Technical data

750-630 (/xxx-xxx) [SSI Transmitter Interface] • 17
Process Image
WAGO-I/O-SYSTEM 750
I/O Modules
Status byte S0
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0 ERROR 0 0 0 0 FRAME_
E
SSI_IN_
E
ERROR A general error has occurred. This bit is set in a FRAME or SSI-IN error has
occurred.
FRAME_E An invalid data frame has occurred, i.e. the data frame is not terminated with
zero (possibly a wire breakage on clock lines).
SSI_IN_E The SSI input of the module has low level when no data transfer is taking
place. (SSI has swapped no power supply or wire breakage at the SSI data
inputs D+ or D- or data lines).
0 reserved