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Design and Function
YRXKM solenoid locking units prevent opening of separating guards and
disable the closing without an enabling signal on the magnet.
Attention!
!
Hazards must be ruled out before a key can be inserted and
the movable part of the guard can then be opened!
The solenoid locking units YRXKM and YRXK01M are to be integrated
into a system and connected with a control unit so that the hazardous
machine can run only when the guard (STS-YRXK01M) is locked and
closed.
An access can only be closed and the actuator inserted in the actuator
module after a release signal was sent by the machine control to the
YRXKM and YRXK01M solenoid locking units. The movable part of the
guard can be opened and closed as long as the release signal is still
applied; Is the key not removed, the solenoid locking is not activated. The
solenoid locking is activated again once no more release signal is applied
and the guard is closed. The machine can now be restarted.
Actuator and locked position are monitored by separate contacts.
YRXK01M is usually used in the system in connection with additional
STS units and SAFEMASTER products (e.g. release by speed monitor
UH 5947, standstill monitor LH 5946 or speed/standstill monitor BH5932).
Indication
LED red:
LED yellow/green:
Magnet energized
Separately controllable
Circuit Diagrams
3
14
2
11
12
1
6
22
4
21
24
5
20
32
31
19
11
52
10
51
54
9
8
42
41
7
17
62
61
18
16
15
red
24
yellow
23
22
green
21
12
M11407_b
Fig. 1:
Solenoid locking activated:
Magnet locked, 1st key
removed, actuator and
2nd key inserted,
Door closed
3
14
2
11
12
1
6
22
4
21
24
5
20
32
31
19
11
52
10
51
54
9
8
42
41
7
17
62
61
18
16
15
red
24
yellow
23
22
green
21
12
M11413_b
Figure 3:
Switch in deactivated state:
- YRXKM:
Locking mechanism unlocked,
actuator removed
- YRXK01M:
Guard locking in deactivated
state, Key inserted,
Locking mechnism unlocked,
Actuator removed
20
SAFEMASTER STS-YRXKM, YRXK01M / 05.12.19 en / xxx
3
14
2
11
12
1
6
22
4
21
24
5
20
32
31
19
11
52
10
51
54
9
8
42
41
7
17
62
61
18
16
15
red
24
yellow
23
22
green
21
12
M11410_b
Fig. 2:
Solenoid locking deactivated:
Magnet released, optionally 1st
key insetred, actuator and key
inserted,
Door closed
YRHKM, YRHK01M
Mechanical switch
positions
Circuit diagram
3
2
3
1
6
4
6
5
19
20
11
9
11
10
7
8
17
18
De-energized
on trip
15
16
Open circuit
operation
closed
open
The state shown in Fig. 3 depends
on the control signal of the magnet.
If the control signal is applied and
the actuator is plugged in, the guard
locking falls into the state shown in
Fig. 1.
If no signal is present and the actu-
ator is plugged in, the guard locking
goes into the state shown in Fig. 2.
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