Function Code Fc22 (Mask Write Register); Table 99: Exception Of Function Code Fc16; Table 100: Request Of Function Code Fc22; Table 101: Response Of Function Code Fc22 - WAGO -I/O-SYSTEM 750 XTR Manual

166 Fieldbus Communication
Exception

Table 99: Exception of Function Code FC16

Byte
...
Byte 7
Byte 8
Pos : 94.13 /D okumentati on allgemei n/Gli ederungsel emente/---Seitenwec hs el--- @ 3\mod_1221108045078_0.doc x @ 21810 @ @ 1
Pos : 94.14 /Serie 750 ( WAGO-I/O-SYST EM)/Funkti onsbesc hrei bung/F eldbus kommuni kation/M ODBU S/Anwendung der MOD BUS-F unktionen ( x41) - FC 22 @ 4\mod_1235567699484_21.doc x @ 27737 @ 4 @ 1

11.2.3.10 Function Code FC22 (Mask Write Register)

This function manipulates individual bits within a register using a combination of
an AND mask, an OR mask, and the register's current content.
Request

Table 100: Request of Function Code FC22

Byte
Byte 0, 1
Byte 2, 3
Byte 4, 5
Byte 6
Byte 7
Byte 8, 9
Byte 10, 11
Byte 12, 13
Response

Table 101: Response of Function Code FC22

Byte
...
Byte 7
Byte 8, 9
Byte 10, 11
Byte 12, 13
Exception

Table 102: Exception of Function Code FC22

Byte
...
Byte 7
Byte 8
Pos : 94.15 /D okumentati on allgemei n/Gli ederungsel emente/---Seitenwec hs el--- @ 3\mod_1221108045078_0.doc x @ 21810 @ @ 1
Manual
Version 1.3.0
750-352/040-000 FC ETHERNET G3 XTR
Field name
MODBUS function code
Exception code
Field name
Transaction identifier
Protocol identifier
Length field
Unit identifier
MODBUS function code
Reference number
AND mask
OR mask
Field name
MODBUS function code
Reference number
AND mask
OR mask
Field name
MODBUS function code
Exception code
WAGO-I/O-SYSTEM 750 XTR
Example
0x85
0x01 or 0x02
Example
0x0000
0x0000
0x0002
0x01 not used
0x16
0x0000
0x0000
0xAAAA
Example
0x10
0x0000
0x0000
0xAAAA
Example
0x85
0x01 or 0x02