Reading Control Data; Table 10-1 Control Data Parameters - Honeywell UDC3500 Product Manual

Modbus Read, Write and Override Parameters plus Exception Codes

10.2 Reading Control Data

Overview
The following control data can be read from this instrument:
• Input 1
• Input 2
• Input 3
• Input 4
• Input 5
• PV, SP, Output for each Loop
Register Addresses
Use the identifying codes listed in Table 10-1 to read the specific items.
A Write request for these codes will result in an Error message.
Parameter
Description
Input #1 123
Input #2 124
Input #3 126
Input #4 120
Input #5 121
PV, SP, Output 122
Loop 1
PV, SP, Output 122
Loop 2
PV Range Low 54
Loop1
PV Range High 55
Loop1
PV Range Low 54
Loop2
PV Range High 55
Loop2
350

Table 10-1 Control Data Parameters

Register
Address
ID Hex Decimal
007B 123
007C 124
007E 126
0078 120
0079 121
007A 122
017A 378
0036 054
0037 055
0136 310
0137 311
UDC3500 Universal Digital Controller Product Manual
Data Access
Type
FP RD In Engineering Units or
Percentage
FP RD In Engineering Units or
Percentage
FP RD In Engineering Units or
Percentage
FP RD In Engineering Units or
Percentage
FP RD In Engineering Units or
Percentage
FP RD In Engineering Units
FP RD In Engineering Units
FP RD –999.0 to +9999
in Engineering Units
FP RD –999.0 to +9999
in Engineering Units
FP RD –999.0 to +9999
in Engineering Units
FP RD –999.0 to +9999
in Engineering Units
Data Range or
Enumerated Selection
3/07