Pulse Width Modulator (Pwm) - IDEC SMARTRELAY User Manual

4.4.31 Pulse width modulator (P M)
Short description
The Pulse
pulsed digital output signal. The pulse width is proportional to the analog value Ax.
Symbol in
IDEC SmartRelay
Parameter T
Note the defaults of the T parameters listed in topic Time response (Page 124).
The periodic time T can be provided by the actual value of another already-programmed
function. ou can use the actual value of the following functions:
IDEC SmartRelay Manual
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idth Modulator (P M) instruction modulates the analog input value Ax to a
iring
Input En
Input Ax
Parameter
Output
IDEC SmartRelay functions
4.4 Special functions list - SF
Description
A positive edge (0 to 1 transition) at input En enables
the P M function block.
Analog signal to be modulated to a pulsed digital
output signal.
A: gain
Range of values: -10.00 to 10.00
B: zero offset
Range of values: 10,000 to 10,000
T: periodic time over which the digital output is
modulated
p: number of decimals
Range of values: 0, 1, 2, 3
Min:
Range of values: -20,000 to 20,000
Max:
Range of values: -20,000 to 20,000
is set or reset for the proportion of each time period
according to the proportion of the standardized value
Ax to the analog value range.
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