User Manual

Section 2: Assembly
02/13 17 51315 Rev. 1
2.5. INSTRUMENT WIRING, CONTINUED
2.5.1. JP3 JUMPER CONFIGURATION)
*Port should be set to RS485.
NOTE: 120 ohm Termination Resistors are required if the receiver is the
last node on the network.
JP3 RS232 RS485 RS422* PORT
1-2
Out 120 Ohm
Resistor
120 Ohm
Resistor
COM1
3-4
Out
In
Out
COM1
5-6
Out
In
Out
COM1
7-8
Out
In
Out
COM2
9-10
Out
In
Out
COM2
11-12
Out 120 Ohm
Resistor
120 Ohm
Resistor
COM2
TB2
J11
TB4-A
TB4-C
TB4-B
TB3
INTERNAL PROGRAM
SWITCH
TB5
Printed Circuit Board (31308)
JP3