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Design and Function
Solenoid locking units prevent opening of separating guards and keep
them closed as long as their is a risk of injury in the secured plant.
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 unit is to be integrated into a system and connected
with a control unit so that the hazardous machine can run only when the
guard is locked and closed.
The Key can only be inserted after a release signal was sent by the
machine control to the YRX11M solenoid locking unit. After inserting key 1
the key 2 can be extracted. The reversed procedure is also forced, i.e. the
key 2 has to be inserted befor key 1 can be extracted. Only after removing
the key is the solenoid locking activated again and the machine can be
restarted. Key and magnet position are monitored by separate contacts.
YRX11M is 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
BH 5932). The key with forced removal can be used as protection against
lock-in or for the operating release of additional units (e. g. M10A, M11A,
M12M, M10B01M) dienen.
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
rouge
24
jaunes
23
22
verte
21
12
M11408_b
Fig. 1:
Solenoid locking activated:
Magnet locked,
1st key removed,
2nd key inserted
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
rouge
24
jaunes
23
22
verte
21
12
M11414_b
Fig. 3:
Solenoid locking deactivated:
Magnet released,
Key inserted
20
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
rouge
24
jaunes
23
22
verte
21
12
M11411_b
Fig. 2:
Solenoid locking deactivated:
Magnet released,
1st key removed
2nd Key inserted
YRH11M
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
15
16
open
ouvert
The state shown in Figure 3 does not
depend on the control signal of the
magnet. If the control signal is applied
(closed-circuit current principle) and the
key is removed, the solenoid locking
changes to the state of Figure 2.
If no signal is applied and the key is
removed, the solenoid locking changes to
the state of Figure 1
SAFEMASTER STS-YRX11M / 05.12.19 en / 166A
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