Siemens SINUMERIK 840C Diagnostics Guide

04/96
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Siemens AG 2001 All rights reserved 6FC5198–jAB40
1–16
SINUMERIK 840C / SIMODRIVE 611–D (DA)
72 Too many fictitious axes POWER ON
S At POWER ON or warm restart
S Interlocking of NC START
S Interlocking of Mode Group Ready
S Interlocking of NC Ready relay
S Machining stops
More fictitious axes than are permitted were defined in axis-specific machine data bits 564* during installation.
Correct axis-specific machine data bits 564*.
73 Axis preset in wrong mode group POWER ON
S At POWER ON or warm restart
S Interlocking of NC START
S Interlocking of Mode Group Ready
S Interlocking of NC Ready relay
S Machining not possible
At start-up, an incorrect assignment of NC machine data was made or the assignment of axis selector switch with
2 machine control panels is incorrect or a wrong axis is set in the program.
Check and correct NC machine data “Axis valid in mode group”.
S Correct program
S POWER ON
74 Too many drives POWER ON
S At POWER ON or warm restart
S Interlocking of NC START
S Interlocking of Mode Group Ready
S Interlocking of NC Ready relay
S Machining stops
S Surplus axes do not appear in the service display
The total number of spindles and real axes defined during installation is greater than permitted.
Correct axis-specific machine data bits 564* and spindle-specific machine data bits 521*.
75 Max. number of meas. circuits exceeded POWER ON
S At POWER ON or warm restart
S Interlocking of NC START
S Interlocking of Mode Group Ready
S Interlocking of NC Ready relay
S Machining stops
S Surplus axes do not appear in the service display
Output of alarm if too many axes and spindles are defined.
Reduce the number of axes (MD 564*) and spindles (MD 512*).
Axes/spindles that are not assigned to a measuring circuit are included in the number of measuring circuits.
77 Mode group no. of axis invalid POWER ON
S At POWER ON
S Interlocking of NC START
S Interlocking of Mode Group Ready
S Interlocking of NC Ready relay
S Interlocking of machining
Check and correct machine data for axis assignment and spindle assignment.
S Check and correct machine data for “Axis valid in mode group”
S Perform POWER ON
Scan
Effect
Explanation
Remedy
Scan
Effect
Explanation
Remedy
Scan
Effect
Explanation
Remedy
Scan
Effect
Explanation
Remedy
Note
Scan
Effect
Explanation
Remedy
1 Alarms
1.5.1 Alarm description

Siemens SINUMERIK 840C Specifications

General

Brand	Siemens
Model	SINUMERIK 840C
Category	Control Unit
Language	English