Technical data

Diagnostics
5.3 Fault and alarm messages
Function Manual
Function Manual, 06/2012, 6SL3097-4AB10-0BP4
113
Fault and alarm classes
There are differentiated alarm messages in the cyclic telegrams between the former alarm
classes "Alarm" and "Fault". Therefore there are 3 additional levels of alarm between the
"pure" alarm and the fault.
The function permits a 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 alarm classes are described in status word ZSW2 at bit positions bit 5 - 6 (for
SINAMICS) or bit 11-12 (SIMODRIVE 611) (see also "ZSW2" in the chapter "Cyclic
Communication").
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 W_NCA alarms
= 2: Alarm class W_NCB alarms
= 3: Alarm class W_NCC alarms
ZSW2: Valid for SIMODRIVE 611 Interface Mode p2038=1 (function diagram 2453)
Bit 11 - 12 Alarm classes alarms
= 0: Alarm (former alarm level)
= 1: Alarm class W_NCA alarms
= 2: Alarm class W_NCB alarms
= 3: Alarm class W_NCC alarms
These attributes for differentiating the alarms are assigned implicitly to the appropriate alarm
numbers. The reaction to the existing alarm classes in the alarm is defined by the user
program in the higher-level control.