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Operating Instructions
Safety Switch NZ.D.../NZ.W.../NZ.R...
DO
Chisel plunger
Contacts
open
closed
Figure 2: Travel diagrams, actuator and approach directions
Plug connector SR6
Pin assignment for male socket
(view of device side)
Terminal assignment for switching elements
ES 511/ES 528H
14
13
3
4
3
21
22
1
2
1
14
13
3
4
3
22
21
2
1
1
5
6
5
with LED indicator
Figure 3a
Figure 3: Switching elements and connector assignment
M = 1,2 Nm
Figure 4: Dimension drawing of NZ1... with cable entry and NZ2... with plug connector
WO
RK
Domed plunger
Roller plunger
small
RG
RL
Plastic roller
Extended roller
RS
plunger
Steel roller
Plug connector SR11
Pin assignment for male socket
(view of device side)
Terminal assignment for switching elements
ES 538H
SK2121H
41
42
12
7
11
4
32
31
5
21
22
2
21
22
3
12
11
1
12
11
4
21
22
2
6
M20x1,5
ES511
ES528H
0
0
1
1
2
2
3
3
4
4
6
6
mm
mm
ES511
ES528H
0
0
1
1
2
2
3
3
4
4
6
6
mm
mm
SK2131H
42
41
8
8
7
34
33
5
6
6
21
22
3
4
4
13
14
1
2
2
SK3131H
42
41
7
8
34
33
5
6
22
21
4
3
14
13
1
2
Figure 3b
55
SR6WF
6
ES538H
SK2121H
SK2131H
0
0
0
1
1
1
2
2
2
2,5
2,5
3
3
3
4
4
4
6
6
6
mm
mm
mm
ES538H
SK2121H
SK2131H
0
0
0
1
1
1
2
2
2
2,5
2,5
3
3
3
4
4
4
6
6
6
mm
mm
mm
Plug connector SVM5
Pin assignment for male socket
(view of device side)
Terminal assignment for switching elements
ES 511/ES 528H
14
13
3
4
21
22
1
2
14
13
3
4
22
21
2
1
5
6
Figure 3c
Plug
Cable diameter [mm]
16
connector
SR6
7.0 ... 9.0
SR11
8.0 ... 10.0
15,2
∅ 28
13,5
SR6EF/SR11EF
SR11WF
SK3131H
0
1
2
3
4
6
mm
SK3131H
0
1
2
3
4
6
mm
2
1
3
4
ES 538H
12
11
3
4
21
22
1
2
12
11
4
3
21
22
1
2
5
6
40
11
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