Appendix C—Optional Communication CardsPower Xpert C445 Global Motor Management Relay MN042003EN—October 2016 www.eaton.com 231Extended diagnostics frame has 10 bytes where first 4 bytesare header followed by 6 bytes fault and warning data. Forexample in above picture 0A 81 01 00 bytes are headerinformation. 1A 00 00 00 00 00 are diagnostics informationwhere 1A 00 forms a fault code word 0x001A, which meansCommunication lost with MM. 00 00 00 00 are the warningbits per Modbus register 318. When there is no fault orwarning in the system, all 6 bytes of diagnostics data willbe 0.Optional FeaturesFreeze ModeFreeze Mode is supported in the C445 PROFIBUScommunication card.Sync ModeSync Mode is supported in the C445 PROFIBUScommunication card.Fail Safe ModeFail Safe Mode is supported in the C445 PROFIBUScommunication card. On the reception of a Clear Data framefrom the Master, the C445 PROFIBUS communicationmodule outputs will go to fail safe mode–outputs disabled.