Diagnostics
5.4 Fault and alarm messages
Commissioning with Startdrive
366 Commissioning Manual, 11/2017, 6SL3097-4AA10-0BP1
In the case of faults that are, for example, triggered by the Control Unit or a Terminal
Module, central functions of the drive are also often affected. As a result of propagation,
faults that are triggered by one drive object are therefore transferred to other drive objects.
This response also applies to the faults that are set in a DCC chart on the Control Unit using
a DCC block.
There are the following types of propagation:
● BICO
The fault is propagated to all active drive objects with closed-loop control functions
(infeed, drive) to which there is a BICO interconnection.
● DRIVE
The fault is propagated to all active drive objects with closed-loop control functions.
● GLOBAL
The fault is propagated to all active drive objects.
● LOCAL
The behavior of this propagation type is dependent on parameter p3116.
– With binector input p3116 = 0 (factory setting) the following applies:
The fault is propagated to the first active drive object with closed-loop control
functions.
– With binector input p3116 = 1 signal, the following applies:
The fault is not propagated.
The function permits higher-level control (SIMATIC, SIMOTION, SINUMERIK, etc.) to have
different control reactions to alarm messages from the drive.
The new statuses act as alarms for the drive, therefore there is NO immediate reaction from
the drive (like for the former level "alarm").
Information on the alarm class is described in status word ZSW2 at bit positions bit 5/6 (for
SINAMICS) (see also "ZSW2" in Chapter "Cyclic communication" for PROFIdrive
communication in the SINAMICS S120 Function Manual Drive Functions).
ZSW2: Valid for SINAMICS Interface Mode p2038 = 0 (function diagram 2454)
Bit 5 - 6 Alarm classes alarms
= 0: Alarm (former alarm level)
= 1: Alarm class A alarms
= 2: Alarm class B alarms
= 3: Alarm class C alarms
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