Omron FQM1-MMP21, FQM1-CM001 Error Processing, Error Categories, 9-2-2Error Information, 9-2-1

Error ProcessingSection 9-2

9-2	Error Processing
9-2-1	Error Categories
		Errors in the FQM1 can be broadly divided into the following three categories.
Category		Result		Indicators		Comments
			RDY	RUN	ERR
Standby		The FQM1 will not start operation	OFF	OFF	OFF	This status occurs when a faulty
		in RUN or MONITOR mode.				Motion Control Module is con-
						nected.
Non-fatal Errors		The FQM1 will continue operating	ON	ON	Flashing	This status indicates a non-fatal
(including FAL)		in RUN or MONITOR mode.	(Green)	(Green)	(Red)	error other than a communications
						error.
Fatal Errors		The FQM1 will stop operating in	ON	OFF	ON	This status indicates a fatal error
(including FALS)		RUN or MONITOR mode.	(Green)		(Red)	other than a power interruption.
						(The indicators will all be OFF when
						there is a power interruption.)

9-2-2 Error Information

There are basically four sources of information on errors that have occurred:

•The LED indicators on the front of the Coordinator and Motion Control Modules

•The Auxiliary Area Error Flags

•The Auxiliary Area Error Contents Words

•The Auxiliary Area Error Code Word

Module Indicators Auxiliary Area Flags and Words

RDY RUN ERR PRPHL COMM1 COMM2

RDY: Initialization completed

RUN: Lit when the Modules are in RUN or MONITOR mode.

ERR: Self-diagnostic test Flashing red: Non-fatal error

Lit red: Fatal error

PRPHL: Lit yellow when the Module is communi-

cating through the peripheral port

COMM1: Lit yellow when the Module is commu- nicating through the RS-232C port

COMM2: Lit yellow when the Module is commu- nicating through the RS-422A port

Error Flags

Flags indicating the type of error.

Error Info.

Words providing error information.

Error Code Word (A400)

Error code

A400

A400 contains the error code. (See note.)

Note

Indicator Status and Error Conditions

When two or more errors occur at the same time, the highest (most serious) error code will be stored in A400.

The following table shows the status of the FQM1’s indicators for errors that have occurred in RUN or MONITOR Mode.

Indicator	CPU error	CPU reset	CPU	Fatal error	Non-fatal	Communications error
			standby		error
						Peripheral	RS-232C	RS-422A
RDY	OFF	OFF	OFF	ON	ON	ON	ON	ON
RUN	OFF	OFF	OFF	OFF	ON	---	---	---

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