Diagnostic Telegrams; Diagnostics Without Channel Referred Information - Weidmuller SAI Active Universal Pro Series Manual

6.9

Diagnostic telegrams

Generally between diagnosis with and without channel-referred diagnosis one differentiates. Which diagno-
sis is used, in the byte 1 the user parameter see 6.7 configured.
6.9.1

Diagnostics without channel referred information

Parameter "Extended Diagnosis" Disable
This diagnosis consists of three parts:
1. Six bytes of standard diagnostics
2. 37 bytes of extended diagnostics
3. n bytes of IO-module diagnostics
Standard diagnostics
Byte 0, station status 1
Bit 0 station_non_exist
Bit 1 station_not_ready
Bit 2 cfg_fault
Bit 3 ext_diag
Bit 4 not_supported
Bit 5 invalid_slave_response
Bit 6 prm_fault
Bit 7 master_lock
Byte 1, station status 2
Bit 0 Prm_req
Bit 1 Stat_diag
Bit 2 "1"
Bit 3 WD_ON
Bit 4 freeze_mode
Bit 5 sync_mode
Bit 6 reserved
Bit 7 deactivated
5663600000/1.4/09.09
1 = station can not be reached; always "0"
1 = station is not ready for data exchange
1 = configuration error with the master
1 = extended diagnostics data is available
1 = a requested function is not supported
1 = the slave response was not valid
1 = false or incomplete parameter data
1 = parameters are from another master set - access is
locked
1 = parameter must be transmitted again
1 = diagnostic data is present
Slave always sets "1"
1 = The slave has activated the watchdog
1 = The slave has received the "freeze" control command
1 = The slave has received the "sync" control command
Slave always sets "0"
1 = set from master, slave is inactive, slave always sets "0"
Commissioning the PROFIBUS-DP
121