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KEYENCE DV-90 User Manual

Page 220

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9-20

E DV-90-IM

9

PLC Link

9-3 Data Write Timing

„ 3 points-A verification

Yes

Yes

No

(Read Error)

Yes

No

(Read Error)

Yes

No

(Verify NG)

Yes

No

(Selected Master Verify NG)

No

(Read Error)

Wait for the data from the code reader

Wait for the data from the code reader

Verify with the master table

Write “X+18 Read Number”

Write “X+20 Record Number”

Write “X+21 Output Number”

Write “Y1+00 … Data”

Write “Y2+00 … Data”

Write “Y3+00 … Data”

Write “X+18 Read Number”

Write “X+09 Data Write Complete”

Write “X+18 Read Number”

Write “X+19 Verify Count Value”

Write “X+09 Data Write Complete”

Write “X+09 Data Write Complete”

Read OK?

Read OK?

Verify OK?

Verify with the master table

Verify OK?

Read the first data

Read the second data

Wait for the data from the code reader

Read OK?

Verify with the master table

Read the third data

Verify mode starts