Omron FQM1-MMA21 9-1Error Log, Section, Errors Generated by FAL006/FALS007, Error Log Structure

Error Log Section 9-1

9-1 Error Log

Errors Generated by FAL(006)/FALS(007)

Each time that an error occurs in the FQM1, the error information is stored in the Error Log Area starting at A100. The error information includes the error code (same code stored in A400) and error contents. Up to 20 records can be stored in the Error Log.

In addition to system errors generated by the Coordinator Module and Motion Control Module, the FQM1 records user-defined errors generated by the FAL and FALS instructions in the ladder program. These instructions make it eas- ier to track the operating status of the system.

A user-defined error is generated when FAL or FALS is executed in the pro- gram. The input conditions of these instructions constitute the user-defined error conditions.

The following table shows the error codes for FAL and FALS, which are stored in A400 and the first word of the error record when the instruction is executed.

Instruction	FAL numbers	Error codes
FAL	#0001 to #01FF (1 to 511 decimal)	4101 to 42FF
FALS	#0001 to #01FF (1 to 511 decimal)	C101 to C2FF

Note FAL generates a non-fatal error (the Coordinator and Motion Control Module continue operating). FALS generates a fatal error that stops operation.

Error Log Structure	When more than 20 errors occur, the oldest error data (in A100 to A104) is
	deleted and the newest record is stored in A195 to A199.

Order of

Error code occurrence

4102	1	A100
		A101
		A102
0300	2	A103
		A104
		A105
		A106
		A107
		A108
		A109
C101	20
		A195
		A196

A197

A198

A199

Error Log Area

4 1 0 2

0 1 0 1

0 1 0 1

0 1 0 1

0 3 0 0

0 1 0 1

0 1 0 1

0 1 0 1

C 1 0 1

0 1 0 1

0 1 0 1

0 1 0 1

Error code Error contents

Error code Error contents

Error code Error contents

A408CH

Error Log Pointer

Note The Error Log Pointer can be reset by turning ON the Error Log Pointer Reset Bit (A500.14), effectively clearing the error log display in the CX-Programmer. The contents of the Error Log Area will not be cleared by resetting the pointer.

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