Weidmüller ACT20X - Page 22

22 1066540000/00/02.09
Ch an n el 1:
Ch an n el 2:
Zone 0, 1, 2, 20, 21, 22 /
Cl. I/II/III, div. 1 gr. A-G
Zone 2 / FM C l.. 1,
div. 2, gr. A-D or safe area
Power Supply
Input Signals
Output Signals
44
43
42
41
24
23
22
21
14
13
12
11
51
52
53
54
Opto +
Opto -
Opto -
Opto +
Relay
Relay
Relay
Channel 1:
N.O. or
N.C.
Relay
Channel 2:
N.O. or
N.C.
Ch. 2:
Ch. 1:
NAMUR
+
-
R
p
R
s
R
p
Mechanical
switch
Module status
Module status
Gnd. -
Supply +19.2...31.2 VDC
N.C.
NAMUR
+
-
R
p
R
s
R
p
Mechanical
switch
Illustration 7-3: Applications
Inputs
NAMUR sensor according to EN 60947-5-6
Mechanical switch with serial and parallel resistance:
Serial resistance nom. 750 Ω
Parallel resistance nom. 15 kΩ
Frequency range 0…5 kHz
Min. pulse length > 0.1 ms
Resistance nom. 1 kΩ
Trigger level, signal <1.2 mA, >2.1 mA
Trigger level, cable fault <0.1 mA, >6.5 mA