Mitsubishi Electric Q172DSCPU, Programming Manual

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5 - 34
5 INPUT AXIS MODULE
5.3.3 Synchronous encoder axis parameters
Symbol Setting item Setting details Setting value Fetch cycle
Default
value
Device No.
Pr.320
Synchronous encoder
axis type Set the synchronous encoder
axis type to be used.
0 : Invalid
1 to 12 : Synchronous encoder
Pn (Synchronous
encoder No.: 1 to 12)
201 : Via device
0 —
Pr.321
Synchronous encoder
axis unit setting
• Set the unit of the synchronous
encoder axis.
• Set the position unit within the
range from 1 to 10
-9
[control
unit].
• Set the speed unit within the
range from 1 to 10
-9
[control
unit/s or control unit/min].
• Set in hexadecimal.
Number of
decimal places
0 to 9
H
Control unit
0: mm
1: inch
2: degree
3: PLS
Speed time unit
0: sec
1: min
Number of
decimal places
for speed
0 to 9
0003h —
Pr.322
Synchronous encoder
axis unit conversion:
Numerator
Set the numerator to convert the
unit from the encoder pulse of the
synchronous encoder axis into
the synchronous encoder axis
unit.
-2147483648 to 2147483647
[Synchronous encoder axis
position units]
(Note-1)
1 —
Pr.323
Synchronous encoder
axis unit conversion:
Denominator
Set the denominator to convert
the unit from the encoder pulse of
the synchronous encoder axis
into the synchronous encoder
axis unit.
1 to 2147483647 [PLS] 1 [PLS] —
Pr.324
Synchronous encoder
axis length per cycle Set the length per cycle of the
synchronous encoder axis.
1 to 2147483647
[Synchronous encoder axis
position units]
(Note-1)
4000 —
Pr.325
Synchronous encoder
axis smoothing time
constant
Set the time to smooth for the
input value.
0 to 5000 [ms]
At power
supply ON
0 [ms] —
Pr.326
Synchronous encoder
axis phase
compensation
advance time
Set the time to advance or delay
the phase. -2147483648 to 2147483647
[
μ s]
Operation
cycle
0 [ μ s]
10n
10n
Pr.327
Synchronous encoder
axis phase
compensation time
constant
Set the time constant to affect the
phase compensation.
0 to 65535 [ms] 10 [ms] —
Pr.328
Synchronous encoder
axis rotation direction
restriction
Set this parameter to restrict the
input travel value to one direction.
0: Without rotation direction
restriction
1: Enable only for current value
increase direction
2: Enable only for current value
decrease direction
At power
supply ON
0 —
(Note-1): Synchronous encoder axis position units (Refer to Section 5.3.1)