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RS/485-MODBUS COMMUNICATIONS AND CONNECTION TO CUSTOMER DATA AQUSITION SYSTEMS
Port 2, 6-pin R J25 connector Pin 1 (+), Pin 6 (-). RS-485 cabling may be up to 2000 feet in length. Belden P/N 3106A cable is
recommended. Note: Cable drawing and pin out at the end of drawing section.
If not specified in the original order default is as follows. NOTE: The following communication parameters cannot be changed in the
field the controller must be returned to the factory.
Baud Rate: 9600
Data Bits: 8
Parity: None
Flow Ctrl: None
Timeout: 0.2 seconds.
SECTION 5 OPTIONAL SNAP-IN
OPTIONAL SNAP-IN ALARM RELAY/IO WIRING
Refer to EMS520_Vol,2 Electrical wiring
OPTIONAL SNAP-IN ANALOG OUTPUT CONNECTIONS
Refer to EMS520_Vol,2 Electrical wiring
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