Siemens SINUMERIK 840Di Diagnostic Manual page 304

Overview of Alarms
NCK alarms
16785 Channel %1 block %2 identical spindles/axes %3
Parameters: %1 = Channel number
%2 = Block number, label
%3 = Axis name, spindle number
Definitions: A coupling has been switched on in which the following spindle/axis is identical to the master
spindle/axis.
Reaction: Correction block is reorganized.
Interface signals are set.
Alarm display.
Remedy: Please inform the authorized personnel/service department.
- Configure link accordingly in MD (channel MD: COUPLE_AXIS_n)
- or modify part program.
Program Clear alarm with NC START or RESET key and continue the program.
Continuation:
16786 Channel %1 block %2 coupling to master spindle %3 already exists
Parameters: %1 = Channel number
%2 = Block number, label
%3 = Leading spindle number
Definitions: A coupling is to be switched on, in which the slave axis is already actively coupled with the other
master axis. Only one master spindle is allowed for the synchronous spindle function. The already
active master spindle is displayed as last alarm parameter.
Reaction: Correction block is reorganized.
Interface signals are set.
Alarm display.
Remedy: Prior to switching on the new coupling, separate the existing coupling. If several master spindels/axes
are required, the ELG function will have to be used.
Program Clear alarm with NC START or RESET key and continue the program.
Continuation:
16787 Channel %1 block %2 coupling parameter not changeable
Parameters: %1 = Channel number
%2 = Block number, label
Definitions: The specified coupling is write-protected. Therefore, the coupling parameters cannot be modified.
Reaction: Interpreter stop
NC Start disable in this channel.
Interface signals are set.
Alarm display.
Remedy: Please inform the authorized personnel/service department.
- Remove write protection. Channel MD: COUPLE_AXIS_IS_WRITE_PROT
- or modify part program.
Program Clear alarm with the RESET key. Restart part program
Continuation:
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© Siemens AG, 2006. All rights reserved
SINUMERIK, SIMODRIVE Diagnostics Manual (DA), 11/2006 Edition
11/2006