Beckhoff CX9000 Manuel d'utilisateur télécharger pdf (Page 47)

Error handling and diagnostics

Embedded PC 45

END_CASE;

14 : report error (* 'k_bus_arg'-th terminal has wrong format *)

15 : report error (* wrong number of bus terminals *)

16 : report error (* length of K-Bus data is invalid *)

END_CASE

k_bus_request := TRUE; (* reset bus, if reason for error is removed, bus

starts again *)

....

To make the control work, the register and the program must be linked in System Manager. If the PLC program is

attached in System Manager the following signals are available:

Analog the registers of the terminal bus are shown in System Manager:

Link signals and variables:

k_bus_err_code with ErrorCode

k_bus_err_arg with ErrorArg

k_bus_state with BusState

and

k_bus_request with Request[0]

If all signals are linked the programmer can load configuration and PLC program onto the system.

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Beckhoff CX9000 Manuel d'utilisateur Page 47