PLCXGT-ProtocolVerified · sol.ls-electric.com
XGT-Protocol 0x0004 — Variable length error
Warning — monitor
CAUSE
Why does it occur?
Variable length exceeds the max size / device area exceeded
REMEDY · Step by step
How to fix it?
Check the P2P block / frame settings
Do not reset repeatedly before identifying the cause. Repeated resets while ignoring a trip/alarm can cause secondary damage (IGBT failure, motor winding damage, etc.).
SOURCE
Related manual page
Verified · sol.ls-electric.com
Open PDF ↗XGB Cnet I/F XBL-C21A User Manual V2.0 (Eng)
Appendix 3.1 XGT Server Error Code · p.211 · V2.0