Programming Your Application 1-77
690+ Series Frequency Inverter
Functional Description
The registration loop works using an Instantaneous Registration technique. The error in counts
is measured between master and slave marks. This error is then added to the slave position to
correct the error. The correction is applied using a move function to limit disturbance to the
machine. Ideally the move should be completed before the next mark pair is due.
The correction is limited to ± nominal length / 2.
VELOCITY
Range: 0.10 to 300.00 %
The maximum velocity in % (of PHASE CONFIGURE::MAX SPEED) /s that the correction
will be applied.
ACCELERATION
Range: 0.01 to 3000.00 %
The maximum acceleration/deceleration in % (of PHASE CONFIGURE::MAX SPEED) /s²
that the correction will be applied.
CORRECTION GAIN
Range: -100.00 to 100.00 %
This gain is used to stabilise the correction applied. The correction distance is :
error x correction gain
Note that setting a gain of 0.00% disables the operation of the register loop.
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