AERCO Control System (ACS) - Manual (Page 142)

MC2: 04/23/13 Page 142 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
Table H-2: ACS Standard Holding Register Address Mapping - Continued
Modbus Data
Address
Decimal (Hex)
Menu Item Units and Range
Default/
Comments
150 (0x0096) DEADBAND HIGH 0 to 25° Default = 1°
151 (0x0097) DEADBAND LOW 0 to 25° Default = 1°
152 (0x0098) SETPOINT DOWN
RATE
0 to 100°/Min Default = 100°
153 (0x0099) DEMAND OFSET 0 to 100° Default = 0°
154 (0x009A) PLANT DT LIMIT 10 to 100° Default = 40°
155 (0x009B) BOILER DELAY
TIME
10 to 999 Sec Default = 30
156 (0x009C) VALVE WAIT
STATE
0 = Off
1 = Current State
If Option 1 or 2,
Default = 0
157 (0x009D) BOOST TEMP Hdr Low Limit to Hdr High Limit Default = 140
158 (0x009E) VALVE WAIT TIME 0 to 500 Sec Default = 120
159 (0x009F) RETURN TEMP
BOOST DISABLE
Off, -80° to +80°
Default = Off
(64726)
160 (0x00A0) MODBUS ON.OFF
0 to 2
0 = Front Panel Off
1 = On
2 = Modbus Off
Default = 0
161 (0x00A1) BOILER CONTROL
SELECT
0 to 2
0 = None
1 = C-more
2 = MLX (BCM)
Default = 0
162 (0x00A2) BOOST MAX
TIMER
0 (Off), 1 to 999 Min Default = 0
163 (0x00A3)
Thru
65535 (0Xffff)
(Reserved For
Future Expansion)
Undefined