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mira88
@mira88
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Joined: Sep 15, 2025
Last seen: Sep 19, 2026
Topics: 3 / Replies: 6
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RE: S7-1500 OPC UA server connects, UaExpert shows no DB variables

Ticked. DB_Line had the accessible attribute off on the block itself, someone had unticked it when they tightened the HMI down, and every tag undernea...

54 minutes ago
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RE: Ignition MQTT Engine shows no tags, broker sees every message from the gateway

plant/line2/temp {"value": 41.2, "ts": 1757923200} Namespaces page has the Sparkplug B one enabled, nothing under Custom. And the broker log shows th...

1 hour ago
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RE: S7-1500 OPC UA, half the nodes BadNodeIdUnknown after a download that added one DB

Both, as it turns out. DB3 had the OPC UA tick off. The controls guy had copied DB3's attributes off the new weigher DB while he was tidying up the V1...

2 hours ago
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RE: S7-1500 OPC UA, half the nodes BadNodeIdUnknown after a download that added one DB

Changed the DB7 nodes to string ids and they came back straight away. DB3 is still bad in the string form though, ns=3;s="DB3".Level gives BadNodeIdUn...

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

Server status running, sessions 1 while UAExpert is on. Interface is X1, the one I'm connected to. Still nothing under DataBlocksGlobal. The certifica...

11 hours ago
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RE: S7-1500 OPC UA, half the nodes BadNodeIdUnknown after a download that added one DB

Numeric. I browsed with UaExpert when I built it and dragged the ids across. Bad one: ns=3;i=1327. Good one: ns=3;s="DB1".Speed. Hmm. I didn't notice ...

13 hours ago