Industry Online Support
Technical Forum
12/16/2014 10:06 AM | |
Joined: 8/14/2012 Last visit: 9/12/2024 Posts: 38 Rating: (4) |
hi every one i use modbus tcp block in my program and when i tried in sample project every thing is ok but when i do that in my original program i have internal fault in my cpu but that work correctly i wanna solve internal fault i read same topic but this is different this is report Diagnostic buffer Diagnostic buffer of module CPU 414-4 H Order No./ Description Component Version 6ES7 414-4HM14-0AB0 Hardware 1 - - - Firmware V 4.5.3 Boot Loader Firmware expansion V 4.5.0 Rack: 0 Slot: 3 Serial number: SVPA5320904 Settings: Time including CPU/local time difference (0 h) Event 1 of 2979: Event ID 16# 2522 Area length error when reading Instance DB, bit access, Access address: 0 FB number: 1733 Module address: 5272 Requested OB: Programming error OB (OB121) Priority class: 1 Internal error, Incoming event 12:12:24.529 PM 12/16/2014 Event 2 of 2979: Event ID 16# 2522 Area length error when reading Instance DB, bit access, Access address: 0 FB number: 1733 Module address: 5208 Requested OB: Programming error OB (OB121) Priority class: 1 Internal error, Incoming event 12:12:24.529 PM 12/16/2014 and fb 1733 is required block for modbus tcp and that name is MODB4H best regards --------- New subject after splitting from Area length error when writing. |
Last edited by: Min_Moderator at: 12/16/2014 3:00 PMSplitted |
|
Follow us on