Siemens SINUMERIK 840D Diagnostics Manual page 373

10.04
Definitions:
Reactions:
Remedy:
Program Continuation:
26022
Parameters:
Definitions:
 Siemens AG, 2004. All rights reserved
SINUMERIK 840D/840Di/810D Diagnostics Guide (DA), 10.04 Edition
Error during initialization of encoder (refer to additional information for absolute encoder
interface from error fine coding).
The alarm can be reprogrammed in the MD ALARM_REACTION_CHAN_NOREADY
(channel not ready).
- Mode group not ready.
- The NC switches to follow-up mode.
- Channel not ready.
- NC Start disable in this channel.
- Axes of this channel must be re-referenced.
- Interface signals are set.
- Alarm display.
- NC Stop on alarm.
- Channel not ready.
Please inform the authorized personnel/service department. Rectify hardware error,
replace encoder if necessary. Make sure that an appropriate control module supporting
this function is available with EnDat or SSI absolute encoders.
Bit nos. and their significance:
Bit 0: Lighting failed
Bit 1: Signal amplitude too small
Bit 2: Position value incorrect
Bit 3: Overvoltage
Bit 4: Undervoltage
Bit 5: Overcurrent
Bit 6: Battery change necessary
Bit 7: Control check error, Note: SW 4.2 and higher, synchronous linear motor
Bit 8: EnDat encoder, incorrect overlapping, Note: SW 4.2 and higher, synchronous linear
motor
Bit 9: C/D track error on encoder ERN1387 or EQN encoder connected or incorrectly con-
figured (not on EQN, MD 1011)
Bit 10: Log cannot be aborted or old hardware
Bit 11: SSI level detected on data line or no encoder connected or incorrect encoder cable
(ERN instead of EQN)
Bit 12: Timeout while reading measuring value
Bit 13: CRC error
Bit 14: Wrong IPU submodule for direct measuring signal, Note: Only with 611D expan-
sion
Bit 15: Encoder faulty
Note: If an axis that is connected to the second measuring system of a controller module
611D only, is driven by an absolute encoder, the axis with the first measuring system of
this controller module will have to be switched to Parking Axis, after the measuring sys-
tem connector has been plugged in and prior to disabling the Parking Axis. After the Park-
ing Axis of the first measuring system has been disabled, all measuring systems of the
controller module will be initialized. The Parking Axis of the second measuring system can
then be disabled without errors.
Switch control OFF - ON.
Axis %1 encoder %2 measurement with simulated encoder not possible
%1 = NC axis number
%2 = Encoder number
Alarm occurs on the control when a measurement was made without the encoder hard-
ware (simulated encoder).
1 Alarms
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