IFM Electronic Ecomat Mobile Series System Manual page 174

Smart controller
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PWM in the ecomatmobile controller
Parameters of the function inputs
Name
ENABLE
INIT
OUTPUT_CHANNEL
ACTUAL_CURRENT
DESIRED_CURRENT
PWM_FREQUENCY
DITHER_FREQUENCY
DITHER_VALUE
MODE
MANUAL
Parameters of the function outputs
Name
PWM_RATIO
174
ifm
System Manual
ecomatmobile
Data type
Description
BOOL
TRUE: function is executed
FALSE: function is not executed
BOOL
TRUE (only in the 1st cycle):
FALSE: during processing of the program
BYTE
PWM output channel (0...x: values depend on the device)
WORD
Actual current of the PWM output in [mA]; the function
OUTPUT_CURRENT (→ page 176) must be called. The
output value of OUTPUT_CURRENT is supplied to the input of
ACTUAL CURRENT.
WORD
Desired current value in [mA]
WORD
Permissible PWM frequency for the load connected to the
output
WORD
Dither frequency in [Hz]
BYTE
Amplitude of the dither value in [%]
BYTE
Controller characteristics:
0 = very slow increase, no overshoot
1 = slow increase, no overshoot
2 = minimum overshoot
3 = moderate overshoot permissible
BYTE
If value > 0, the self-optimising performance of the controller is
overwritten (typ. value: 50)
Data type
Description
BYTE
For monitoring purposes: display PWM pulse ratio 0...100%
SmartController (CR2500) V05
function initialised
Current control with PWM

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