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