Outline Design Of Positioning System - Mitsubishi A1SD75M3 User Manual

1 PRODUCT OUTLINE

1.1.4 Outline design of positioning system

PLC CPU
Read,
write,
etc.
The outline of the positioning system operation and design, using the AD75, is shown
below.
AD75
Position/speed
command
S
S
Control
C
command
N
OS
E
Monitor data
T
I
/
F
Interface
Fig.1.2 Outline of the operation of positioning system using AD75
Servo amplifier corresponding SSCNET (refer to section 2.2)
+
Position
S
control
-
S
C
Position/speed
N
command
E
Control command
T
Monitor data
I
/
SSCNET
F
External input signals (refer to section 3.5.3)
FLS (Upper limit)
RLS (Lower limit)
CHG (Speed/position changeover)
STOP (Stop command)
STRT (External start)
DOG (Near-point dog)
1 - 10
+
+
Speed Current
Inverter
control control
-
-
Current feedback
Speed feedback
Interface
Position feedback
MELSEC-A
Servomotor
M
PLG