Kollmorgen AKD PDMM series, User Manual

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AKD PDMM User Guide | 24.8 BODE.MODETIMER
Scope (pg 103)
1.2.1.5 Bode (set command source)
1 Settings (set command source)
F126 (pg 136)
Error: Invalid Bode plot mode for this function. (pg 154) and others)
24.8 BODE.MODETIMER
General Information
Type R/W Parameter
Description
Sets the watchdog timer of the exci-
tation.
Units ms
Range 0 to 268,435,456
Default
Value
0
Data Type Integer
See Also BODE.MODE (pg 227)
Start Version M_1-03-00-000
Variants Supported
Fieldbus Information
Description
BODE.MODETIMER sets the watchdog timer for the excitation. This watchdog is used to auto-
matically turn off the excitation of the system if communication is lost. It is highly rec-
ommended that you use the watchdog for any excitation measurements. The EWV
Performance Servo Tuner and Bode tool automatically use these values, requiring no action
from you.
If the BODE.MODETIMER is a nonzero value, the Bode watchdog is enabled. BODE.MODE
will be set to 0 (None) after the BODE.MODETIMER value elapses. To reset the watchdog
timer, reset BODE.MODE to a nonzero value.
BODE.MODETIMER Comments
0 BODE.MODE is left at the value you set it to.
> 0
Uses pseudo random binary (PRB) excitation. PRB is a signal that is
/- peak amplitude, varying only in phase.
PRB excitation results in a flat excitation frequency spectrum. PRB
also results in a high peak excitation amplitude, which can help mini-
mize friction in a frequency response test.
PRB excitation repeats every (2^BODE.PRBDEPTH)/BODE.-
EXCITEGAP drive samples. This repetition can be used to reveal the
effects of friction.
Example
Disable BODE.MODETIMER:
-->BODE.MODETIMER //
Set to 0 to disable the watchdog
0
Kollmorgen™ | December 2012 230