Protocol 0X81 (Diagnostics); Table 35: Protocol 0X80, Pdu Structure; Table 36: Protocol 0X80, Structure Of Pdus, Legend; Table 37: Protocol 0X81, Description Of Services - WAGO -I/O-SYSTEM 750 Manual

WAGO-I/O-SYSTEM 750
750-658 CAN Gateway

Table 35: Protocol 0x80, PDU Structure

Service PDU
Request: Read
Request: Write
Request: Save
Request: Restore
Request: Set password
Reply without parameter
Reply with parameter

Table 36: Protocol 0x80, Structure of PDUs, Legend

Description Description
-
TAB
REG
D1
D0
RSP
Note
Overlapping (concurrent) execution of confirmed services is prohibited!
A confirmed service consists of the transmission of a request and the
reception of a reply. Overlapping execution of confirmed services is
prohibited. Once a service request has been transmitted, the reply must first
be received before a further request can be sent.
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10.2.2

Protocol 0x81 (Diagnostics)

This protocol implements the transmission of diagnoses as an unconfirmed
service.

Table 37: Protocol 0x81, Description of Services

Service
Diagnostics
Manual
Version 1.2.0, valid from FW/HW-Version 01/01
This byte is not used by this PDU
Table number
Register number
Parameter, top byte (MSB)
Parameter, bottom byte (LSB)
Reply status:
0x00 Executed successfully
0x01 Execution failed
0x02 Access denied
0x03 Table protected
0x04 Incorrect data length
0x05 Unknown table
0x06 Unknown register
[0x07...0xFF] (reserved)
Description
Transmission of a diagnosis as a message.
Structure of PDU (Bytes 0 ... 5)
0 1 2
0x00 0x01 TAB REG
0x00 0x04 TAB REG
0x00 0x09 -
0x00 0x0c -
0x00 0x0d 0x35 0x12
0x00 RSP -
0x00 RSP D1
Appendix 81
3 4 5
- -
D1 D0
- - -
- - -
- -
- - -
D0 - -