Digital Control Module Catalog Page

Текст документа

Controls Group 507 E. Michigan Street
                                                                                                                      P.O. Box 423, Milwaukee, WI 53202
                                                                                                                      Code No. LIT-1928025
digitmod                whole                             1928025       9thcc:8-16             FMS                                   Metasys ® Network                           Rev:
                                                                                                                                                                                 07/18/97
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Digital Control Module                                                                                                                                                           right ft:
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dcm140.tif                                                 Description                                                Features
                                                           The Digital Control Module (DCM) performs                  • up to 20 universal (analog/binary) inputs
                                                           direct digital control of devices such as valves,            and up to 20 universal (analog/binary)
                                                           actuators, and variable speed drives. The                    outputs can be interfaced to the controller
                                                           DCM is actually a co-processor for the NCM,                • provides accurate PID control
                                                           executing Proportional-Integral-Derivative
                                                                                                                      • self-tuning program fine tunes PID loop
                                                           (PID) loop calculations. This frees the NCM to
                                                           perform duties such as scheduling, interlocks,               accuracy
                                                           and operation sequences. The DCM employs                   • “Softstart” algorithm brings chillers and fan
                                                           a “self-tuning” algorithm that automatically                 systems under normal control from start-up
                                                           and continually fine tunes PID loop                          without setpoint hunting
                                                           parameters to maintain a correct feedback                  • plug-in installation and easy commissioning
                                                           value. Self-tuning adjusts the control strategy
                                                           due to mechanical aging of devices or shifting             To Order
                                                           variables, such as varying temperatures.
                                                                                                                      Contact your local Johnson Controls
                                                           The DCM can be installed in a 2-slot                       Representative.
                                                           NCU/NEU CU. or 5-slot NCU.
                                                                                                                      Selection Chart
                                                                                                                         Code Number                     Description
                                                                                                                       NU-DCM140-0                 Digital Control Module 140

                                                           Repair Parts                                               Accessories
                                                              Code Number                   Description                 Code Number                      Description
                                                                                     Digital Control Module 140                                2 Slot Base Frame for
                                                            NU-DCM140-700                                              EN-BSF201-0
                                                                                     Repair Module                                             DCM140
                                                                                                                                               5 Slot Base Frame for
                                                                                                                       EN-BSF501-0
                                                                                                                                               DCM140
                                                                                                                       NU-PWR101-0             Power Supply for DCM140

Specifications
                                                                        Digital Control Module
 Inputs                               10 function module slots, handling up to 20 inputs
                                      Voltage and Current: 12 bit resolution (.0244% at room temperature)
                                      100 ohm RTD (DIN platinum): Resolution = .07°F over full range
 Input Accuracies                     1000 ohm RTD (JCI nickel): Resolution = .07°F over full range
                                      1000 ohm RTD (DIN platinum): Resolution = .10°F over full range
                                      1000 ohm RTD (JCI silicon): Resolution = .05°F over full range
 Outputs                              10 function module slots, handling up to 20 outputs
 Output Accuracy                      Resolution is 10 bits (.0977% over the full range). Output accuracy is further affected by the individual output function module.
 Source Power                         Power is from the power module (NU-PWR101-0).
                                      32 to 122°F (0 to 50°C)
 Ambient Operating Conditions
                                      10% to 90% RH
                                      -40 to 158°F (-40 to 70°C)
 Ambient Storage Conditions
                                      5% to 95% RH
 Dimensions (H x W x D)               14 in. x 1.5 in. x 6 in. (355 x 36 x 152 mm)
 Shipping Weight                      2.6 lbs (1.18 kg)
                                      FCC Part 15 Subpart J Class A
 Agency Compliance                    UL 916
                                      CSA C22.2 No. 205
 Agency Listing                       UL Listed and CSA Certified as part of the Metasys Network

The performance specifications are nominal and conform to acceptable industry standards. For applications at conditions beyond these specifications, consult the local Johnson
Controls office. Johnson Controls, Inc. shall not be liable for damages resulting from misapplication or misuse of its products.                © 09/00 Johnson Controls, Inc
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• NU-DCM140-0 — Модуль цифрового управления

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