Please note that this block is not part of the library for the Siemens TIA
Portal.
Parameters
Parameter Declaration Data type Memory area Description
REQ IN BOOL I, Q, M, D, L Function request with REQ = 1
BUSY OUT BOOL I, Q, M, D, L Return value of the SFB 239
RET_VAL OUT WORD I, Q, M, D, L Return value of the SFB 239
12.5 Onboard I/O System 100V
12.5.1 SFC 223 - PWM - Pulse duration modulation
This block serves the parameterization of the pulse duration modulation for the last two
output channels of X5.
Please note that this block is not part of the library for the Siemens TIA
Portal.
Parameters
Parameter Declaration Type Description
CHANNEL IN INT Number of the output channel for PWM
ENABLE IN BOOL Start bit of the job
TIMEBASE IN INT Time base
PERIOD IN DINT Period of the PWM
DUTY IN DINT Output value per mille
MINLEN IN DINT Minimum pulse duration
RET_VAL OUT WORD Return value (0 = OK)
Description
VIPA SPEED7
Device Specific
Onboard I/O System 100V > SFC 223 - PWM - Pulse duration modulation
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