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(2) Precautions
When "Synchronous" is set under "Link Scan Mode Setting" of "Supplementary Setting", observe the following.
• Change the program or the system configuration so that the sequence scan time of the safety CPU module
may be within 200ms. Failure to do so may cause disconnection of slave stations.
• Set the sequence scan time of safety CPU modules on local stations (safety stations) so that it may be
longer than or equal to the link scan time.
If the sequence scan time is shorter than the link scan time, an error occurs in safety communication. To
avoid this, set the constant scan time of the safety CPU modules on the local stations (safety stations).
For how to calculate link scan time, refer to Page 303, Appendix 5.2.
For how to set the constant scan time of a safety CPU module, refer to the following.
QSCPU User’s Manual (Function Explanation, Program Fundamentals)
(3) Setting example
For setting example, refer to Page 209, CHAPTER 11.
button
Equally assign link devices to slave stations with preset conditions.
• Start station: 1 to the end slave
station number
• End station: Number set to "Start
station" to the end slave station
number
• Start No.: Same values set in "RX/RY
Setting" and "RWw/RWr Setting"
• Total points assigned: Same values
set in "RX/RY Setting" and
"RWw/RWr Setting"
(Default: Blank)
button
Assign the same link device points to all slave stations. Enter the
points in the field right next to the button.
Points entered in this field will be reflected to the "Points" of "RX/RY
Setting".
Half of the points entered in this field will be reflected to the "Points" of
"RWw/RWr Setting".
Item Description Setting range
Item Description
Start station
Enter the start station number of slave stations for which
link devices are equally assigned.
End station
Enter the end station number of slave stations for which
link devices are equally assigned.
Start No.
Enter the start number of link devices to be equally
assigned.
Total points
assigned
Enter the total points of link devices to be equally
assigned.