Mitsubishi Electric MELSEC iQ-R RD75P4, Руководство пользователя

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5 MANUAL CONTROL
5.4 Manual Pulse Generator Operation
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Operation timing and the processing time
The following shows the details on the operation timing and processing time in the manual pulse generator operation.
Normal timing time
Position control by the manual pulse generator operation
In the manual pulse generator operation, the position is moved for Manual pulse generator 1 pulse movement amount per
pulse. The current feed value in the positioning control by the manual pulse generator operation can be calculated using the
following calculation formula.
Current feed value = Number of input pulses

[Cd.20] Manual pulse generator 1 pulse input magnification

Manual pulse
generator 1 pulse movement amount
For example, when [Pr.1] Unit setting is mm and [Cd.20] Manual pulse generator 1 pulse input magnification is 2, 100 pulses
are input from the manual pulse generator and the current feed value is as follows.
100

2

0.1 = 20 (

m)
= 200 (Current feed value)
The number of pulses output actually to the drive unit is (Manual pulse generator 1 pulse movement amount/Movement
amount per pulse).
The movement amount per pulse is given by the following calculation formula.
For example, when [Pr.1] Unit setting is mm and the movement amount per pulse is 1

m, 0.1/1 = 1/10, that is, the number of
pulses output to the drive unit from the manual pulse generator per pulse is 1/10 pulse. Thus, the RD75 outputs 1 pulse to the
drive unit after receiving 10 pulses from the manual pulse generator.
t1 t2 t3 t4
0 to 0.88ms 1.7 to 30.2ms 58.6 to 87.6ms 0 to 0.88ms
[Pr.1] Unit setting mm inch degree pulse
Manual pulse generator 1 pulse
movement amount 0.1

m 0.00001inch 0.00001 degree 1 pulse
Item Symbol
[Pr.2] No. of pulses per rotation Ap
[Pr.3] Movement amount per rotation Al
[Pr.4] Unit magnification Am
Movement amount per pulse A
t1
t3
t4
t2
0 0 1 Cd.21
Md.26
Manual pulse generator input pulse
Manual pulse generator
enable flag
BUSY signal
[XC, XD, XE, XF]
Start complete signal
[X10, X11, X12, X13]
Axis operation status
Pulse output to an external source
(PULSE)
Positioning operation
Standby
Manual pulse generator operation
Standby
Start complete signal does not turn on in the manual pulse generator operation.
Movement amount per pulse (A) =
Al × Am
Ap