Fixed-Feed Operation Program - Mitsubishi Electric MELSEC Q Series User Manual

7.4.4

Fixed-feed operation program

This program executes positioning in the address increasing direction according to the specified movement amount
and speed. Execute fixed-feed operation by turning on Fixed-feed start command repeatedly. Use the current value
change function and positioning start in the absolute system. Suppose that parameter setting and OPR were
completed. ( Page 149, Section 7.4.1, Page 151, Section 7.4.2)
(1) Program detail
• As X32 is turned on, the following positioning data are written.
Positioning address P1
Da.2
Positioning speed V1
Da.3
• As X33 is turned on, the module starts fixed-feed operation.
(2) Execution condition
External I/O
signal
I/O signal
Buffer memory
Item
Check item
Servo READY signal (READY)
Stop signal (STOP)
Upper limit signal (FLS)
Lower limit signal (RLS)
QD73A1 READY signal (X1021)
BUSY signal (X1024)
Excessive error signal (X1027)
Error detection signal (X1028)
Absolute positioning start complete signal
(X1031)
Synchronization flag (X1034)
Absolute positioning start signal (Y1031)
Stop signal (Y1037)
PLC READY signal (Y103D)
Positioning data
Setting detail
20000pulse
1000pulse/s
Condition
ON
OFF
ON
ON
ON
OFF
OFF
OFF
OFF
ON
OFF
OFF
ON
When the positioning speed is set
exceeding "
No error
value", the positioning is executed
at "
CHAPTER 7 PROGRAMMING
Note


Speed limit
Pr.5
Speed limit value".
Pr.5
167
7