I/o channel data status information – Yokogawa Touch Screen GP20 User Manual
Page 347
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IM 04L51B01-01EN
Using Modbus Functions (Communicating with Modbus devices)
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2
3
4
5
App
I/O Channel Data Status Information
I/O Channel Data
Hold Register
Data Type
Channel 0001 status information
402501
16-bit signed integer
|
|
Channel 0050 status information
402550
Channel 0101 status information
402551
|
|
Channel 0150 status information
402600
Channel 0201 status information
402601
|
|
Channel 0250 status information
402650
Channel 0301 status information
402651
|
|
Channel 0350 status information
402700
Channel 0401 status information
402701
|
|
Channel 0450 status information
402750
Channel 0501 status information
402751
|
|
Channel 0550 status information
402800
Channel 0601 status information
402801
|
|
Channel 0650 status information
402850
Channel 0701 status information
402851
|
|
Channel 0750 status information
402900
Channel 0801 status information
402901
|
|
Channel 0850 status information
402950
Channel 0901 status information
402951
|
|
Channel 0950 status information
403000
• 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