Relays As Pulse-Width Controllersl - wtw TresCon UNO A111 Operating Manual

TresCon UNO
Frequency controller
setting menu
Function
Settings
ba43134e08 05/2017
Note
The setting of the relay parameters is described in section
5.3.4 S
ETTING UP A RELAY

5.3.6 Relays as pulse-width controllersl

With the Cmin, Cmax, vmin and vmax settings, the characteristics of
the pulse-width controller are determined. The fundamentals of the
function are described in the introductory chapter (see section 5.3.2).
Setting
Cmin
Cmax
vmin/vmax
T
Action
.
Selection/Values
within the measu-
ring range (sensor-
dependent)
0 ... 99 %
1 ... 100 s
Normally closed
Normally open
Operation
Explanation
Measured value
with a minimum or
maximum pulse
width.
Note:
Minimum distance:
10% of the measu-
ring range
Minimum or maxi-
mum pulse-duty fac-
tor.
Note:
Minimum distance:
10% of the measu-
ring range
Duration of the swit-
ching period T
T = (t + t )
on off
Relay action (see
section 5.3.1)
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