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

Modbus Read, Write and Override Parameters plus Exception Codes
350 UDC3500 Universal Digital Controller Product Manual 3/07
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.
Table 10-1 Control Data Parameters
Parameter Register
Address
Data
Type
Access Data Range or
Enumerated Selection
Description ID Hex Decimal
Input #1 123 007B 123 FP RD In Engineering Units or
Percentage
Input #2 124 007C 124 FP RD In Engineering Units or
Percentage
Input #3 126 007E 126 FP RD In Engineering Units or
Percentage
Input #4 120 0078 120 FP RD In Engineering Units or
Percentage
Input #5 121 0079 121 FP RD In Engineering Units or
Percentage
PV, SP, Output
Loop 1
122 007A 122 FP RD In Engineering Units
PV, SP, Output
Loop 2
122 017A 378 FP RD In Engineering Units
PV Range Low
Loop1
54 0036 054 FP RD –999.0 to +9999
in Engineering Units
PV Range High
Loop1
55 0037 055 FP RD –999.0 to +9999
in Engineering Units
PV Range Low
Loop2
54 0136 310 FP RD –999.0 to +9999
in Engineering Units
PV Range High
Loop2
55 0137 311 FP RD –999.0 to +9999
in Engineering Units