Yes, in principle that is possible. However it is important to note that the feedback loop must always be incorporated. Also, at least one safety contact on the base unit is needed to control the expansion module. Please always consult the operating instructions.
Relays
Safety relays PNOZ X
Can all contact expansion modules for the PNOZ X safety relays be connected to all base units?
Contact
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India
Telephone: +91 20 49221100/101/102
E-Mail: info@pilz.in
Technical Support
Telephone: +91 20 49221100/101/102
E-Mail: info@pilz.in