Article - CS305862
Error message: CIP Error=0x04 in PTC Kepware Products
Modified: 08-Jul-2025
Applies To
- ThingWorx Kepware Server (legacy) 8.0 to 6.18
- Kepware Server (formerly KEPServerEX) 5.20.396.0 to 6.18
Description
- Allen-Bradley ControlLogix Ethernet driver returns CIP0x04 when trying to read a tag within KEPServerEX / ThingWorx Kepware Server
- Omron NX102 controller tags show Bad quality in OPC QuickClient
- Error indicator CIP error = 0X4 in event log
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