Gf-131 aerco control system (acs) – AERCO Control System (ACS) User Manual
Page 25
MC2: 04/23/13 Page 25 of 144
GF-131
AERCO Control System (ACS)
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, New York 10913 • Phone: 800-526-0288
Installation, Operation, and Maintenance Manual
OMM-0081_0D
METHOD A – BIAS & TERMINATION ACTIVATED AT C-MORE PMC BOARD
Figure 2-7: RS485 (Modbus) Wiring For Benchmark Series Boilers (Sheet 1 of 2)
NOTE
Do not terminate the shields of
the RS485 leads to the ground
(GND) terminal. The shields
must be terminated at the
source ends only. Connect the
shields of the incoming and
outgoing RS485 leads together.
I/O Board
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