Modbus Read, Write and Override Parameters plus Exception Codes
10.7.8 Control
Table 10-16 lists all the register addresses and ranges or selections for the function
prompts in Set-up Group Control.
Table 10-16 Set-up Group – Control
Parameter
Description
Register
Address
Data
Type
Data Range or
Enumerated Selection
Hex Decimal
PV Source 0085 133 INT R/W 0 = Input 1
1 = Input 2
2 = Input Algorithm 1
Tuning
Parameter
Selection
00AC 172 INT R/W 0 = One set only
1 = 2 sets keyboard selected
2 = 2 sets with PV automatic
switchover
3 = 2 sets with setpoint (SP)
automatic switchover
Automatic
Switchover
Value (used with
172 selection 2
or 3)
0038 056 FP R/W Within the PV Range in
engineering units
Local Setpoint
Source (Number
of LSPs)
00AD 173 INT R/W 0 = One Local Setpoint
1 = Two Local Setpoints
2 = Three Local Setpoints
Power Up Mode
Recall
0082 130 INT R/W
Control Setpoint
Mode Mode
0 = MAN LSP
1 = AUTO LSP
2 = AUTO Last RSP
3 = LAST Last SP
4 = LAST Last Local SP
RSP Source 0083 131 INT R/W 0 = None
1 = Input 2
Setpoint
Tracking
008A 138 INT R/W 0 = None
1 = LSP = PV (when in
Manual)
2 = LSP = RSP (when
switched)
Auto Bias 0089 137 INT R/W 0 = Disable
1 = Enable
Access
12/04 UDC3200 Universal Digital Controller Product Manual 209
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