KEYENCE DV-90 - Manual (Page 221)

9-21
9
E DV-90-IM
PLC Link
9-3 Data Write Timing
The data to be written is as shown below.
“-” indicates that the data will not be overwritten. (The previous data is retained.)
„ First data reading
„ Second data reading
„ Third data reading
at Verify OK Select Master NG at Read Error
X+18 Read Number 1 1 1
X+19 Verify Count - - -
X+20 Record Number - 998 997
X+21 Output Number - 998 997
Y1 Data 1 - Output data 1 ERROR
Y2 Data 2 - - -
Y3 Data 3 - - -
at Verify OK at Verify NG at Read Error
X+18 Read Number 2 2 2
X+19 Verify Count - 1 to 65535 -
X+20 Record Number - 999 997
X+21 Output Number - 999 997
Y1 Data 1 - Output data 1 Output data 1
Y2 Data 2 - Output data 2 ERROR
Y3 Data 3 - - -
at Verify OK at Verify NG at Read Error
X+18 Read Number 3 3 3
X+19 Verify Count 1 to 65535 1 to 65535 -
X+20 Record Number 1 to 900 999 997
X+21 Output Number 1 to 900 999 997
Y1 Data 1 Output data 1 Output data 1 Output data 1
Y2 Data 2 Output data 2 Output data 2 Output data 2
Y3 Data 3 Output data 3 Output data 3 ERROR