3. Instruction Set
3-147
66. There is no limitation on the times of using this instruction in the program. However, only 4
instructions can be executed at the same scan time. When several pulse output instructions
(PLSY, PWM, PLSR) use Y1 as the output device in the same scan cycle, PLC will execute
pulse output according to the driven order of these instructions.
67. Set value falls out of the available range of operands will be automatically corrected with the
min. or max available value.
Program Example:
68. When X0 = ON, PLSR performs pulse output on Y0 with a target speed of 1000Hz, output
pulse number D10 and ramp up/down time of 3000ms. Ramp up process begins to increase
1000/20 Hz in every shift and every shift outputs D10/40 pulses for 3000/20 ms.
69. When X0 = OFF, the output stops immediately and starts from the count value in D1030,
D1031 when PLSR is executed again.
70. Ramp up/down shifts for Y0, Y2: 20. Ramp up/down shifts for Y1, Y3: 10
X0
PLSR K1000 D10 K3000 Y0
Pulse speed(Hz)
Target speed:1000 Hz
Time(Sec)
Ramp down time
3000ms
Ramp up time
3000ms
16-bit instruction:1~32,767
32-bit instruction:1~2,147,483,647
11
22
33
44
55
66
7 7
......
19
19
20 20
Output pulses
20-shifts20-shifts
Frequency
increased/decreased
in every shift:
1000/20 Hz
Explanations on associated flags and registers:
71. Description on associated flags:
For M1029, M1030, M1102, M1103, M1078, M1079, M1104, M1105, M1538, M1539, M1540,
M1541, M1347, M1348, M1524, M1525, please refer to PLSY instruction.
M1108: Y0 pulse output pause (ramp down). ON = pause, OFF = resume
M1109: Y1 pulse output pause (ramp down). ON = pause, OFF = resume
M1110: Y2 pulse output pause (ramp down). ON = pause, OFF = resume
M1111: Y3 pulse output pause (ramp down). ON = pause, OFF = resume
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