AERCO XPC GATEWAY Communications - Manual (Page 28)

GATEWAY COMMUNICATIONS MANUAL
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1.10.7 AERCO XPC to Boiler Management System II (BMS II)
AERCO XPC TO BOILER MANAGEMENT SYSTEM II
(BMSII)
XPC Part Number:
•
“25024-1” for 1 BMSII and up to 4 C-MORE, or “25024-2” for 1 BMSII and up to 12 C-MOREs , or
“25024-4” for 1 BMSII and up to 4 MLX Boilers (with BCMs), or 25024-5 for 1 BMSII and up to 8 C-
MOREs
XPC Port 2 to BMSII Port JP5:
•
Wire to XPC Port 2  “TX” to “RXD”, “RX” to “TXD”, “Signal Ground” to “GND”, and Shield connected at
one end only. If to the BMSII at the “SHIELD” input. Jumper “DTR” and “DCD” on port 2.
•
Place 4-position jumper on EIA-232 (two top rows);
•
Place 2-position jumper on 2W;
XPC Software Setup:
•
Modbus Response Time = 20(x100 msec) (default);
BMSII RS232 Menu Setup:
•
RS232 Mode = Modbus Slave; RS232 Baudrate = 9600; Modbus Address = 128; Modbus Pass Thru =
Enabled (if reading information from boilers, else leave Disabled);
BE SURE TO CYCLE AERCO XPC POWER AFTER MAKING ANY DIPSWITCH OR JUMPER CHANGES
AERCO XPC
BMSII
Port 1a Port 2
RS232 RS485 RS232
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odbu
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JP5 JP6