Chapter 7 Usage of Various Functions
7-95
5) PWM output (PWM)
Available device Flag
Instruction
M P K L F T C S D
#D integer
No. of
steps Error
(F110)
Zero
(F111)
Carry
(F112)
S ○
SV1 ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
SV2 ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
7 ○
S Ch. for PWM output(0~1)
SV1 PWM output period( 1 ~ 20000)[ms]
Error
(F110)
Error flag turns on when designating area is over
and the instruction isn’t executed
SV2 Off Duty(0 ~ 100%)
■ PWM S SV1 SV2
(1) Functions
• When input condition turns on, Output pulses which have period as SV1.
• Duty ratio of pulses is assigned by SV2.
• When input condition turns off, PWM operation stops
(2) Example program
• When input condition turns on, Output pulses as below
PWM PWM(Pulse Width Modulation) output
Desi
g
nation
Fla
g
set
450ms 50ms
500ms
Positioning Ch 1(P41)
Input condition
(
M0000
)