Inverter Status Monitoring, Special Registers for Control

<Alarm definition read program example>

The following program reads the latest alarm definition of the inverter to D0.

Alarm definition read request

Stores only the lower 8 bits of error history 1, 2 (D9136) into D0.

(The latest error information is stored into D0.)

<Regarding the error No. and details of the self-diagnostic errors>

During execution of a sequence program, any of the following error No. is stored into D9008 due to an operation error.

At occurrence of a self-diagnostic error, the P.RUN indication (LED) flickers.

Error No.

Error Name

Details

10

INSTRCT CODE ERR.

There is an instruction code that cannot be decoded.

Unusable device is specified.

 

 

11

PARAMETER ERR

Main program capacity setting is over 1k step.

Unusable function is set.

 

 

22

WDT ERR

Scan time is longer than the time that can be monitored

by the watchdog timer.

 

 

24

END NOT EXECUTE

END instruction was not executed.

CAUTION

1.For the LD, AND, OR, logical comparison operation and OUT instructions, device checks are always made. For the other instructions (SET, RST, MOV, etc.), however, device checks are made when the execution condition holds.

2.Operation at error stop The outputs (Y) are cleared.

The other devices hold the states prior to an error stop.

When you want to clear them, power off or reset (short RES-SD (0.1s), then open) the inverter.

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Mitsubishi Electronics 700 Series, FR-A700 specifications Alarm definition read program example, Error No Error Name Details