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ET200 Active Low vs. Active High

Created by: Yottabyte at: 10/9/2012 9:30 AM (2 Replies)

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10/9/2012 9:30 AM	Rate (0)
Yottabyte Posts: 3 Rating: (0)	I'm currently trying to do upgrades to an existing system by adding two ET200 field modules. The modules I have are the6ES7 132-7GD00-0AB0which hasactive low feature. The problem is that everytime I stop and start the CPU I have to reload the hardware because the output cards don't come on. Do I have to use6ES7 132-7RD01-0AB0modules with active high feature or is there another way around this problem? And can someone please explain the concept of active high vs active low? Any help will be greatly appreciated...
Yottabyte Posts: 3 Rating: (0)
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10/12/2012 9:22 AM	Rate (0)
Wizard Diamond Expert Joined: 4/24/2006 Last visit: 12/9/2024 Posts: 8781 Rating: (1172)	Hello Yottabyte, Perhaps this link might help: What is the meaning of the terms "sinking" (German: P"P-schalted") and "sourcing" (German: "M-schalted") in digital modules of SIMATIC? And here is a manual for ET200iSP: SIMATIC Distributed I/O ET 200iSP See page 243, for more information. Best regards, Wizard
	Last edited by: Wizard at: 10/12/2012 9:27 AM ET200iSP
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10/12/2012 9:59 AM	Rate (0)
Yottabyte Posts: 3 Rating: (0)	Hi Wizard, Thanks for the help!
Yottabyte Posts: 3 Rating: (0)
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