YOKOGAWA GX20 User Manual

4-29
IM 04L51B01-01EN
Using Modbus Functions (Communicating with Modbus devices)
1
2
3
4
5
App
Index
Register Configuration of PID Control Module Channels
Register example of a PID control module installed in unit 0 (main unit) slot 0
* If the PID modules is installed in unit 1 slot 3, the registers are allocated from channel
number register 1301.
Channel Number Description Notes
0001 PV of loop 1 PID computation data
0002 SP of loop 1
0003 OUT of loop 1
0004 PV of loop 2
0005 SP of loop 2
0006 OUT of loop 2
0007 Input 1 data Physical channel data
0008 Input 2 data
0009 Output 1 data
0010 Output 2 data
0011 DI1 data
0012 DI2 data
0013 DI3 data
0014 DI4 data
0015 DI5 data
0016 DI6 data
0017 DI7 data
0018 DI8 data
0019 DO1 data
0020 DO2 data
0021 DO3 data
0022 DO4 data
0023 DO5 data
0024 DO6 data
0025 DO7 data
0026 DO8 data
0027
—|
0034
0035 Alarms 1 to 4 of loop 1 The lower 8 bits are
used.
0036 Alarms 1 to 4 of loop 2 The lower 8 bits are
used.
0037 Auto/manual/cascade switching of loop 1 1: Auto
2: Manual
3: Cascade
0038 Auto/manual/cascade switching of loop 2 1: Auto
2: Manual
3: Cascade
0039 Run/stop switching of loop 1 1: Run
2: Stop
0040 Run/stop switching of loop 2 1: Run
2: Stop
0041 Remote/local switching of loop 1 1: Local
2: Remote
0042 Remote/local switching of loop 2 1: Local
2: Remote
0043 Target setpoint number (SP number) selection of
loop 1
1 to 8
0044 Target setpoint number (SP number) selection of
loop 2
1 to 8
0045 PID number selection of loop 1 Read Only
0046 PID number selection of loop 2 Read Only
0047 Auto-tuning status of loop 1 Read Only
0048 Auto-tuning status of loop 2 Read Only
0049 Alarm ACK of loop 1 1: Alarm ACK
0 when read
0050 Alarm ACK of loop 2 1: Alarm ACK
0 when read
4.5 Modbus Function and Register Assignments

YOKOGAWA GX20 Specifications

General

Brand	YOKOGAWA
Model	GX20
Category	Recording Equipment
Language	English