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M’Ax Advanced User Guide 74
Issue Number: 4 www.controltechniques.com
This parameter specifies the Pulse Reference input format.
0 - Digital Reference signals treated as Frequency and Direction.
1 - Digital Reference signals treated as Quadrature A & B signals.
2 - Digital Reference signals treated as Directional pulse input signals.
When using the pulse input, analog input cannot be used.
This parameter specifies the number of pulses per revolution for the selected Pulse reference input.
These two parameters display the 32-Bit reference position accumulator, accumulated with the input pulse
Slave Speed / Demand Ratio
Four parameters allow the user to specify the required ratio for the slave axis. These parameters are grouped in two banks (Bank 0 and Bank
1), allowing to switch in between the banks with a bit parameter. Each Bank is comprised of a numerator and denominator. The sampled
pulse counts every 250µs are multiplied by the corresponding numerator and divided by the corresponding denominator to obtain the
required ratio of Speed / Position of the slave following the pulse reference input.
13.20 Pulse reference selector
ô
0~2
ð
1 RW Uni
13.21 Reference encoder - Number of lines per revolution
ô
0 ~ 32767
ð
4096 RW Uni
13.22 Reference demand (most significant word)
13.23 Reference demand (least significant word)
ô
0 ~ 65536
ð
RO Uni
NOTE
A
B
1
0
Clockwise Counter-clockwise
Parameter = 1: Quadrature 'A' 'B' signals
13.20
In clockwise rotation 'B' lags 'A' by 90
o
In counter-clockwise rotation 'B' leads 'A' by 90
o
1
0
Parameter = 0: Frequency and directions
13.20
A
B
1
0
1
0
For clockwise rotation 'B' = 0 For counter-clockwise rotation 'B' = 1
Parameter = 2: Directional pulses
13.20
A
B
1
0
1
0
'A' pulses = clockwise rotation
B' pulses = counter-clockwise rotation
31 16 15 0
13.23 13.23
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