7 EtherCAT communication
7.11 Monitoring
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Lenze · I/O system 1000 · Reference Manual · DMS 5.0 EN · 09/2016 · TD17
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7.11 Monitoring
In the event of an error, the digital and analog outputs are switched to the FALSE state or 0 V.
Exception: Digital outputs with time stamp functionality retain the last set value.
7.12 Diagnostics
Access to diagnostic data
I/O compound modules capable of alarms automatically transmit process alarm and/or diagnostic
alarm data via the emergency telegram, provided that the alarm is activated by the parameter
setting. You can however also request diagnostic data via SDO.
Alarm status
The alarm status contains a counter for the process alarm and a counter for the diagnostic alarm for
alarm signalling. These counters are input data for the EtherCAT slave and are transferred along
with the process data.
,
When auto-acknowledge is deactivated for the EtherCAT bus coupler module, the corresponding
counter is set to 1 until you acknowledge it. To do this, write any value to subindex 0x06 using the
index assigned.
When auto-acknowledge is activated for the EtherCAT bus coupler module, here you will find the
number of process and/or diagnostic alarms which have been triggered since the last alarm reset.
To reset the corresponding counter, write any value to subindex 0x06 using the index assigned.
The following index assignment applies:
• Writing to 0x06 of index I-5000: Resets counter for process alarms
• Writing to 0x06 of index I-5002: Resets counter for diagnostics alarm
Index Subindex Name Type Attr. Default Meaning
I-F100 0x00 Interrupt
status
Unsigned8 ro 2
0x01 Hardware
interrupt
counter
Unsigned32 ro 0x00000
000
Counter for process alarm
0x02 Diagnostic
interrupt
counter
Unsigned32 ro 0x00000
000
Counter for diagnostic alarm
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