Mitsubishi Electric MELSEC-L LD75P User Manual page 125

Positioning module
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(6) [Pr.6] Rotation direction setting
Set the relation of the positioning direction ([Md.20] Current feed value increment direction/decrement direction)
and the pulse output. For the relation of "Forward run pulse output, Reverse run pulse output" and "CW/A
phase/PULSE signal, CCW/B phase/SIGN signal", refer to "[Pr.5] Pulse output mode".
The following figure shows the pulse outputs of when "[Pr.5] Pulse output mode" is set to CW/CCW mode
Ex.
and the positioning with current feed value (increment direction)/(decrement direction) is executed.
Md.20
When "0: Current value increment with forward run pulse output" is set
When "1: Current value increment with reverse run pulse output" is set
When [Pr.6] has been changed from "0" to "1", check if the upper/lower limit switches operate properly by JOG operation. If
any malfunction is identified, check and correct the wiring.
Positioning with the
current feed value
(increment direction)
Current
0
0
1
2
3
4
feed value
cw
ccw
Forward run
pulse output
cw
ccw
Reverse run
pulse output
CHAPTER 5 DATA USED FOR POSITIONING CONTROL
Positioning with the
current feed value
(decrement direction)
4
4
3
2
1
0
0
Reverse run
pulse output
Forward run
pulse output
5
123

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