Parameter Data (Register 56); Communication Control (Register 57); Table 37: Register 56; Table 38: Register 57 - WAGO I/O-SYSTEM 750 Manual

62 Process Image
The basic sequence for writing a parameter is:
1. Write register 56 to store the data of the write request.
2. Write register 57 with the write request command.
3. Read register 57 to check the execution status.
A more detailed description is available in section "Process Image" > "Process of
Parameter Transmission".
6.3.4.1

Parameter Data (Register 56)

Register 56 contains the parameter data to be read or written. Depending on the
access type, either the 750-644 I/O module (read parameters) or the fieldbus
coupler/controller (write parameters) writes data to register 56.

Table 37: Register 56

Bit
Parameters
Bit
Parameters
PRM0 ... PRM15: Parameter data bit 2
6.3.4.2

Communication Control (Register 57)

Parameter channel control and diagnostics are done via register 57.

Table 38: Register 57

Bit
Request
parameter
Response
parameter
Bit
Request
parameter
Response
parameter
Request parameter:
Response parameter:
Register 56
7 6 5
2 2 2
PRM7 PRM6 PRM5 PRM4
15 14 13
2 2 2
PRM15 PRM14 PRM13 PRM12 PRM11
0
... bit 2
Register 57
7 6 5
2 2 2
A7 A6 A5
A7 A6 A5
15 14 13
2 2 2
TGL_ PRM_ MORE_
MS RW PRM
TGL_ TIME BUF_
SM OUT OVF
Information is written by the application and read by the 750-644
I/O module.
Information is written by the 750-644 I/O module and read by the
application.
WAGO-I/O-SYSTEM 750
750-644 Bluetooth
4 3
2 2
PRM3 PRM2
12 11
2 2
PRM10
15
4 3
2 2
A4 A3
A4 A3
12 11
2 2
RES RES
PRM_ RES
ERR
Version 2.0.0, valid from FW/HW Version 03/03
®
RF-Transceiver
2 1 0
2 2 2
PRM1 PRM0
10 9 8
2 2 2
PRM9 PRM8
2 1 0
2 2 2
A2 A1 A0
A2 A1 A0
10 9 8
2 2 2
RES RES RES
RES RES RES
Manual