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Are the outputs on the Logo8 24CE is normal close?

Created by: i.den at: 2/2/2020 12:41 AM (4 Replies)

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2/2/2020 12:41 AM	Rate (0)
i.den Posts: 2 Rating: (0)	On my Logo (6ED1052-1CC08-0BA0) when program is stopped outputs are closed. Is this ok? Somehow there are no information in datasheets about outputs mode (NC or NO).
i.den Posts: 2 Rating: (0)
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2/2/2020 6:13 AM	Rate (2)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 1/12/2026 Posts: 36439 Rating: (4547)	Hello i.den, at first welcome to the forum. No, thats not normal. The outputs are switched off in the stop state. What is connected to the outputs? Can it be that voltage comes back to the outputs?

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2/2/2020 1:39 PM	Rate (0)
i.den Posts: 2 Rating: (0)	Thanks! I figured it out. My lamp has been connected to power supply through logo output (how it does for relay outputs) instead of direct connection to output.
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2/2/2020 1:46 PM	Rate (2)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 1/12/2026 Posts: 36439 Rating: (4547)	Then everything is clear. The output terminals on a LOGO! with transistor outputs are not potential-free as with a LOGO! with relay outputs. Qx is the 24VDC that is switched by the transistor, and M then the 0 VDC. The lamp can therefore be connected directly.

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This contribution was helpful to 3 thankful Users JKV JAMES ❤️(Köni... i.den RKBIS

2/6/2020 6:39 AM	Rate (0)
Jen_Moderator Posts: 8171 Rating: (174)	New question published by AndreyG is split to a separate thread with the subject M terminals are connected to 0V inside LOGO module or they must be wired to 0V for transistor to work?. Best regards Jen_Moderator
Jen_Moderator Posts: 8171 Rating: (174)
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