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3.3 JUMPERS SETTINGS OF METERS, COUNTERS & TIMERS
RS232 Board
g
Normal operation.
h
Slave display operation to RS232 output of
another meter.
J
Pull-up resistor on RTS line.
Note:
The RS232 board is shipped standard with
jumpers g and j installed.
RS485 and RS485-Modbus Boards
Full Duplex Operation
b & e
These bias jumpers should be installed on 1
(and only 1) meter.
a & d
Installed on last meter in line with long cable
runs.
Half Duplex Operation
b & e
Bias jumpers installed on 1 board.
c & f
Installed for half duplex operation.
installed on last meter in line with long cable runs.
Note:
RS485 and RS485 Modbus boards are shipped standard with no jumpers installed.