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kiran_s
@kiran_s
Trusted Member
Joined: Feb 18, 2025
Last seen: Sep 22, 2026
Topics: 7 / Replies: 41
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RE: TIA V17 can't find the S7-1500, device not accessible, but ping works

Then the search is on the wrong card. In the Go online dialog, open the PG/PC interface dropdown and pick the ASIX adapter, the one with the cable in ...

3 weeks ago
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RE: S7-1500F F-DI channel stays at substitute value 0 after the fault is gone

ACK_NEC is TRUE, default I think, nobody's changed it since we set the station up on V17. ACK_REQ is also TRUE right now, since the fault cleared. The...

3 weeks ago
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RE: Upload from S7-300 has no symbols or comments, only absolute addresses

Do you have the panel project, or the panel itself? An MP277 or similar has a tag list with names against the same addresses, which gives you most of ...

3 weeks ago
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RE: S7-1500 OPC UA server connects, UaExpert shows no DB variables

Someone tightening the HMI and taking OPC UA with it. Nice catch.

3 weeks ago
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RE: S7-1500 time-of-day one hour off after DST, RD_SYS_T and the Comfort panel disagree

Set the time zone and the DST rule in the CPU properties, swapped RD_SYS_T for RD_LOC_T, removed the +1 hour, downloaded this morning from V17. PLC st...

3 weeks ago
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RE: TIA V17 refuses to open the OEM project, "created with a newer version", OEM says V17

Asked them. They're on V17 Update 6. So the update level matters as well as the version? Their screenshot only said V17.

3 weeks ago
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RE: Node-RED OPC UA client to S7-1500 fails with BadSecurityChecksFailed, None policy works

Two things I'd check. Does the CPU have the OPC UA runtime licence, the SIMATIC OPC UA S7-1500 one? I've read it isn't enforced technically but I'm no...

3 weeks ago
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RE: KTP700 Basic, TIA V16 transfer fails with no connection to device, panel answers ping

Then that's your answer. The panel takes a transfer in two cases: it's sitting in the Start Center, or the runtime's running and remote transfer is en...

3 weeks ago
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RE: S7-1500 time-of-day one hour off after DST, RD_SYS_T and the Comfort panel disagree

It keeps the time over a power off, so this isn't a reset. It's exactly one hour, and only since the clocks went forward. NTP is fine as well, the CPU...

3 weeks ago
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RE: S7-1500 OPC UA server connects, UaExpert shows no DB variables

V17 here as well. Is the server actually running on the CPU? Online & diagnostics, OPC UA, "Server status" should say running and the session coun...

3 weeks ago
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RE: TP1200 Comfort transfer from TIA V17 fails, project not compatible with device version

Direct cable, Wi-Fi off, Update operating system ran through in about eight minutes. Panel rebooted to the Start Center showing image V17. Transferred...

4 weeks ago
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