BECKHOFF C1120 - Manual (Page 29)

C1120 S5 to II/O Lightbus Interface Beckhoff II/O-Lightbus System
Date 27.06.97 Version 2.1 Page 29 of 52
Several special functions are available for the PLC via the parallel communication channel:
Function-nr 48 = 30H
II/O-Lightbus Error status request
Request from PLC Argument 1 Argument 2
---- ----
Reply from C1120 Interface Argument 1 Argument 2
Error number * )
Function-nr 53 = 35H
Reset II/O-Lightbus
Request from PLC Argument 1 Argument 2
---- ----
Reply from C1120 Interface Argument 1 Argument 2
Error number * ) Module number
Function-nr 54 = 36H
II/O-Lightbus Transmit test
Request from PLC Argument 1 Argument 2
---- ----
Reply from C1120 Interface Argument 1 Argument 2
---- ----
Function-nr 55 = 37H
II/O-Lightbus Interrupt location test
Request from PLC Argument 1 Argument 2
---- ----
Reply from C1120 Interface Argument 1 Argument 2
Error number * ) Module number