Справочник Пользователя для Mitsubishi Electronics QD75MH2
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MELSEC-Q
1 PRODUCT OUTLINE
1.1.5 Outline design of positioning system
The outline of the positioning system operation and design, using the QD75MH, is
shown below.
shown below.
(1) Positioning system using QD75MH
PLC
CPU
QD75MH
Read,
write
and
etc.
write
and
etc.
OS
Positioning command
Control command
Monitor data
Positioning command
Control command
Monitor data
External input signal
of servo amplifier
Control command
Monitor data
External input signal
of servo amplifier
Positioning
control
control
Speed
control
control
Current
control
control
Inverter
Current feedback
Speed feedback
Position feedback
Interface
Servo
motor
motor
M
PLG
EMI (Forced stop input signal)
FLS (Upper limit signal)
RLS (Lower limit signal)
CHG (External command signal/switching signal)
STOP (Stop signal)
DOG (Near-point dog signal)
FLS (Upper limit signal)
RLS (Lower limit signal)
CHG (External command signal/switching signal)
STOP (Stop signal)
DOG (Near-point dog signal)
External input signal (Refer to Section 3.4.2)
Manual puse generator
A-phese/B-phese
A-phese/B-phese
SSCNET
S
S
C
N
E
T
S
C
N
E
T
I
F
Interface
-
+
-
+
-
+
-
+
MR-J3-B
FLS (Upper limit signal)
RLS (Lower limit signal)
DOG (Near-point dog signal)
RLS (Lower limit signal)
DOG (Near-point dog signal)
External input signal of servo amplifier (Refer to MR-J3-B
Instruction manual)
Instruction manual)
S
S
C
N
E
T
S
C
N
E
T
I
F
:Either the QD75MH or servo amplifier can be designated as the
external input signal .(Refer to Section 5.2.3 Detailed parameters 1)
external input signal .(Refer to Section 5.2.3 Detailed parameters 1)
Fig. 1.2 Outline of the operation of positioning system using QD75MH