Mitsubishi Electric LD77MH, User Manual

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4 - 44
Chapter 4 Synchronous Control
4.5.2 Output axis parameters
Setting item Setting details Setting value
Default
value
Buffer memory
address
[Pr.438]
Cam axis cycle unit
setting
• Set the units for the cam axis length per
cycle.
• There is no influence on the control for the
parameter for monitor display.
Fetch cycle: At start of synchronous control
Set in hexadecimal.
H
Control unit
0: mm, 1: inch,
2: degree, 3: PLS
Number of decimal places
0 to 9
Unit setting selection
0: Use units of
main input axis
1: Use units of
this setting
0000h 36470+200n
[Pr.439]
Cam axis length per
cycle
• Set the required input amount with the
cam per cycle.
Fetch cycle: At start of synchronous control
Set in decimal.
1 to 2147483647
[Cam axis cycle units
(Note-1)
]
QD77MS/
QD77GF/
LD77MS:
4194304
LD77MH:
262144
36472+200n
36473+200n
[Pr.440]
Cam No.
• Set the cam No.
Fetch cycle: At start of synchronous control,
At passing through the 0th
point of cam data
Set in decimal.
0 : Linear cam (Preset)
1 to 256 : User created cam
0 36474+200n
[Pr.441]
Cam stroke amount
• Set the cam stroke amount corresponding
to the stroke ratio 100% for cam with
stroke ratio data format.
• This is ignored for cams using the
coordinate data format.
Fetch cycle: At start of synchronous control,
At passing through the 0th
point of cam data
Set in decimal.
-2147483648 to 2147483647
[Output axis position units
(Note-2)
]
QD77MS/
QD77GF/
LD77MS:
4194304
LD77MH:
262144
36476+200n
36477+200n
[Pr.444]
Cam axis phase
compensation
advance time
• Set the time to advance or delay the
phase of the cam axis.
Fetch cycle: Operation cycle
Set in decimal.
-2147483648 to 2147483647 [ μ s]
0
36482+200n
36483+200n
[Pr.445]
Cam axis phase
compensation
time constant
• Set the time constant to affect the phase
compensation of the cam axis.
Fetch cycle: At start of synchronous control
Set in decimal.
0 to 65535 [ms]
(Note-3)
10 36484+200n
[Pr.446]
Synchronous control
deceleration time
• Set the deceleration time for the
synchronous control.
Fetch cycle: At start of synchronous control
Set in decimal.
0 to 65535 [ms]
(Note-3)
0 36485+200n
[Pr.447]
Output axis smoothing
time constant
• Set to smooth the output axis.
Fetch cycle: At start of synchronous control
Set in decimal.
0 to 5000 [ms]
0 36486+200n
n: Axis No.-1
(Note-1): Cam axis cycle units (Refer to Section 4.5.1)
(Note-2): Output axis position units (Refer to Section 4.5.1)
(Note-3): Set the value as follows in a program.
0 to 32767 ................... Set as a decimal
32768 to 65535 ........... Convert into a hexadecimal and set