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- FAQ > Controllers > Motion Controllers > MELSEC-Q Series > Simple Motion Modules > QD77MS > Input/output signal
FAQ
- Inquiries
Input/output signal
Currently, NPN photo sensor is being used for upper/lower stroke limit and proximity dog signals, but no signal is received.
What should I do?
What should I do?
- Category :
-
- FAQ > Controllers > Motion Controllers > MELSEC iQ-R Series > Simple Motion Modules > RD77MS
- FAQ > Controllers > Motion Controllers > MELSEC-Q Series > Simple Motion Modules > QD77MS
- FAQ > Controllers > Motion Controllers > MELSEC-Q Series > Positioning Modules > QD75MH
- FAQ > Controllers > Motion Controllers > MELSEC-Q Series > Positioning Modules > QD75M
Answer
Check if 24 VDC power is supplied to "1A7" (pin No.) of the external input signal connector.
- Product Name
- Simple Motion module/
Positioning module
- Series
- MELSEC iQ-R
MELSEC-Q
