BECKHOFF CX9000 User Manual
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.