Beckhoff C1120 Manual de usuario descargar pdf (Pagina 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

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