Case Where The Same Servo Program Is Executed Repeatedly - Mitsubishi Electric A173UHCPU Programming Manual

6. SERVO PROGRAMS FOR POSITIONING CONTROL
6.5.3

Case where the same servo program is executed repeatedly

The general concept for a program that executes repeated positioning control in
accordance with the same servo program is indicated in Figure 6.7.
Start request
2)
1)
Completion request
The applications of 1) to 4) are indicated below.
1): SVST instruction execution request flag (devices that can be used: Y, M, L, S, B, F)
2): Start accept flag (set a number of flags corresponding to the number of axes
designated in the servo program)
3): Axis No. designated in the servo program
4): Started servo program No. (K0 to K4095)
Fig 6.7 Sequence Program For Starting a Servo Program
1)
SET
SVST 3) 4)
1)
RST
6 − 17
When the start request comes ON,if
the designated axis is not in motion, a
request to execute a SVST
instruction is issued.
Servo program start request issued in
ressponse to SVST instruction.
When the SVST insutruction request
comes ON, the device set at 1) is
reset.