Diagnostics; Overview - Siemens SINAMICS V90 Getting Started

7

Diagnostics

7.1

Overview

General information about faults and alarms
The errors and states detected by the individual components of the drive system are indicated by messages.
The messages are categorized into faults and alarms.
Properties of faults and alarms
● Faults
– Are identified by Fxxxxx.
– Can lead to a fault reaction.
– Must be acknowledged once the cause has been remedied.
– Status via control unit and LED RDY.
– Status via MODBUS status word PZD1.1 (fault status).
– Entry in the fault buffer.
● Alarms
– Are identified by Axxxxx.
– Have no further effect on the drive.
– The alarms are automatically reset once the cause has been remedied. No acknowledgement is required.
– Status via Control Unit and LED RDY.
– Entry in the alarm buffer.
● General properties of faults and alarms
– Triggering on selected messages possible.
– Contain the component number for identifying the affected SINAMICS component.
– Contain diagnostic information on the relevant message.
Differences between faults and alarms
The differences between faults and alarms are shown as follows:
Type BOP display (example)
Fault
Getting Started
A5E36037886-003, 04/2017
Status indicator
Single fault Slow
flashing
in red
The first fault in the
case of multiple
faults
Non-first fault in the
case of multiple
faults
RDY COM
NONE: no reaction
- •
OFF1: servo motor
•
ramps down
OFF2: servo motor
•
coasts down
OFF3: servo motor
•
stops quickly
(emergency stop)
ENOCDER: En-
•
coder fault causes
OFF2.
Reaction Acknowledgement
POWER ON: re-power
•
on the servo drive to
clear a fault after elim-
inating its cause.
IMMEDIATELY: the
•
fault disappears im-
mediately after elimi-
nating its cause.
PULSE INHIBIT: The
•
fault can only be
acknowledged with a
pulse inhibit.
The same options are
available for acknowl-
edging as described
under acknowledg-
ment with
IMMEDIATELY.
111