PROFIBUS Diagnostic Telegrams
38 C441 PROFIBUS Module User Manual MN042002EN—July 2015 www.eaton.com
C440 Overload Protection Relay
Table 27. C440 Diagnostic Telegram
Byte Bit Description Ext Diag Bit
1 0 Diag.station: Station does not exist (set by Master) Default Diagnostic Data
1 Diag.station_not_ready: Station is not ready for data exchange
2 Diag.cfg_fault: Configuration data does not agree
3 ext.Diag: Slave has high priority extended diagnostic data
4 Diag.not_supported: Requested function is not supported
5 Diag.invalid_slave_response: Sets slave to 0, fixed
6 Dig.prm_fault: incorrect parameterization
7 Diag.master_lock: Slave is parameterized by different master
2 0 Diag.prm_req: Slave has to be re-parameterized Default Diagnostic Data
1 Diag.stat_diag: Static diagnosis
2Fixed at 1
3 Diag.WD_on: Threshold monitoring activated
4 Diag.freeze_mode: Freeze command received
5 Diag.sync_mode: Sync command received
6 Reserved
7 Diad.deactivateed (sets master)
3 0–6 Reserved Default Diagnostic Data
7 Diag.ext_overflow
4 — Master address after parameterization (FF before parameterization) Default Diagnostic Data
5 — Ident number (MSB) Default Diagnostic Data
6 — Ident number (LSB) Default Diagnostic Data
7 — Header byte – Device Data Extended Diagnostic Data
0 Length of User Ext Diagnostic Data
1 Length of User Ext Diagnostic Data
2 Length of User Ext Diagnostic Data
3 Length of User Ext Diagnostic Data
4 Length of User Ext Diagnostic Data
5 Length of User Ext Diagnostic Data
6 0 = Device Data
7 0 = Device Data
8 0 1 = Adapter Connected; 0 = Adapter Not Connected F/S Extended Diagnostic Data
1 Reserved
2 1 = Adapter Married S/S
3 Reserved
4 Reserved
5 Reserved
6 Reserved
7 Reserved
9 8–15 Reserved Extended Diagnostic Data
10 16–23 Reserved Extended Diagnostic Data
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