AERCO Modbus Communications Manual - Manual (Page 51)

Chapter 2
MODBUS
Communication GF-114
Standard Register Assignments USER MANUAL
OMM-0035_0C
05/18/12 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 • Ph: 800-526-0288 Page 51 of 200
Table 2-5: ACS Standard Holding Register Address Mapping (Cont.)
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
? 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
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 = Cmore
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