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Design and Function
STS/K 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 STS/K 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.
An access can only be opened after a release signal was sent by the
machine control to the YRX10B01M/K solenoid locking unit. The actuator
can only be removed from actuator module and the access opened after
inserting the key in the key module. Optionally the second key can be
removed. The Key operation of the first key is forced. Key entry is blocked
when the door is open. The key can be removed again after the access
was closed again. 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.
YRX10B01M/K is usually used in the system in connection with additional
STS/K units and SAFEMASTER products (e.g. release by speed monitor
UH 5947, standstill monitor LH 5946 or speed/standstill monitor BH 5932).
The second key with forced removal can be used as protection against
lock-in or for the operating release of additional units.
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,
Key removed
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
Fig. 3:
Solenoid locking deactivated:
Magnet released,
Key inserted
20
SAFEMASTER STS Basic unit YRX10B01M/K / 11.01.21 en / 335A
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,
Key removed
YRH10B01M/K
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
closed
open
The state shown in Fig. 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 Fig. 2.
If no signal is applied and the
solenoid locking is inserted the
solenoid locking changes to the state
of Figure 1.
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