5 DATA USED FOR POSITIONING CONTROL

MELSEC-Q

Storage item

Storage details

Reading the monitor value

 

 

can be stored)

 

Md.7

records

Error

 

[Storage details]

[Reading the monitor value]

A

b15 b12

Buffer memory

a

This area stores the following results of the error judgment performed upon starting:

BUSY start warning flag

Error flag

Error No.

Monitoring is carried out with a hexadecimal display.

B

C

D

 

 

Monitor value

 

 

 

 

 

b8

b4

 

b0

 

A B

C D

B

C

D

 

 

 

 

 

 

 

 

 

 

judgment

Starting history (Up to 16

 

 

 

 

 

 

 

 

 

 

Md.8

 

 

Start history

 

 

pointer

 

 

 

 

Error flag

 

Error No.

Stored contents

Storage value

Convert the hexadecimal value "a, B, C, D" into a decimal value and

match it with "15.2 List of errors".

Error flag OFF

0

 

Error flag ON

1

 

BUSY start warning flag

 

 

Stored contents

Storage value

 

BUSY start

 

 

warning OFF

0

 

BUSY start

1

warning ON

 

Indicates a pointer No. that

 

Monitoring is carried out with a decimal display.

 

is next to the Pointer No.

 

 

Storage value (Pointer number)

assigned to the latest of the

 

Monitor value

0 to 15

existing starting history

 

 

 

records.

 

 

 

 

 

 

 

5 - 90

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Image 178
Mitsubishi Electronics QD75P Can be stored, Storage details Reading the monitor value, Judgment, Starting history Up to