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Barrier relay input

Created by: Zazu at: 11/10/2014 6:56 PM (3 Replies)

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11/10/2014 6:56 PM	Rate (0)
Zazu Posts: 78 Rating: (4)	Sorry to be a pain again, but I can't see a way round this problem. I need to count pulses from an MTL pulse isolator that has a +ve and -ve output. The barrier is getting pulses but I am at a loss as to how to get the signals into the Logo 8.
Zazu Posts: 78 Rating: (4)
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11/10/2014 8:05 PM	Rate (0)
190B Posts: 2347 Rating: (385)	What is the type name of the MTL?
190B Posts: 2347 Rating: (385)
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11/10/2014 8:11 PM	Rate (0)
Zazu Posts: 78 Rating: (4)	It's the 5032 pulse isolator. I can buy others if needed. I need to count pulses from a solvent dispenser at 350 pulses per litre.
Zazu Posts: 78 Rating: (4)	Last edited by: Zazu at: 11/10/2014 8:14 PM
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11/10/2014 8:52 PM	Rate (0)
190B Posts: 2347 Rating: (385)	The 5032 pulse isolator has an open collector output (PNP). You can connect the output via a pull-up resistor or pull-down resistor to the LOGO.
190B Posts: 2347 Rating: (385)
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