I/o channel data status information – Yokogawa Touch Screen GP20 User Manual
Page 351

4-31
IM 04L51B01-01EN
Using Modbus Functions (Communicating with Modbus devices)
1
2
3
4
5
App
I/O Channel Data Status Information
I/O Channel Data
Hold Register
Data Type
Channel 0001 status information
404501
16-bit signed integer
|
|
Channel 0010 status information
404510
Channel 0101 status information
404511
|
|
Channel 0110 status information
404520
Channel 0201 status information
404521
|
|
Channel 0210 status information
404530
Channel 0301 status information
404531
|
|
Channel 0310 status information
404540
Channel 0401 status information
404541
|
|
Channel 0410 status information
404550
Channel 0501 status information
404551
|
|
Channel 0510 status information
404560
Channel 0601 status information
404561
|
|
Channel 0610 status information
404570
Channel 0701 status information
404571
|
|
Channel 0710 status information
404580
Channel 0801 status information
404581
|
|
Channel 0810 status information
404590
Channel 0901 status information
404591
|
|
Channel 0910 status information
404600
• There is no decimal place information.
Error code
Meaning
0
No error
1
Skip
2
+Over
3
–Over
4
+Burnout
5
–Burnout
6
A/D error
7
Invalid data
16
Computation error
17
Communication error
5 bits
4 bits
Status information
Alarm list
0
Reserved
area
Error code
RJC error
A/D calibration
value error
0 0 0 0
Level 1
Level 2
Level 3
Level 4
2 bytes
Higher Lower
4.5 Modbus Function and Register Assignments