Parker ac890 - Page 510

Programming D-114
890CS Common Bus Supply - Frames B & D; 890CD Common Bus Drive and 890SD Standalone Drive - Frames B, C & D
Parameter Descriptions
OUTPUT
PREF: 121.10
Def
ault: —.xxxx Hz
Range:
—.xxxx Hz
This diagnostic shows the total output (PID Output + Spd Feedforward).
FOLLOWING ERROR
PREF:
121.13
Default:
—.xxxx deg
Range:
—.xxxx deg
This diagnostic shows the absolute maximum position loop error over a 1 second per
iod.
LIMITING
PREF: 121.12
Default: FALSE
Range: FALSE / TRUE
This diagnostic is TRUE if the PID output has reached the Limit value.
PID OUTPUT
PREF: 121.09
Default:
—.xxxx Hz
Range:
—.xxxx Hz
This diagnostic shows the output of the position loop PI lo
op only.
SPD FEEDFORWARD
PREF: 121.08
Default:
—.xxxx Hz
Range:
—.xxxx Hz
This diagnostic shows the Speed Feedforward from other blocks, e.g. inertia compensation.
POSIT
N INTEGRAL
PREF: 121.06
Default:
—.xxxx deg
Range:
—.xxxx deg
This diagnostic shows
the value of the position loop integral.
POSITION ERROR
PREF: 121.05
Default:
—.xxxx deg
Range:
—.xxxx deg
This diagnostic shows the instantaneous position error.
POSN LOOP RSPONS
PREF: 121.04
Default:
—.x ms
Range:
—.x ms
This diagnostic shows the no
minal response time of the position loop.