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4.3 Compressor Interface Module
The Compressor Interface Module (CIM), also referred to as the Compressor I/O Board, allows the user to control and
communicate with the compressor, and allows the compressor to return status and sensor information to the user.
Refer to Figure 4-18 Compressor Interface Module Ports & Jumpers.
Figure 4-18 Compressor Interface Module Ports & Jumpers
Table 4-8 CIM Ports and Jumpers
No.
Component
No.
Component
J1
RS-485 Communication Port
JP1
Analog Output Voltage
J2
Input/Output
JP2
MODBUS Terminator
J3
Input/Output
JP3
Entry
J4
EXV1 and EXV2 Control
JP4
Leave
J5
Liquid Level Input
JP5
LIQ LEV1
J6
Compressor Interface Cable Connection
JP6
LIQ LEV2
J7
RS-232 External Communication Port
J8
External Sensor Inputs
4.3.1 Compressor Interface Module Connection Descriptions
J1 – RS-485 external communication port
l
Jumper JP2 required at end of Modbus line
J2 – Input/output
l
DEMAND – Pin 1 & 2 – Analog input to drive compressor (0-10V)
l
I/LOCK – Pin 3 & 4 – Interlock safety switch: must be part of a closed circuit to start compressor
Page 60 of 294 - M-SV-001-EN Rev. H 1/23/2023
Содержание Turbocor TT Series
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