750-651 (/xxx-xxx) [TTY-Interface 20mA Current Loop] • 21
Datatransfer
WAGO-I/O-SYSTEM 750
Busklemmen
After the 3 characters have been processed, RA is inverted.
Output byte 0
Control byte
Output byte 2
Output byte 1
XX '0XXX.001X' XX
XX
If RA
RR, the receiving of additional characters will continue.
Input byte 0
Statusbyte
Input byte 2
Input byte 1
XX
'0XXX. 0X1X'
XX
XX
No received data
available.
'O'
'0001.0X0X'
XX
XX
The information is in
the input bytes.
After the characters have been processed, RA is inverted.
Output byte 0
Control byte
Output byte 2
Output byte 1
XX '0XXX.000X' XX
XX
Note
An X indicates that this particular value has no importance.
XX indicates that the whole value has no importance.
