| Вид документа | Бюлетень виробу |
|---|---|
| Виробник | JCI |
| Код документа | ms-series-multi-stage-electronic-control |
| Група обладнання | MS2 Multi‐Stage Temperature Controller |
| Сторінок | 12 |
| Мова документа | англійська |
| Розмір файлу | 0.3 МБ |
Текст документа
Master Catalog 125
Pressure Controls Section P
Product Bulletin MS
Issue Date 0618
MS Series Multi-Stage Electronic Controls
The MS Series Controls are versatile, microprocessor-
based, multifunction, programmable controls for
humidity, pressure, or other applications that can
provide a 0-10 VDC input. They are designed for
single and multiple stage control applications.
Depending on the model selected, the MS Series
Control can operate in one of several modes:
Direct mode
Reverse mode
Deadband mode
Independent Setpoint mode
The MS Series Controls have large, easy-to-read,
red Light-Emitting Diode (LED) displays. These
compact controls are available in Panel Mount and Figure 1: MS2 Panel Mount and DIN Rail Mount
DIN Rail Mount models. They use 0-10 VDC Multi-Stage Electronic Controls
transducers and powered sensors.
Features and Benefits
Programmable Functions Allows adjustment of control settings to meet
application needs
Alarm Management Provides visible alarm codes on the display
Functions
Easily Readable LED Displays status and functions quickly and
Display clearly
Programming Button Allows user to disable programming buttons
Lockout and deter accidental or unauthorized changes
Self-Test Procedure Checks control operation by cycling all
outputs and testing all LEDs
© 2018 Johnson Controls 1
Code No. LIT-125502
O verview
IMPORTANT: All MS Series Controls are
designed for use only as Mode Selection
operating controls. Where an Mode Selection allows selection of one of several
operating control failure would modes, depending on the model:
result in personal injury or loss of
property, it is the responsibility of Direct mode for applications requiring
the installer to add devices dehumidification or closing a circuit on a rise in
(safety, limit controls) or systems input voltage
(alarm, supervisory systems) that
Reverse mode for applications requiring
protect against, or warn of,
humidification or closing a circuit on a drop in input
control failure.
voltage
Refer to a specific model’s installation bulletin for the Deadband mode for applications requiring both
necessary information on installation, use, and Direct and Reverse modes with a common
servicing. setpoint and deadband
Table 1: Typical Applications Independent Setpoint mode for applications
MS1 MS2 Application requiring both Direct and Reverse modes with an
independent setpoint for each mode
Rooftop humidifying and
dehumidifying units
Stage Control Functions
Boiler pressure or pump control
Adjustable Setpoint Stops restrict setpoint
Space humidity control adjustment to avoid extreme settings. The setpoint
Pressure-based compressor cannot be changed to a value outside of these stops.
pump-down control Soft Start controls the rate at which the measured
Pressure-based condenser fan condition approaches the setpoint on power up, both
initially and when the binary input is configured as a
cycling
remote shutoff.
Suction pressure control for small
Anti-short Cycle Delay avoids situations where the
refrigeration rack controllers
equipment starts, stops, and restarts in a short period
Compressor or chiller staging based of time. This feature determines the minimum time
between two subsequent On cycles of the equipment.
on pressure
Humidity control for ripening rooms
Binary Input Functions
The MS2 controls are equipped with a binary input that
can perform one of the following functions:
Shutoff and Alarm Signaling: When the binary
input is open for a time longer than the binary input
time delay, all outputs are shut off and an alarm
message is displayed. Restart does not use the
soft start function.
Setback: When the binary input is open, the
setpoints are shifted by a preset value in order to
save energy.
Remote Shutoff: When the binary input is open for
a time longer than the binary input time delay, all
outputs are shut off and an alarm message is
displayed. Restart uses the soft start function.
2 MS Series Product Bulletin
D imensions
Alarm Management Functions 2 11/16
(68)
High and Low Condition Alarms have setpoints
relative to the main setpoint. If the condition reaches or 1 1/8 1 3/8
exceeds the alarm values for a time longer than the (28) (35)
alarm time delay, the display flashes a specific alarm
message. On the MS1, an alarm output circuit is 2 5/16
energized. The MS2 has no alarm output. Alarms are (58)
disabled for 20 minutes after startup in addition to the
alarm time delay.
Alarm Time Delay is used to avoid short-duration 2 3/4
events triggering the alarm. (70) 3
(75)
Alarm Differential can be set to keep the alarm from
cycling rapidly on and off.
Sensor Failure is indicated by an alarm message on
the display.
Alarm codes are displayed by the LEDs and are used Figure 2: Panel Mount Control, in. (mm)
to help troubleshoot errors. Alarm codes exist for these
conditions: 2 3/4 2 1/8
(70)
sensor failure (52.5)
high condition alarm
low condition alarm
program failure
binary input codes 13 11
1 4
16 16
(45)
(118)
Self-Test Procedure
The self-test procedure allows the user to verify that
the LEDs and outputs of an MS control are operating
correctly before the control is put into service.
Additional Features Figure 3: DIN Rail Mount Control in. (mm)
Programming Button Lockout allows the
programming buttons to be deactivated, which deters
accidental or unauthorized modifications to the
settings.
Display Updating Time provides an adjustable
refresh rate to avoid displaying short duration
fluctuations .
MS Series Product Bulletin 3
M odes of Operation
Display The MS1 Series Control performs condition (pressure,
humidity, etc.) management and alarm management
The display has two 7-segment LEDs and a minus (-) for single-stage applications. It operates in either
indication to display conditions from -40 to 99. Direct or Reverse modes.
Two individual stage status LEDs display the relay
status. The MS2 Series Control performs condition
management for 2-stage applications. In addition to
LED indicates Relay Output 1 is energized. the MS1 modes, it has Deadband and Independent
LED indicates Relay Output 2 is energized. Setpoint modes for applications that require both direct
and reverse modes.
The MS1 has one stage status LED. The MS2 has
two stage status LEDs. Table 2: Modes of Operation
S
ta
geS
tatu
sLE
Ds MS1 MS2 Modes of Operation
U
p Direct
B
ut
ton
Reverse
E
nt
e r
D
own
B
ut
ton Deadband
B
ut
ton
Independent Setpoint
Figure 4: Panel Mount Front Panel and Display
The illustrations on the following pages show the
S
tag
eSta
tusL
EDs
modes that each MS Series Control is capable of
using.
U
pBu
tto
n
D
ownB
utto
n
Figure 5: DIN Rail Mount Front Panel and Display
4 MS Series Product Bulletin
Direct Mode Reverse Mode
Measured Condition Measured Condition
Interstage
Time
Delay
Off Setpoint
On
Setpoint 2
Stage 1 Differential (Offset from
Setpoint)
Stage 2 Differential 2
Off
On
On
Off
Setpoint 2 Stage 2 Differential 2
Stage 1 (Offset from
Differential Setpoint)
On
Off Setpoint
Interstage
Time Time
Delay
Figure 6: Direct Mode Time
Direct mode is used with humidity sensors for Figure 7: Reverse Mode
applications requiring dehumidification. This mode
may also be used with other sensors for closing a Reverse mode is used with humidity sensors for
circuit on rise in pressure (or input voltage). applications requiring humidification. This mode may
The MS1 has one stage. The MS2 has two stages. also be used with other sensors for closing a circuit on
Stages may overlap or have space between them. drop in pressure (or input voltage).
Setpoint is the desired pressure or humidity The MS1 has one stage. The MS2 has two stages.
(or voltage level) programmed by the user. Stages may overlap or have space between them.
Differential is the operational range of Stage 1. Setpoint is the desired pressure or humidity
(or voltage level) programmed by the user.
Setpoint 2 is the offset from setpoint that activates
Stage 2. Differential is the operational range of Stage 1.
Differential 2 is the operational range of Stage 2. Setpoint 2 is the offset from setpoint that activates
Stage 2.
Interstage Time Delay is the minimum amount of time
between two successive stages when multiple stages Differential 2 is the operational range of Stage 2.
are called for in rapid sequence. Interstage Time Delay is the minimum amount of time
between two successive stages when multiple stages
are called for in rapid sequence.
MS Series Product Bulletin 5
Deadband Mode (MS2 only) Independent Setpoint Mode (MS2 only)
Measured Condition Measured Condition
On
On
Stage 2 Differential 2
Stage 2 Differential 2
Off Off Setpoint 2
Setpoint Setpoint 2
(Deadband)
Off
Off Setpoint
Stage 1 Differential Differential
Stage 1
On On
Time
Time
Figure 8: Deadband Mode
Figure 9: Independent Setpoint Mode
Deadband mode may be used with humidity sensors
for applications requiring dehumidification and
humidification. It may be used with other sensors for Independent Setpoint mode may be used with
closing circuits on pressure (or input voltage) rise and humidity sensors for applications requiring
on pressure (or input voltage) drop. dehumidification and humidification. This mode may
be used with other sensors for closing circuits on
Setpoint is the desired pressure or humidity pressure (or input voltage) rise and on pressure
(or voltage level) programmed by the user. (or input voltage) drop.
Differential is the operational range of Stage 1. Setpoint is the desired pressure or humidity (or
voltage level) programmed by the user. It is the basis
Setpoint 2 is width of the deadband, which is centered
for the reverse stage.
on setpoint.
Differential is the operational range of Stage 1.
Differential 2 is the operational range of Stage 2.
Setpoint 2 the desired pressure or humidity
programmed by the user. It is the basis for the direct
stage.
Differential 2 is the operational range of Stage 2.
6 MS Series Product Bulletin
F unction Definitions
The MS Series Controls include a variety of condition Anti-short Cycle Timer, Reverse establishes the
(pressure, humidity, etc.) management functions, minimum time in minutes between two subsequent On
which are listed below. Not all of these functions are cycles of Reverse stages.
available on every model.
Refer to Table 3 for functions and setting ranges for Load Demand
specific models.
Output Status
Control Function Management Anti-short Cycle
Timer
Setpoint is the primary control point programmed by
the user.
Figure 10: Anti-short Cycle Timer
Setpoint 2 depends on the mode used. For
information on function in each mode, see Modes of Interstage Time Delay is the minimum amount of time
Operation. between two successive stages when multiple stages
Differentials (or hysteresis) establish the difference are called for in rapid sequence.
between the value at which the output is switched Off Soft Start controls the rate at which the process
and the value at which the output is switched On. For condition is allowed to approach the setpoint on
further information, see Modes of Operation. power up, both initially and when the binary input is
Example: In Direct mode, with the setpoint at 40 units, configured as remote shutoff. The setting is
and the differential at 4 units, the load is switched On minutes/unit.
when the measured condition goes above 44 units, Humidification Example:
and is turned Off when the condition decreases to
below 40 units. Sensor reading = 20%
Setpoint = 30%
High and Low Setpoint Stops are values that define Soft start = 2 minutes
how high and low the primary setpoint may be
adjusted. Setpoint stops deter unauthorized or Rate of Increase =
accidental overadjustment of setpoint. Soft start x (setpoint – sensor reading)
Anti-short Cycle Timer, Direct establishes the Process setpoint increases 1% every two minutes.
minimum time in minutes between two subsequent On To go from 20% to 30% takes 20 minutes.
cycles of Direct stages. Sensor Offset allows the user to compensate for
differences between actual and displayed condition,
such as those experienced when the location of the
sensor results in inaccurate readings.
Low Range Analog Input defines the value of the
lower control limit when the sensor input is at 0 VDC.
High Range Analog Input defines the value of the
upper control limit when the sensor input is at 10 VDC.
Display Refresh Rate establishes the time delay
(seconds) between updates of the display.
MS Series Product Bulletin 7
Alarm Management Binary Input
High Alarm establishes the condition value relative to Binary Input Function allows the user to select how
setpoint at which the control goes into a high condition the contacts of the binary input will activate the alarm.
alarm state. The user can select to disengage this function or set
one of three actions:
Example: If setpoint is 40 and high alarm is 15, the
alarm message will be displayed at 55. Shutoff and Alarm Signaling - If the binary input
contact is open for a time longer than that set
Low Alarm establishes the condition relative to
through the binary input time delay, the outputs
setpoint (units) at which the control goes into a low
are switched Off, an alarm message (A1) is
condition alarm state.
displayed.
Example: If setpoint is 40 and low alarm is -10, an
alarm message will be displayed at 30. Setback - If the binary input contact is open for a
time longer than that set through binary input
Alarm Differential establishes the difference between time delay, the setpoints are shifted by setback.
the measured condition at which the alarm is activated Reverse setpoints decrease. Direct setpoints
and the condition at which the alarm is deactivated. On increase.
the MS1, an alarm activation triggers an external alarm
and displays an alarm message. On the MS2, an Remote Shutoff of the outputs- If the binary input
alarm message is displayed. contact is open for a time longer than that set
through the binary input time delay, the outputs
Example (dehumidifying): are switched Off.
Setpoint = 40%, If a set of stage control contacts are used to control an
High Alarm = 15% external alarm, this function should be disabled.
Alarm Differential = 2%.
Binary Input Time Delay establishes the time delay
When the measured condition exceeds 55% for a time (minutes) between binary signal reaching the control
greater than the alarm time delay setting, the alarm and control’s response to the binary signal.
message is displayed; however, it will not reset until
the condition drops below 53%. Setback determines the value of the Setpoint shift
when the binary input is open and the binary input
Alarm Time Delay establishes the time delay function is set at setback.
(minutes) between reaching an alarm condition
(high or low) and activating the alarm. This function
reduces nuisance alarms caused by transient changes
that temporarily exceed alarm setpoints. Conditions
that would cause an alarm are disregarded during the
first 20 minutes after power up.
8 MS Series Product Bulletin
Table 3: Functions and Settings
MS1 MS2 Setting Setting Range
D = Direct
R = Reverse
Mode Selection
B = Deadband (Direct and Reverse)
I = Independent Setpoint (Direct and Reverse)
Setpoint 0 to 99
Differential 1 1 to 9
D, R modes 1 to 40
Setpoint 2 B mode 2 to 40
I mode Low to High Setpoint Stop
Differential 2 1 to 9
Low Setpoint Stop 0 to High Setpoint Stop
High Setpoint Stop Low Setpoint Stop to 99
Interstage Time Delay 3 to 99 seconds
Anti-Short Cycle Timer, Direct 0 to 9 minutes
Anti-Short Cycle Timer, Reverse 0 to 9 minutes
Soft Start 0 to 99 minutes/(1% or 1 psi)
Low Range Analog Input -40 to High Range Analog Input
High Range Analog Input Low Range Analog Input to 100
Sensor Offset -20 to +20
Display Refresh Rate 1 to 99 seconds
High Condition Alarm 0 to 50 above Setpoint
Low Condition Alarm -50 to 0 below Setpoint
Alarm Differential 1 to 9
Alarm Time Delay 0 to 99 minutes
Binary Input Function 0 = No binary input
1 = Shutoff and alarm signaling
2 = Setback
3 = Remote shutoff
Setback 0 to 20
Binary Input Time Delay 0 to 99 minutes
MS Series Product Bulletin 9
M S1 – One Stage Electronic Control
The MS1 control is designed for 1-stage control Modes of Operation
applications This model can use the P99V pressure
Direct
transducers or the HE-6300 or HE-6310 humidity
sensors. Other 0-10 VDC output transducers can Reverse
also be used. All sensors or transducers are sold
separately.
Pressure/Humidity Management Settings
Alarm
Sensor
Sensor + Setpoint
Common -
V0 S1 SC A+ A- Differential (Hysteresis)
Low Setpoint Stop
Internal
to Control High Setpoint Stop
V1 V2 C1 Anti-short Cycle Timer
Terminal
Not Used Soft Start
Power Stage
Supply Display Refresh Rate
Refer to Rating Table for more information.
Figure 11: MS1 DIN Rail Mount Wiring Alarm Management Settings
High Condition Alarm
Table 4: Rating Table
Low Condition Alarm
Rating Category 120 240 24
VAC VAC VDC Alarm Differential
Horsepower
Alarm Time Delay
1/4 1/2 -
Full Load Amperes 5.8 4.9 - Table 5: Ordering Information
Locked Rotor 34.8 29.4 - Product Code Description
Amperes Number
Inductive (non-motor) 8 8 8 MS1DR24V-11C MS1 DIN Rail Mount Control;
Amperes shipping weight 0.62 lb (280 g)
Pilot Duty VA 275 450 - P99V-1C Pressure transducer
Alarm circuit is rated at 40 VDC, 100 mA maximum. HE-6300 Humidity sensor, wall mount
Alarm requires additional power source. HE-6310 Humidity sensor, direct mount
Power supply is 24 VAC.
Terminal VO output is 12-17 VDC.
10 MS Series Product Bulletin
M S2 – Two Stage Electronic Control
The MS2 control is designed for 2-stage control Modes of Operation
applications. These models can use the P99V
pressure transducers or the HE-6300 or HE-6310 Direct
humidity sensors. Other 0-10 VDC output Reverse
transducers can also be used. All sensors or
transducers are sold separately. Deadband (Direct and Reverse)
Binary Independent Setpoint (Direct and Reverse)
Sensor Sensor Common Common
Binary Input
Stage
Condition Management Settings
+
VO S1 SC D CD C2 Multiple Setpoints
Internal Multiple Differentials (Hysteresis)
to Control
V1 V2 C1 Low Setpoint Stop
Terminal
Not Used High Setpoint Stop
Power Supply Stage
Refer to Rating Table for more information. Interstage Time Delay
Anti-short Cycle Timers
Figure 12: MS2 DIN Rail Mount Wiring
Soft Start
Refer to Rating Table for more information.
Display Refresh Rate
Internal to Control
C1 C2 V1 V2 D SC VO
Alarm Management Settings
+ High Condition Alarm
Stage Stage Power
Supply Low Condition Alarm
Terminal Binary /
Not Used Binary Input Sensor
Sensor Alarm Differential
Common
Alarm Time Delay
Figure 13: MS2 Panel Mount Wiring
Input Management Settings
Table 6: Rating Table
Binary Input Function Selection
Rating Category 120 240 24
VAC VAC VDC Binary Input Time Delay
Horsepower 1/4 1/2 - Setback
Full Load Amperes 5.8 4.9 - Table 7: Ordering Information
Locked Rotor 34.8 29.4 - Product Code Description
Amperes Number
Inductive (non-motor) 8 8 8 MS2DR24V-11C MS2 DIN Rail Mount Control;
Amperes
shipping weight 0.62 lb (300 g)
Pilot Duty VA 275 450 -
MS2PM24V-11C MS2 Panel Mount Control; shipping
Power supply is 24 VAC. weight 0.40 lb (180 g)
Terminal VO output is 12-17 VDC. P99V-1C Pressure transducer
HE-6300 Humidity sensor, wall mount
HE-6310 Humidity sensor, direct mount
MS Series Product Bulletin 11
Table 8: Sensor Ordering Information
Product Sensor Type Operating Range Cable
Code
Number
HE-6300-3 Humidity, Wall-mount 0 to 100% RH non-condensing, 20 to 140°F (-29 to 60°C) None
HE-6310-3 Humidity, Duct-mount 0 to 100% RH non-condensing, 20 to 140°F (-29 to 60°C) None
P99V-1C Pressure 0 to 100 psig 6-1/2 ft (2 m)
Table 9: Electrical Ratings of Contacts
Rating Category 120 VAC 240 VAC 24 VDC
Horsepower 1/4 1/2 -
Full Load Amperes 5.8 4.9 -
Locked Rotor Amperes 34.8 29.4 -
Inductive (non-motor) Amperes 8 8 8
Pilot Duty VA 275 450 -
Open collector transistors on the MS1 alarm circuits have a maximum rating of 40 VDC, 100 mA. Alarm requires separate
power source.
S pecifications
Product MS Series One and Two Stage Electronic Controls
Power Requirements 3.7 VA @ 24 VAC, 50/60 Hz, Class 2 (20-30 VAC)
Ambient Conditions Operating: +14 to +140°F (-10 to +60°C); 0 to 95 % RH (non-condensing)
Storage: -22 to +176°F (-30 to +80°C); 0 to 95 % RH (non-condensing)
Agency Listings UL Recognized: File E194024, CCN XAPX2
Canadian UL Recognized: File E194024, CCN XAPX8
FCC Compliant per Class A Digital Device, Part 15
Canadian DOC Compliant per Class A, Radio Interference Regulations
Dimensions (H x W x D) Panel Mount: 1.38 x 2.95 x 2.68 in. (35 x 75 x 68 mm)
DIN Rail: 4.65 x 2.76 x 2.07 in. (118 x 70 x 52.5 mm)
Shipping Weight See ordering information in Tables 5 and 7.
The performance specifications are nominal and conform to acceptable industry standards. For application at conditions beyond these
specifications, consult Johnson Controls/Penn Refrigeration Application Engineering at (414) 274-5535. Johnson Controls shall not be liable
for damages resulting from misapplication or misuse of its products.
www.penncontrols.com
® Johnson Controls and PENN are registered trademarks of Johnson Controls in the
United States of America and/or other countries. All other trademarks used herein are the property
of their respective owners. © Copyright 2018 by Johnson Controls. All rights reserved.
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