Honeywell SYA14 Series Manual page 435

GK Solenoid Safety Interlock Switch
Figure 7: Modes of Operation for 1NO - 1NC Configuration
Sequence 1
Protective Guard Open
Condition
Hazardous Motion
Absent
Key Actuator Unlocked
Safety Circuit Open
Solenoid State:
Mechanical Lock
Off
Solenoid Lock
Off
L1
Mechanical Lock
Circuitry
S2
S1
21 22 21 22
S1 = Safety Switch
S2 = Monitor Switch
Green
1
1-5 = PCB Terminal
S1 S2
Strip
13 14 13 14
13-14, 21-22 = Switch
Terminals
4
Solenoid
Dashed Line = Internal
Switch Cavity
L1
Solenoid Lock
Circuitry
S1 S2
13
21 22 14
S1 = Safety Switch
S2 = Monitor Switch
Green
1
1-5 = PCB Terminal
S1 S2
Strip
13 14 21 22
13-14, 21-22 = Switch
Terminals
4
Solenoid
Dashed Line = Internal
Switch Cavity
Green LED Off
Red LED
On
Figure 8: Terminal Strip
Key
1. Green LED
2. Red LED
3. Ground
4. Solenoid
5.
Solenoid
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2
Closed
Absent
Locked
Closed
Off
On
L2 L1
Safety Circuit Safety Circuit
S1 S2
21 22 21 22
L
Monitor Circuit
Monitor Circuit
Green
3
3
L 1
Red Red
S1 S2
2 2
13 14 13 14
Release Signal Release Signal
5 5
4
Solenoid
L2 L1
Safety Circuit S1 S2 Safety Circuit
13
21 22 14
L
Monitor Circuit Monitor Circuit
Green
3 3
L 1
Red Red
S1 S2
2 2
13 14 21 22
Lock Signal
5 5
4
Solenoid
On
Off
3
Closed
Present
Locked
Closed
Off
On
L2 L1 L2
S1 S2 Safety Circuit
21 22 21 22
L
L
Monitor Circuit
Green
3
1
L
L
Red
S1 S2
2
13 14 13 14
Release Signal
5
4
Solenoid
L2 L1 L2
S1 S2 Safety Circuit
21 22 13 14
L L
Monitor Circuit
Green
3
L 1 L
Red
S1 S2
2
13 14 21 22
Lock Signal Lock Signal
5
4
Solenoid
On
Off
Honeywell • MICRO SWITCH Sensing and Control 6
ISSUE 2 PK 81591
4
Closed
Unknown
Locked
Closed
Off
On
L1 L2 L1
S1 S2 Safety Circuit S1
21 22 21 22 21
L
Monitor Circuit
Green
3
1 L
Red
S1 S2 S1
2
13 14 13 14 13
Release Signal
5
4 4
Solenoid
L1 L2 L1
S1
S1 S2 Safety Circuit
21
13
21 22 14
L
Monitor Circuit
Green
3
1 L
Red
S1
S1 S2
13
2
13 14 21 22
Lock Signal
4
5
4
Solenoid
On
Off
5
Open
Absent
Unlocked
Open
On
Off
L2
S2 Safety Circuit
22 21 22
L
Monitor Circuit
Green
3
1 L
Red
S2
2
14 13 14
Release Signal
5
Solenoid
L2
Safety Circuit
S2
22 13 14
L
Monitor Circuit
Green
3
1 L
Red
S2
2
14 21 22
Lock Signal
5
Solenoid
Off
On