Protocols Supported By Mailbox 2.0; Protocol 0X80 (Parameter Access); Table 73: Protocol 0X80, Description Of Services; Table 74: Protocol 0X80, Pdu Structure - WAGO 750-632 Manual

110 Appendix
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11.2

Protocols Supported by Mailbox 2.0

Messages can be exchanged between different devices using the Mailbox 2.0
transfer procedure. Messages that are exchanged can be read by the
communication partner only when they are structured in line with a known
protocol. The Mailbox 2.0 transfer procedure uses the field "Protocol ID" of the
expanded header to identify the protocol being used.
Each of the transmitted messages consists of the header and a protocol data unit
(PDU) whose length and structure are based on the specific protocol.
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11.2.1

Protocol 0x80 (Parameter Access)

This protocol implements confirmed services for reading, writing, storing and
restoring of parameters.

Table 73: Protocol 0x80, Description of Services

Service
Read
Write
Save
Restore
Set password
The structure and length of the PDUs for this protocol differ for request and reply
messages.

Table 74: Protocol 0x80, PDU Structure

Service PDU
Request: Read
Request: Write
Request: Save
Request: Restore
Request: Set password
Reply without parameter
Reply with parameter
Description
Reading of a parameter addressed by a table and register
number.
Writing of a parameter addressed by a table and a register
number. Written values are initially saved only to a volatile
memory. The service "Save" must be used to save parameters
to a non-volatile memory.
Save all parameters to a non-volatile memory.
Restore factory default settings. All current parameter values
will be overwritten.
You must perform this service one time before any parameters
can be written.
Version 1.3.0, valid from FW/HW-Version 01/01
WAGO-I/O-SYSTEM 750
750-632 Proportional Valve Module
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
3 4 5
- -
D1 D0
- - -
- - -
- -
- - -
D0 - -
Manual