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Technical data
2
Technical data
2.1
Safety relay - Technical data/ wiring
The safety relay is connected to the front of the controller by means of the 4-pole plug X11. The safety
relay is equipped with a freewheeling diode and a reverse voltage protection diode.
Terminal assignment for plug X11
Data for the safety relay
3 4
3 3
K 3 2
K 3 1
34
33
K
32
K
31
Coil voltage at +20 °C
+24 V DC (+19.5 ... 36.0 V)
3 4
3 3
K 3 2
K 3 1
34
33
K
32
K
31
Coil resistance at +20 °C
823
Ω ±
10%
3 4
3 3
K 3 2
K 3 1
34
33
K
32
K
31
Switching voltage
max. 250 V AC or 200 V DC
3 4
3 3
K 3 2
K 3 1
34
33
K
32
K
31
Continuous current at max.
permissible ambient temperature
(ohmic load)
max. 1.5 A (250 V AC)
max. 1.5 A (60 V DC)
max. 0.5 A (200 V DC)
3 4
3 3
K 3 2
K 3 1
34
33
K
32
K
31
Control voltage - contact
→
coil
Control voltage - contact
→
contact
AC 1500 V
rms
for 1 min
AC 1500 V
rms
for 1 min
Wiring of plug X11
Electrical life time at rated load
~ 10
5
operating cycles
X 1 1
3 4
+
3 3
K 3 2
K 3 1
+ 5 V
D C + 2 4 V
=
K
S R
I G B T
Mechanical life time
~ 10
7
operating cycles
X 1 1
3 4
+
3 3
K 3 2
K 3 1
+ 5 V
D C + 2 4 V
=
K
S R
I G B T
X 1 1
3 4
+
3 3
K 3 2
K 3 1
+ 5 V
D C + 2 4 V
=
K
S R
I G B T
X 1 1
3 4
+
3 3
K 3 2
K 3 1
+ 5 V
D C + 2 4 V
=
K
S R
I G B T
•
Max. permissible cable cross-section = 1.5 mm
@
•
Screw tightening torque = 0.5...0.6 Nm (4.4...5.3 Ibin)
Warning!
The electrical reference point for the the safety relay coil must be connected to the PE conductor
system (DIN EN 60204-1 paragraph 9.4.3)!
This is the only way to protect the unit from earth faults.
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