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finn21
@finn21
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Joined: Oct 6, 2025
Last seen: Sep 19, 2026
Topics: 5 / Replies: 30
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RE: 1756-EN2T racks fault 16#0203 hourly, HMI PC freezes ten seconds at a time

Right, so the switch was copying every rack packet to the PC. Got it.

3 weeks ago
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RE: 1769-L33ER watchdog fault, type 6 code 1, after adding an ST WHILE loop

FOR version's been in since this morning, no fault, Position shows the right entry and -1 when I type a code that isn't there. Ok so my WHILE simply n...

3 weeks ago
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RE: PLCSIM Advanced instance running, TIA Go online shows no accessible devices

Picked the virtual adapter in the dropdown, the instance showed up straight away, downloaded, online, watch table working. So TIA was searching my re...

3 weeks ago
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RE: 30 step filling sequence, ladder is 400 rungs of state bits, move it to ST or SFC?

What's SFC here, is that the flowchart one with the boxes and the lines between? We only did ladder and a bit of ST at college.

3 weeks ago
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3 weeks ago
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RE: 1769-L33ER watchdog fault, type 6 code 1, after adding an ST WHILE loop

It's 0 after a download, the HMI writes it when the operator picks a product. So the first scan has Product 0 and there's no 0 in Codes. Took the wra...

3 weeks ago
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RE: Kinetix 5700 axis fault excessive position error at the end of fast moves

what does feedforward do that the gain doesn't? Is it just more gain?

3 weeks ago
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RE: TIA V17 can't find the S7-1500, device not accessible, but ping works

Picked the ASIX adapter in the dropdown, the CPU turned up in the list in about two seconds, went online, downloaded fine. So the PG/PC interface was...

3 weeks ago
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RE: 1734-IB8S door switch input short to test output every time the door closes

Opened the JB properly this time. The two wires from the panel were in one crimp lug together, someone had ferruled them as a pair, and that pair sat ...

3 weeks ago
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RE: Two E-stops and one guard door, safety relay or Compact GuardLogix for a small cell

Sorry, so PLr is what the risk assessment says you need, and PL is what the circuit you built actually reaches, I think? So a relay could reach d?

3 weeks ago
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RE: No PLC at home, which free simulator is worth the hours for ladder and timers

A year ahead of you on the same road. I bought the used SLC and it sat in a drawer, RSLogix 500 isn't free and the cable was 60 more. Ok so that's my ...

3 weeks ago
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RE: 1756-EN2T racks fault 16#0203 hourly, HMI PC freezes ten seconds at a time

Sorry, why does the HMI PC see the rack traffic at all? I thought a switch only sends a packet to the port it's addressed to, that's the difference fr...

3 weeks ago
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RE: 2-wire prox keeps an S7-1200 input on with nothing in front of it

Fitted a 4.7k 2W across I0.3 and M. Target away, 2.9V, input off. Target in front, 22V, input on. Cylinder sequence runs. So it was the sensor's leak...

3 weeks ago
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