Siemens SINUMERIK 840D Series Diagnostics Manual page 547

11.02
Reactions:
Remedy:
Program Continuation:
310606
Parameters:
Definitions:
Reactions:
Remedy:
Program Continuation:
310607
Parameters:
Definitions:
 Siemens AG, 2002. All rights reserved
SINUMERIK 840D/840Di/810D Diagnostics Guide (DA) – 11.02 Edition
• CRC error: CRC error bit 7 and bit 13, meaning:
• Bit 7: 0, bit 13: 1 CRC error from SIDA-ASIC
• Bit 7:1, bit 13: 0 Control check byte error
• Bit 7: 1, bit 13: 1 Error on correction of absolute track by incremental track
• Bits 12 and 15: Zero level monitoring SSI
• Bits 14 and 15: Idle level monitoring SSI
- Mode group not ready.
- Channel not ready.
- Channel not ready.
- NC Start disable in this channel.
- NC Stop on alarm.
- The NC switches to follow-up mode.
- Alarm display.
- Interface signals are set.
• Check encoders, encoder lines and connectors between drive motor and 611D module.
Check for temporary interruptions (loose contact) caused, for example, by movements
in trailing cable. If necessary, replace the motor cable.
• Incorrect cable type
• Controller hardware not suitable for EnDat interface (e.g. control module with EPROM)
Switch control OFF - ON.
Axis %1 drive %2 external valve voltage supply failed
%1 = NC axis number
%2 = Drive number
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
- Mode group not ready.
- Channel not ready.
- Channel not ready.
- NC Start disable in this channel.
- NC Stop on alarm.
- The NC switches to follow-up mode.
- Alarm display.
- Interface signals are set.
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
Clear alarm with the RESET key in all channels of this mode group. Restart part program.
Axis %1 drive %2 valve not responding
%1 = NC axis number
%2 = Drive number
The valve is not responding to the valve slide setpoint. Cause: valve not connected or
valve has no valve slide checkback signal.
1 Alarms
1-547