AERCO XPC GATEWAY Communications - Manual (Page 30)

GATEWAY COMMUNICATIONS MANUAL
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1.10.9 AERCO XPC to BCM (on MLX Boiler)
AERCO XPC TO BCM (on MLX Boiler)
XPC Part Number:
•
25024-4 or 63046-4 for 1 BMS and up to 4 MLX (with BCM Controls)
XPC Port 2 to BCM Port Y2:
•
Wire to XPC Port 2  “Net+” to Y2 pin 1; “Net-” to Y2 pin 2; and Shield connected at one end only - to the XPC at
the “SHIELD” input.. Daisy chain to the other units..
•
Place 4-position jumper on EIA-485 (two bottom rows);
•
Place 2-position jumper on 2W;
XPC Software Setup (Must be changed using AppLoader Software and Programmer Cable.):
•
Modbus Response Time = 2 (x100 msec); Only if Remote Setpoint control is to be done, set these points from
“False” to “True” – “Req Outlet Temp” and “Net Direct Drive” – for all your boiler addresses.
BCM Setup:
•
Set Address Dipswitch on each BCM starting from 1; Keep termination jumper off on all BCMs;
BE SURE TO CYCLE AERCO XPC POWER AFTER MAKING ANY DIPSWITCH OR JUMPER CHANGES
AERCO XPC
BCM
Port 1a Port 2
RS485 RS485
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