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digital input invert

3/22/2009 9:39 AM	Rate (0)
innovations Bronze Member Joined: 5/21/2008 Last visit: 12/13/2025 Posts: 93 Rating: (0)	dear friends, pl.suggest howto invert the digital input in micromaster mm440 drive ?

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3/22/2009 3:32 PM	Rate (0)
Ayman Elotaify Diamond Expert Joined: 5/28/2008 Last visit: 1/14/2026 Posts: 4522 Rating: (843)	Hello, Please descripe your problem clearlly. Are the mentioned Digital Inputs are DI to the MM4 and O/P from PLC? Do you need to invert them? i.e. when the PLC is on; input to the MM4 is off? If I understand well, you will need to use a relays. Energize the relay by a DO from PLC and connect the NC contact to the MM4. It will work. Regards,
	Ayman Elotaify
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3/22/2009 4:54 PM	Rate (0)
umencho Grandmaster Joined: 3/21/2006 Last visit: 1/10/2026 Posts: 10247 Rating: (1183)	Hello Look at parameter P0725 (PNP/NPN digital inputs). regards

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3/23/2009 4:14 PM	Rate (0)
Vagabund Posts: 64 Rating: (1)	U see the P0748 in the Micromaster manual??
Vagabund Posts: 64 Rating: (1)
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