Siemens SINUMERIK 840Di Diagnostic Manual page 781

11/2006
310606 Axis %1 drive %2 external valve voltage supply failed
Parameters: %1 = NC axis number
%2 = Drive number
Definitions: The external 26.5 V supply is monitored for undervoltage in the closed-loop control.
Check the monitoring criteria:
- Voltage range (average) 26.0 V to 27.0 V
- Ripple factor 240 mVss
- No voltage failures
Reaction: Mode group not ready.
The NC switches to follow-up mode.
Channel not ready.
NC Start disable in this channel.
Interface signals are set.
Alarm display.
NC Stop on alarm.
Channel not ready.
Remedy: The external 26.5 V supply is monitored for undervoltage in the closed-loop control.
Check the monitoring criteria:
- Voltage range (average) 26.0 V to 27.0 V
- Ripple factor 240 mVss
- No voltage failures
Program Clear alarm with the RESET key in all channels of this mode group. Restart part program.
Continuation:
310607 Axis %1 drive %2 valve not responding
Parameters: %1 = NC axis number
%2 = Drive number
Definitions: The valve is not responding to the valve slide setpoint. Cause: valve not connected or valve has no
valve slide checkback signal.
Reaction: Mode group not ready.
The NC switches to follow-up mode.
Channel not ready.
NC Start disable in this channel.
Interface signals are set.
Alarm display.
NC Stop on alarm.
Channel not ready.
Remedy: - Valve without valve slide checkback signal: Modify MD 5530: reset bit 2
- Check the valve connection.
Program Clear alarm with the RESET key in all channels of this mode group. Restart part program.
Continuation:
© Siemens AG, 2006. All rights reserved
SINUMERIK, SIMODRIVE Diagnostics Manual (DA), 11/2006 Edition
Overview of Alarms
SIMODRIVE alarms
2-781