Lenze ETC Motion Control - Manual (Page 373)

PLC programming
Library
General functions
8
8.8
8.8.1
l
373 EDSTCXN EN 2.0
8.8.1.23 SYSERROR
FUNCTION SYSERROR: BOOL
VAR_INPUT
fehler_di : DINT; (* error number *)
klasse_dw : DWORD; (* error class *)
formatstring : STRING(80); (* Format string *)
PARAMETER_P : DINT; (* Address of a structure containing the parameters *)
END_VAR
The function SYSERROR is used like the function SPSERROR.
This function can be used to display control−internal errors.
8.8.1.24 TRACE
FUNCTION TRACE: BOOL
VAR_INPUT
Idx : DINT; (* Trace index *)
formatstring STRING(80); (* Format string *)
PARAMETER_P : DINT; (* Address of a structure *)
END_VAR
The trace function can be very useful when debugging dynamic processes.
Each trace can be purposefully enabled or disabled in the diagnostics
monitor. For this a number to identify the trace is issued when the trace
function is called. The trace numbers idx100 ... 200 are reserved for the PLC,
all others are reserved for the NC computer.
The trace buffer in the NC computer holds 512 trace messages. If the trace
messages arrive quicker in the buffer than they can be sent via the
diagnostics interface (RS232), the buffer can overrun and the messages may
be lost.
The return value of the function is of no consequence.
TYPE PARAMETER_TR
STRUCT
param1_r : REAL;
param2_di : DINT;
END_STRUCT
END_TYPE
param_tr: PARAMETER_TR;
parameter_tr.param1_r : = 30.2
parameter_tr.param2_di : = 20;
TRACE(100, ’REAL:%f DINT:%d’, ADR(param_tr));
Declaration
Description
Declaration
Description
Example