Honeywell UDC2500 User Manual
Page 229
Modbus Read, Write and Override Parameters plus Exception Codes
4/07
UDC2500 Universal Digital Controller Product Manual
215
Parameter
Description
Register
Address
Data
Type
Access
Data Range or
Enumerated Selection
Hex
Decimal
Alarm 1 Setpoint 2
Type
008E
142
INT
R/W
Same as 140
Alarm 2 Setpoint 1
Type
0090
144
INT
R/W
Same as 140
Alarm 2 Setpoint 2
Type
0092
146
INT
R/W
Same as 140
Alarm 1 Setpoint 1
Event
008D
141
INT
R/W
0 = Low Alarm
1 = High Alarm
Alarm 1 Setpoint 2
Event
008F
143
INT
R/W
0 = Low Alarm
1 = High Alarm
Alarm 2 Setpoint 1
Event
0091
145
INT
R/W
0 = Low Alarm
1 = High Alarm
Alarm 2 Setpoint 2
Event
0093
147
INT
R/W
0 = Low Alarm
1 = High Alarm
Alarm Hysteresis
0029
041
FP
R/W
0.0 to 100% of output or
span
Alarm Latching for
Output 1
00C8
200
INT
R/W
0 = Non Latching
1 = Latching
Alarm States
00C9
201
INT
R/W
State = 0 = Not in Alarm
State = 1 = In Alarm
Bit 0 = Alarm 11 State
Bit 1 = Alarm 12 State
Bit 2 = Alarm 21 State
Bit 3 = Alarm 22 State
Event = 0 = Low
Event = 1 = High
Bit 4 = Alarm 11 Event
Bit 5 = Alarm 12 Event
Bit 6 = Alarm 21 Event
Bit 7 = Alarm 22 Event
Alarm 1 Blocking
00CA 202
INT
R/W
0 = Disable
1 = Block 1
2 = Block 2
3 = Block 1 2