Mitsubishi Electric FR-A700 Technical Manual page 277

2.11.3 Position control by the inverter pulse train input [Pr. 419, 428 to 430]
Simple position pulse train command can be input by pulse train input to terminal JOG and sign signal (NP).
[Pr. ] Name
Position command source
419
selection
Command pulse
428
selection
429
Clear signal selection
Pulse monitor
430
selection
(1) Operation overview [Pr. 419 = 2]
Turning ON the servo on signal (LX) cancels the
output shut-off and the operation ready signal (RDY)
turns ON after 0.1s. Turning ON the STF (forward
stroke end signal) or STR (reverse stroke end signal)
Forward stroke end (STF)
Reverse stroke end (STR)
Operation ready completion (RDY)
Inverter pulse train command
Sign signal (NP)
In-position (Y36)
(2) Pulse train form type selection (NP signal) [Pr. 428]
1) Set [Pr. 419 = 2] (simple pulse train position
command). In this case, terminal JOG serves as
simple position
regardless of [Pr. 291 Pulse train I/O selection].
2) Set "68" in [Pr. 178 to 189 Input terminal function
selection] to assign simple position pulse train sign
(NP).
3) Select command pulse train using [Pr. 428].
[Pr. 428]
Command Pulse Train Form
Setting
Negative
0 to 2
logic
Positive
3 to 5
logic
4) Select vector control, then select position control.
Initial Value
0
0
1
9999
Forward rotation
Actual rotation
Reverse rotation
Base signal
Servo on (LX)
0.1s
pulse train input terminal
Pulse train + rotation
direction sign
Pulse train + rotation
direction sign
Setting Range
Simple position control function by contact input.
0
(position command by parameter settings)
Pulse train position command by programmable
1
controller positioning unit (when FR-A7AL installed)
Simple pulse train position command by inverter pulse
2
train input
0 to 2
Pulse train + rotation
direction sign
3 to 5
Deviation counter is cleared at edge of turning ON of
0
the clear signal (CLR) from OFF.
1 Deviation counter while the clear signal (CLR) is ON
The status of various pulses during running are
0 to 5
displayed.
9999 Frequency monitor is displayed.
runs the motor according to the commanded pulse.
When the forward (reverse) stroke end signal turns
OFF, the motor does not run in that direction.
At Forward Rotation At Reverse Rotation
311
PARAMETER
A700
(A700)
Description
Negative logic
Positive logic
2