Modbus Read, Write and Override Parameters plus Exception Codes
8/05 UDC2500 Universal Digital Limit ControllerProduct Manual 101
10.4.2 Limit
The identifying register addresses listed in Table 10-4 lists all the register addresses and
ranges or selections for the function parameters in Set-up Group Limit.
Table 10-4 Set-up Group Limit
Parameter
Description
Register
Address
Data
Type
Access Data Range or
Enumerated Selection
Hex Decimal
High/Low Limit 0088 136 INT R/W
0 = Low Limit
1 = High Limit
Power Up
Selections
0089 137 INT R/W
0 = Normal
1 = Reset
Limit Relay
Latched
00C4 196 INT R
0 = Not Latched
1 = Latched if in Limit Condition
Set Point Max 0007 7 FP R/W
0 to 100% of PV
(Engineering Units)
Set Point Min 0008 8 FP R/W
0 to 100% of PV
(Engineering Units)
Display 00B1 177 INT R/W
0 = PV
1= Set Point