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G9SP-series Controllers Section 2-1
Precautions for Correct Use
• The maximum number of Switches that can be connected to a G9SP-series
Controller is given below.
G9SP-N10S: 15 (15 × 1 system)
G9SP-N10D/20S: 30 (15 × 2 system)
• The following Test Output terminals must be used to connect to the D40A or
D40Z Non-contact Switch. Do not connect any other Test Output terminals.
G9SP-N10S: T2
G9SP-N10D/20S: T4 and T5
• The total wiring length (L1 + L2 +…+ L
n+2
in the above figure) for the D40A/
D40Z Non-contact Switch must be 100 m or less.
• Mechanical contacts and sensors cannot be used on D40A/D40Z Non-con-
tact Switch input lines.
• The D40A Non-contact Switch can be used in a Safety Category 3 or lower,
or a PLd or lower application. It cannot be used in an Safety Category 4 or
PLe application.
• The D40Z Non-contact Switch can be used in a Safety Category 4 or lower,
or a PLe or lower application.
Additional Information
If you use a standard model of the D40A/D40Z (with a cable) or if you use
branch connections with the XS2F/XS2W, multiple the cable lengths by two
when you calculate the total wiring length.
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