Start Program - Mitsubishi A1SD75M3 User Manual

6 SEQUENCE PROGRAM USED FOR POSITIONING CONTROL

6.5.3 Start program

PLC CPU
1) Set the "positioning start No." in " Cd.11 Positioning start No." according to the control to
be started.
(In the above example, set positioning data No. "1".)
2) Input the positioning start signal [Y10, Y11, Y12] or the external start signal.
3) The positioning data No. "1" will start.
Interface
signal
External
signal
Monitor
data
This program is used to start the control with start commands.
The control can be started with the following two methods.
(1) Starting by inputting positioning start signal [Y10, Y11, Y12]
(2) Starting by inputting external start signal
1)
1
1150
2)
ON
Y10
Fig. 6.2 Procedures for starting control
Starting conditions
When starting, the following conditions must be satisfied. The program must be
configured by adding the required conditions into the sequence program so that
the operation does not start until the conditions are satisfied.
Signal name
All axes servo ON signal ON Servo operation possible
PLC READY signal
AD75 READY signal
Axis stop signal
Start complete signal
BUSY signal
Error detection signal
M code ON signal
Stop signal
Upper limit (FLS)
Lower limit (RLS)
Servo ON
Buffer memory
3)
Control with
positioning data
No. 1
*
Input/output signal
Signal state
ON PLC CPU preparation completed
OFF AD75 preparation completed
OFF Axis stop signal is OFF
OFF Start complete signal is OFF
OFF BUSY signal is OFF
OFF There is no error
OFF M code ON signal is OFF
OFF Stop signal is OFF
ON Within limit range
ON Within limit range
ON Servo ON is ON
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MELSEC-A
Servo amplifier
When starting positioning with the scan
after the completion of positioning,
insert X1 as an interlock so that
positioning is started after Y10 is turned
OFF and X1 is turned OFF.
Axis 1 Axis 2 Axis 3
Y13
X1
X4
XA
XD
Md.116 Servo status:
b1
Device
Y15
Y1D
X0
Y14 Y1C
X2 X3
X5 X6
XB XC
XE XF
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–
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