Modbus Read, Write and Override Parameters plus Exception Codes 
418  UDC3500 Universal Digital Controller Product Manual  3/07 
Parameter 
 
Register 
Address 
Data 
Type 
Access  Data Range or 
Enumerated Selection 
Description  ID  Hex  Decimal       
Current Output 3   246  00F6  246  INT  R/W  0 = None 
1 = Input 1 
2 = Input 2 
3 = Input 3 
4 = Input 4 
5 = Input 5 
6 = PV 
7 = CB OUT 
8 = Dev 
9 = Out 
10 = SP 
11 = LSP 1 
12 = RSP 
13 = Input ALG 1 
14 = Input ALG 2 
15 = PV 2 
16 = CBOUTL2 
17 = DEV2 
18 = Output Loop 2 
19 = SP Loop 2 
20 = LSP1 Loop 2 
21 = RSP Loop 2 
Current Output 3 
Low Scaling 
Factor 
86  0056  86  FP  R/W  Within the range of the 
selected variable in ID 246 
Current Output 3 
High Scaling 
Factor 
87  0057  87  FP  R/W  Within the range of the 
selected variable in ID 134 
Current Output 3 
Range 
247  00F7  247  INT  R/W  0 = 4-20 mA 
1 = 0-20 mA