Mitsubishi Electronics QD75D, QD75P user manual Initialized setting data Parameters

14DEDICATED INSTRUCTIONS

[Functions]

MELSEC-Q

(1)This dedicated instruction is used to return the setting data set in the QD75 buffer memory and flash ROM to their factory-set data (initial values).

Initialized setting data

Parameters (

Pr.1

to

Pr.57

,Pr.150 )

Sequence program

PINIT instruction

Complete device

Complete state display device

Positioning data (No. 1 to No. 600)

Block start data (No. 7000 to 7004)

(2)The PINIT instruction completion can be confirmed using the complete devices ((D)+0) and ((D)+1).

(a)Complete device ((D)+0)

This device is turned ON by the END processing of the scan for which PINIT instruction is completed, and turned OFF by the next END processing.

(b)Complete state display device ((D)+1)

This device is turned ON and OFF according to the state in which PINIT instruction is completed.

• When completed normally : Kept unchanged at OFF.

•When completed abnormally : This device is turned ON by the END processing of the scan for which PINIT instruction is completed, and turned OFF by the next END processing. (same ON/OFF

operation as complete device).

	END			END			END			END
processing			processing			processing			processing
		ON			PINIT instruction
					execution completion
OFF
								ON
OFF
									When
								ON	completed
									abnormally
OFF									When
								completed normally

1 scan

[Errors]

(1)When a dedicated instruction is completed abnormally, the error complete signal ((D)+1) is turned ON, and the error code is stored in the complete status ((S)+1). Check and take measures against the error referring to Section 15.2 "List of error codes".

[Precautions]

(1)The PINIT instruction can only be executed when the QD75 READY signal (X0) is turned OFF.

When the QD75 READY signal is turned ON, the PINIT instruction cannot be executed.

Before executing the PINIT instruction, turn OFF the PLC READY signal (Y0) and then turn OFF the QD75 READY signal.

(2)When the remote I/O station (Q Corresponding MELSECNET/H network remote

I/O module) is used, the dedicated instruction (PINIT) is unusable.

: For details of the remote I/O station, refer to Q Corresponding MELSECNET/H Network System Reference Manual (Remote I/O Network).

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