Synchronous Encoder Axis Parameters - Mitsubishi Electric QD77MS User Manual

2.2.3 Synchronous encoder axis parameters

Setting item
• Set the synchronous encoder axis type
[Pr.320]
to be used.
Synchronous encoder
Fetch cycle: At power supply ON
axis type
• Set the unit of the synchronous encoder
axis.
• Set the position unit within the range
[Pr.321]
from
Synchronous encoder
• Set the speed unit within the range from
axis unit setting
1 to 10
unit/min].
Fetch cycle: At power supply ON
• Set the numerator to convert the unit
[Pr.322]
from the encoder pulse of the
Synchronous encoder
synchronous encoder axis into the
axis unit conversion:
synchronous encoder axis unit.
Numerator
Fetch cycle: At power supply ON
• Set the denominator to convert the unit
[Pr.323]
from the encoder pulse of the
Synchronous encoder
synchronous encoder axis into the
axis unit conversion:
synchronous encoder axis unit.
Denominator
Fetch cycle: At power supply ON
• Set the length per cycle of the
[Pr.324]
synchronous encoder axis.
Synchronous encoder
Fetch cycle: At power supply ON
axis length per cycle
[Pr.325]
• Set the time to smooth for the input
Synchronous encoder
value.
axis smoothing time
Fetch cycle: At power supply ON
constant
(Note-1): The range from axis 1 to 2 is valid in the 2-axis module, from axis 1 to 4 is valid in the 4-axis module, from axis 1 to 8 is valid in the
8-axis module, and from axis 1 to 16 is valid in the 16-axis module.
(Note-2): Synchronous encoder axis position units (Refer to Section 2.2.1)
Setting details
-9
1 to 10 [control unit].
-9
[control unit/s or control
Setting value
Set in decimal.
0 : Invalid
1 : Incremental synchronous
encoder
101 to 116 : Synchronous encoder via servo
amplifier
(Connectable servo amplifier:
Axis 1 to axis 16
QD77MS
[CiA402 mode]
QD77GF
201 : Synchronous encoder via CPU
Set in hexadecimal.
H
Control unit
0: mm, 1: inch,
2: degree, 3: PLS
Number of decimal places
for position
0 to 9
Speed time unit
0: second [s],
1: minute [min]
Number of decimal places
for speed
0 to 9
Set in decimal.
-2147483648 to 2147483647
[Synchronous encoder axis position
(Note-2)
units ]
Set in decimal.
1 to 2147483647 [PLS]
Set in decimal.
1 to 2147483647
[Synchronous encoder axis position
(Note-2)
units ]
Set in decimal.
0 to 5000 [ms]
2 - 21
Chapter 2 Input Axis Module
Default
value
0
(Note-1)
)
LD77MS
0003h
1
1
4000
0
j: Synchronous encoder axis No.-1
Buffer memory
address
34720+20j
34721+20j
34722+20j
34723+20j
34724+20j
34725+20j
34726+20j
34727+20j
34728+20j