Yokogawa Touch Screen GP20 - 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