Valve Control - wtw TresCon UNO A111 Operating Manual

Installation
RCD protective circuit
Example:
3 - 16
Example of the circuit:
C
+
Contact
U
-
Fig. 3-14 RCD protective circuit for inductive load
Component dimensioning:
0 1μF I
U
R = --- - C = ------------------------- -
I
U = 24 V, I = 2 A, R
L
R = 12 Ohm, C = 0.012
Note
Several relays can be assigned by software to the analyzer module.
The setting of the relays is described in
from 5-29.
PAGE

3.5.4 Valve control

The terminals of the valve control are required to connect an overflow
vessel with valve (see section 3.6) and to connect a permeate switch
(see section 3.7).
R
L
Load I
L
R
L
·
⋅
,
L
I
= 100 Ohm =>
µ
F
SECTION
TresCon UNO
I: Highest switching
power at the relay
U: Maximum swit-
ching voltage
I : Load current
L
D
5.3 R
ELAY FUNCTIONS
ba43134e08 05/2017