Forum

northbay
@northbay
Trusted Member
Joined: Jun 10, 2025
Last seen: Sep 22, 2026
Topics: 6 / Replies: 36
Reply
RE: 1756-EN2T drops to 16#0204 a few times a shift since the module swap

Glad it wasn't the wire. Every spare on our shelf has its last address taped to it now.

2 weeks ago
Reply
RE: New FactoryTalk View ME app runs on the laptop, no live values on the PanelView Plus

A path to a controller, and it has two of them, which is the bit that gets everybody once. Communication Setup in View Studio has a Design (Local) ta...

3 weeks ago
Reply
RE: 1756-EN2T drops to 16#0204 a few times a shift since the module swap

Before you go chasing panels I'd put a mirror on the EN2T port and watch what the link actually does when the clean starts. Ten seconds that heals its...

3 weeks ago
Reply
RE: 1734-AENTR display keeps restarting and the Point I/O drop faults a few times a shift

That's the catalogue number going past, not a code. Video it on your phone and play it back slow.

3 weeks ago
Reply
3 weeks ago
Reply
RE: Logix UDT member added, Kepware tags and the MSG on the other PLC read shifted values

Line 3 faulted and nobody rang you. That's the bit I'd worry about.

3 weeks ago
Reply
RE: S7-1500 OPC UA connection refused from the office subnet, works from the plant

IT added TCP 4840, office host to the CPU, one line. The Kepware OPC UA Client driver went to connected inside a minute, 900 tags, no BadConnectionClo...

3 weeks ago
Reply
RE: KEPServerEX 6 S7-1500 items on DB5 return address out of range, DB1 reads fine

Did it at the Sunday stop. Snapshot to start values, compile, download, and the counter kept its value. Every DB5 item Good quality on Monday morning....

3 weeks ago
Reply
RE: KEPServerEX reads S7-1200 tags as Bad quality, channel shows connected

PUT/GET was unticked, that was the whole of it. Ticked it under Connection mechanisms, downloaded, and all 30 tags went Good on the next 1000 ms poll,...

3 weeks ago
Reply
RE: 1756-EN2T faulted, 16#0204 connection request error after weekend power outage

Set the switches to 020 and cycled the rack on lunch break. EN2T came up scrolling 192.168.1.20, rack went green in a few seconds, packer running. So...

3 weeks ago
Reply
RE: 1756-EN2T off the network after IT enabled port security, switch port err-disabled

The shut and no shut clears the violation, not the sticky entry. The old MAC is still in the running config, so the next link up fails the same way. I...

3 weeks ago
Reply
RE: Ignition to KEPServerEX OPC UA, BadCertificateHostNameInvalid from the server room only

Then the box has no primary DNS suffix set in Windows, so a reissue has nothing to build the long name from. System Properties, Computer Name, Change,...

3 weeks ago
Reply
RE: All four OPC DA links to the historian died the same morning after Windows updates

RSLinx Classic wants the setting on its own box as well, we had to do both ends for ours. The vendor server on the compressor might be too old to do P...

3 weeks ago
Reply
RE: EtherNet/IP I/O drops 16#0204 about five minutes after every switch reboot

Watch the 525s. They're first to drop when a group gets pruned.

3 weeks ago
Reply
RE: KEPServerEX 6 S7-1500 items on DB5 return address out of range, DB1 reads fine

Unticked it on the laptop and went to download. TIA warns DB5 gets reinitialised on download and the actual values go with it. Line's running and the ...

3 weeks ago
Page 1 / 3