Mitsubishi A1SD75M3

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MELSEC-A
1 PRODUCT OUTLINE
1.1.4 Outline design of positioning system
The outline of the positioning system operation and design, using the AD75, is shown
below.
Interface
OS
Position/speed
command
Control
command
Monitor data
S
S
C
N
E
T
I
/
F
S
S
C
N
E
T
I
/
F
Position
control
Speed
control
Current
control
Inverter
Interface
Position feedback
Speed feedback
Current feedback
+
-
Read,
write,
etc.
PLC CPU AD75 Servo amplifier corresponding SSCNET (refer to section 2.2) Servomoto
r
Position/speed
command
Control command
Monitor data
External input signals (refer to section 3.5.3)
SSCNET
M
PLG
+
-
+
-
FLS
RLS
CHG
STOP
STRT
DOG
(Upper limit)
(Lower limit)
(Speed/position changeover)
(Stop command)
(External start)
(Near-point dog)
Fig.1.2 Outline of the operation of positioning system using AD75