Relay OFF Selection Screen.
Example shows an ON value of 78 (°F) selected for Relay Output 1.
Relay OFF Selection Screen: Select the value at which the relay turns Off. Relay OFF is defined as
relay LED Off, relay contacts NC to C are closed, and NO to C contacts are open.
Note: The value ranges and minimum differential are determined by the Sensor Type selected for the
OFF 1 sensor that this output references and are enforced in the Relay ON and Relay OFF Selection screens.
4. Press UP or DOWN to select the value at which output relay turns Off. Press NEXT to save
your selection and go to Minimum Relay ON TIme Selection Screen.
Example shows an OFF value of 75 (°F) selected for Relay Output 1.
Minimum Relay ON Time Selection Screen: Minimum ON Time range is 0 to 300 seconds.
0 5. Press UP or DOWN to select the minimum time that the output relay remains On after reaching
the Relay ON value. Press NEXT to save your selection and go to the Minimum Relay OFF Time
ONT 1
Selection Screen.
Example shows 0 (zero) seconds selected for the minimum ON-Time for Output 1.
Minimum Relay OFF Time Selection Screen: Minimum OFF Time range is 0 to 300 seconds.
120 6. Press UP or DOWN to select the minimum time that this output relay remains Off after reaching
the Relay OFF value. Press NEXT to save your selection and go to the Sensor Failure Mode
OFFT1 Selection screen.
Example shows 120 seconds selected for the minimum OFF-Time for Output 1.
Sensor Failure Mode Selection Screen: Select this output’s mode of operation if the referenced sensor
OFF
or sensor wiring fails. The output operates in the selected mode until the failure is remedied.
Sensor Failure mode selections for Relay Outputs include:
SNF1 • ON output relay remains On during sensor failure.
• OFF output relay remains Off during sensor failure.
7. Press UP or DOWN to select this output mode of operation if the sensor or sensor wiring fails.
Press NEXT to save your sensor failure mode selection and go to the Edit Sensor Screen.
Example shows OFF sensor failure mode selected for Output 1. This output relay is Off if the referenced
sensor or sensor wiring fails.
8 System 450™ Series Control Modules with Analog Outputs Installation Instructions
Table 5: System 450 Relay Output Setup Screen Information, and User Actions (Continued)
LCD Screen Name, Description/Function, User Action, and Example
Edit Sensor Screen: This screen displays the sensor that this output currently references. Typically, no
Sn-2
action is taken in this screen. But if you need to change the sensor that this output references, you can
select a different sensor for this output in this screen.
SENS Note: Changing the sensor that an output references to a sensor with a different Sensor Type changes
the default setup values for the output, and requires setting up the output again.
8. To change this output’s sensor, Press UP or DOWN to select the sensor that this output will
reference. After you select a different sensor for this output, press NEXT to return to the Relay
ON Selection screen (Step 3 above) and repeat the output relay setup procedure for this output
and the new Sensor Type values associated with the new sensor selection.
If you do not need to change this output’s sensor, simply press NEXT to save the current
sensor selection and return to the Relay Output Setup Start screen.
This Relay Output is now set up in the System 450 UI.
Example shows input Sensor 2 selected for Output 1 (Output 1 references Sensor 2).
Relay Output Setup Start Screen
-- - After you have set up this Relay Output, you can go to another Output Setup Start screen, the Sensor
Setup Start screen, or return to the Main screens.
OUTR1 9. Press MENU to scroll through the remaining Output Setup Start screens and return to the
Sensor Setup Start screen, or press UP and DOWN simultaneously and hold for 5 seconds to
return to the System 450 Main screens.
Example shows the Relay Output Setup-Start screen for Output 1.
Setting up an Analog Output (OUTA#) Table 6 shows the four Control Ramp icons and the
Analog outputs provide an auto-selecting analog signal associated analog output setup value relationships.
that is proportional to the sensed input condition. The Table 6: Analog Output Control Ramp Icons
analog output circuit senses the impedance and
Control Ramp Analog Output Signal
automatically selects 0-10 VDC or 4-20 mA operation.
Displayed on Output Value Strength at
The control action between the input signal and the LCD Relationships Setpoint
output signal can be set up four different ways, SP < EP Minimum
depending on the values selected for the Setpoint (SP),
End Point (EP), %Output Signal Strength at Setpoint OSP < OEP
(OSP), and %Output Signal Strength at End Point
(OEP). The LCD displays different Control Ramp icons SP > EP Minimum
for the four control actions.
OSP < OEP
Figure 6 shows an example of the analog output setup
SP > EP Maximum
values and the resulting output signal in a typical space
heating application (SP > EP and OSP < OEP).
OSP > OEP
Proportional SP < EP Maximum
Band
100% OEP
SP > EP OSP > OEP
System Output
EP SP = 70 (°F)
EP = 65 (°F)
OSP < OEP
See Table 7 for analog output setup information and
procedures.
Fig:sys450_cntrl_rmp_exmpl
SP OSP = 10 (%)
OEP = 100 (%)
10% OSP
0%
65°F 70°F
Less Condition Value Greater
Figure 6: Control Ramp Example for a Typical
Heating Application (SP > EP and OSP < OEP)
System 450™ Series Control Modules with Analog Outputs Installation Instructions 9
Table 7: System 450 Analog Output Setup Screens Information (Part 1 of 2)
LCD Screen Name, Description/Function, User Action, Example
Analog Output Setup Start Screen: Output number and the output type (relay or analog) are
-- - automatically assigned when you connect power to your control system’s module assembly.
Note: You must set up the system’s sensors before you can set up the outputs.
OUTA3 1. Press NEXT to go to this output’s Sensor Selection screen.
Example shows the Analog Output Setup-Start screen for Output 3.
Sensor Selection Screen: The Sensor you select here determines this output’s setup parameters and
Sn-1
values, including condition type, unit of measurement, minimum proportional band, default setup values,
and setup value ranges for several of the remaining output setup screens. If a sensor is not selected here,
SENS3 this output’s remaining setup screens do not appear. If a sensor is already selected for this output, the
Sensor Selection screen does not appear here, instead the Setpoint Selection screen appears.
Note: You must select a sensor in this Sensor Selection screen and the selected sensor must be already
set up in the System 450 UI. (See Setting up System 450 Sensors.)
2. Press UP or DOWN to select the Sensor (Sn-1, Sn-2, or Sn-3) that this output references. Press
NEXT to save your sensor selection and go to the Setpoint Selection screen.
Example shows input Sensor 1 (Sn-1) selected for Output 3.
Setpoint Selection Screen: Setpoint is the target value that the controlled system drives towards and
200
along with End Point, defines this output’s proportional band.
Note: An output’s minimum proportional band (between Setpoint and End Point) is automatically
SP3 enforced in the output’s Setpoint and End Point Selection screens.
3. Press UP or DOWN to select this output’s Setpoint value. Press NEXT to save your Setpoint
value selection and go to the End Point Selection screen.
Example shows a Setpoint of 200 (psi) selected for Output 3.
End Point Selection Screen: End Point is the (condition) value that the controlled system drives away
250
from (towards Setpoint) and, along with Setpoint, defines this output’s proportional band.
Note: An output’s proportional band (between Setpoint and End Point) is automatically enforced in the
EP3 output’s Setpoint and End Point Selection screens.
4. Press UP or DOWN to select this output’s End Point value. Press NEXT to save your End Point
value selection and go to the %Output Signal Strength at Setpoint Selection screen.
Example shows a End Point of 250 (psi) selected for Output 3.
Output Signal Strength at Setpoint Selection Screen: Select the strength of the signal that this output
10
generates when the sensed condition is at the Setpoint value. The signal strength range is 0 to 100 (%).
5. Press UP or DOWN to select this output’s %Output Signal Strength at Setpoint value. Press
OSP3 NEXT to save your selection and go to the %Output Signal Strength at End Point Selection
screen.
Example shows Analog Output 3 is setup to generate 10% of the total signal strength when the input is at
the Setpoint value (= 1 V or 5.6 mA).
Output Signal Strength at End Point Selection Screen: Select the strength of the signal that this output
90
generates when the sensed condition is at the End Point value. The signal strength range is
0 to 100 (%).
OEP3 6. Press UP or DOWN to select this output’s %Output Signal Strength at End Point value. Press
NEXT to save your selection and go to the Integration Constant Selection screen.
Example shows Output 3 is set up to generate 90% of the total signal strength when the input is at the End
Point value (= 9 V or 18.4 mA).
Integration Constant Selection Screen: An integration constant allows you to set up proportional plus
0
integral control for this analog output. proportional plus integral control can drive the load closer to
Setpoint than proportional only control.
I-C 3
Note: Initially, you should select the I-C value of 0 (zero) for no integration constant. Refer to the System
450 Series Technical Bulletin (LIT-12011459) for more information on proportional plus integral control
and setting an integration constant in the System 450 UI.
7. Press UP or DOWN to select this output’s Integration Constant for proportional plus integral
control. Press NEXT to save your selection and go to the Sensor Failure Mode Selection
screen.
Example shows an Integration Constant of 0 (zero) selected for Output 3.
10 System 450™ Series Control Modules with Analog Outputs Installation Instructions
Table 7: System 450 Analog Output Setup Screens Information (Part 2 of 2)
LCD Screen Name, Description/Function, User Action, Example
Sensor Failure Mode Selection Screen:
OFF 8. Press UP or DOWN to select this output’s mode of operation if the sensor or sensor wiring
fails. Press NEXT to save your selection and go to the Edit Sensor Selection screen.
SNF3 You can select this output’s mode of operation in the event of a sensor or sensor wiring failure. The output
operates in the selected mode until the failure is fixed. Sensor Failure Mode selections for Analog Outputs
include:
• ON - output generates maximum signal strength during sensor failure.
• OFF- output generates minimum signal strength during sensor failure.
Example shows the OFF Sensor Failure Mode selected for Output 3.
Edit Sensor Selection Screen: Press Up or Down to change the sensor that this output references (only
if required), then press Next to go to this output’s setup start screen.
Sn-1 Note: Changing the sensor that an output references to a sensor with a different Sensor Type changes
SENS 3 the default setup values for the output, and requires setting up the output again.
Example shows input Sensor 1 selected for Output 3.
Technical Specifications
C450CxN-1 (Part 1 of 2)
Product C450CxN-1: System 450 Control Module models are sensing controls and operating
controls with LCD, four-button touch pad, and analog output.
C450CPN-1: Control Module with One Analog Output
C450CQN-1: Control Module with Two Analog Outputs
Supply Power C450YNN-1 Power Supply Module or
24 (20-30) VAC Safety Extra-Low Voltage (SELV) (Europe) Class 2 (North America)
50/60 Hz, 10 VA minimum
Ambient Operating Conditions Temperature: -40 to 66°C (-40 to 150°F) when using 0-10 VDC outputs;
-40 to 40°C (-40 to 104°F) when using 4-20 mA outputs
Humidity: Up to 95% RH noncondensing; Maximum Dew Point 29°C (85°F)
Ambient Shipping and Storage Temperature: -40 to 80°C (-40 to 176°F)
Conditions Humidity: Up to 95% RH noncondensing; Maximum Dew Point 29°C (85°F)
Input Signal 0-5 VDC; 1035 ohms at 25°C (77°F) for an A99 PTC Temperature Sensor
Analog Output Voltage Mode (0–10 VDC):
10 VDC maximum output voltage
10 mA maximum output current
Requires an external load of 1,000 ohm or more
Note: The AO operates in Voltage Mode when connected to devices with
impedances greater than 1,000 ohm. Devices that drop below 1,000 ohm may not
operate as intended for Voltage Mode applications.
Current Mode (4–20 mA):
Requires an external load between 0–300 ohm
Note: The AO operates in Current Mode when connected to devices with
impedances greater than 1,000 ohm. Devices that drop below 1,000 ohm may not
operate as intended for Current Mode applications.
Analog Input Accuracy Resolution: 14 bit
Control Construction Independently-mounted control, surface mounted with Lexan® 950 enclosure suitable
for DIN rail mounting or direct mounting to a hard, even surface.
Dimensions (H x W x D) 127 x 61 x 61 mm (5 x 2-3/8 x 2-3/8 in.)
Weight C450CPN-1: 195 g (0.43 lb)
C450CQN-1: 195 g (0.43 lb)
System 450™ Series Control Modules with Analog Outputs Installation Instructions 11
C450CxN-1 (Part 2 of 2)
Compliance North America: cULus Listed; UL 60730, File E27734, Vol. 1; FCC Compliant to
CFR47, Part 15, Subpart B, Class B
Industry Canada (IC) Compliant to Canadian ICES-003, Class B limits
Europe: Mark: CE Compliant; Low Voltage Directive (2006/95/EC); EMC Directive
(2004/108/EC); RoHS Directive (2002/95/EC); WEEE Directive (2002/96/EC)
Australia: Mark: C-Tick Compliant (N1813)
The performance specifications are nominal and conform to acceptable industry standards. For application at conditions beyond these
specifications, consult Johnson Controls Application Engineering at (414) 524-5535. Johnson Controls, Inc. shall not be liable for damages
resulting from misapplication or misuse of its products.
United States Emissions Compliance
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These
limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses
and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to
radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause
harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try
to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
Canadian Emissions Compliance
This Class (B) digital apparatus meets all the requirements of the Canadian Interference-Causing Equipment Regulations.
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