Mitsubishi Electric D75D4, User Manual

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MELSEC-Q
3 SPECIFICATIONS AND FUNCTIONS
POINT
Set the parameters, " Pr.5 Pulse output mode" and " Pr.23 Output signal logic selection", in accordance
with the specifications of a connected servo amplifier. If not, the motor may rotate in the opposite direction or
may not rotate at all.
Connection examples with a MELSERVO-J3 series servo amplifier are shown below.
Open collector connection (QD75P )
Pr.5 Pulse
output mode
QD75P
( Pr.23 Output
signal logic
selection (bit0))
Logic of
MR-J3- A
servo amplifier
24VDC
PULSE F
PULSE COM
PULSE R
PULSE COM
OPC
DOCOM
PP
NP
SD
MR-J3- A
servo amplifier
QD75P
CW/CCW
Negative logic Negative logic
Positive logic Positive logic
PULSE/SIGN
Negative logic Negative logic
Positive logic Positive logic
A phase/
B phase
Negative logic Negative logic
Negative logic Positive logic
Positive logic Negative logic
Positive logic Positive logic
Differential driver connection (QD75D )
Pr.5 Pulse
output mode
QD75D
( Pr.23 Output
signal logic
selection (bit0))
Logic of
MR-J3- A
servo amplifier
PULSE F+
PULSE F-
PULSE R+
PULSE R-
PP
PG
NP
SD
MR-J3- A
servo amplifier
QD75D
NG
CW/CCW
Negative logic Positive logic
Positive logic Negative logic
PULSE/SIGN
Negative logic Positive logic
Positive logic Negative logic
A phase/
B phase
Negative logic Negative logic
Negative logic Positive logic
Positive logic Negative logic
Positive logic Positive logic