Honeywell UDC2800 Product Manual page 204

Chapter 11 - Modbus RTU Function Codes
Parameter
Description
Subnet Mask
Address 4
Default
Gateway 1
Default
Gateway 2
Default
Gateway 3
Default
Gateway 4
Shed Function
Shed Time
Shed Setpoint
Recall
Computer
Setpoint Units
Local Loopback 8D8
204
Register
Data
Address
Type
Hex Decimal
8CE 2254 INT
8CF 2255 INT
8D0 2256 INT
8D1 2257 INT
8D2 2258 INT
8D3 2259 INT
12A 298 FP
8D6 2262 INT
8D7 2263 INT
2264 INT
Alarms
Table below lists all the register addresses and ranges or selections
for the function parameters in Set-up Group Alarms.
Data Range or Enumerated
Access
Selection
R/W
Default Gateway =
R/W
Gateway1.Gateway2.Gateway3.Gate
way4
R/W
Ranges: 0~255
R/W
R/W
R/W 0 = Enable
1 = Disable
0~255
R/W
Unit: 1/3 second
0 = To Last Local Setpoint used
R/W
1 = To Computer SP
0 = Engineering Units
R/W
1 = Percent
R/W 0 = Disable
1 = Enable