Door Interlock Switches
HS1B Series Full Size Interlock Switch
HS1B features:
Rugged aluminum die-cast housing
•
Direct Opening Action: If the door is forced open, the contacts are disconnected even if
•
they are welded or stuck
Available with or without an indicator (red or green)
•
Flexible Installation: Two actuator entries and three conduit ports are provided
•
Select from two circuit confi gurations (1NO-1NC or 2NC).
•
Degree of Contact Protection: IP67
•
EN1088
EN60947-5-1
IEC60947-5-1
GS-ET-15
BG standard in Germany
Part Numbers
HS1B Series
Overview X Series E-Stops Door Interlock Switches Enabling Switches Barriers AS-Interface Safety at Work
Direct Opening Action
Body
Model
HS1B
(alum. die-cast housing)
1. The special key wrench (HS9Z-T1) for removing the cover and manual unlocking is
included with the switch.
2. Order the actuators separately (not supplied with the switch).
Contact
Confi guration
1NC-1NO
2NC
Pilot Light Part Number
Without HS1B-11R
With red LED HS1B-114R-R
With green LED HS1B-114R-G
Without HS1B-02R
With red LED HS1B-024R-R
With green LED HS1B-024R-G
Actuator Keys and Accessories
Appearance Part Number Description
HS9Z-A1
HS9Z-A2
Straight Actuator
(Mainly for sliding doors)
Right-angle Actuator
(Mainly for rotating doors)
Part Number Key
HS1B - 02 4 R - R
Indicator Color
R (Red),
G (Green)
Housing Color
R (Red)
Indicator Rated Voltage
4 (24V DC)
Blank (without indicator)
Circuit Confi guration
11: 1NO-1NC
02: 2NC
Not necessary to specify color if indicator option
not chosen.
HS9Z-A3 Adjustable Actuator
HS9Z-T1 Key Wrench (included with switch)
HS9Z-P1 Conduit Opening Plug
*Torx is a registered trademark of Camcar Textron.
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361
HS1B Series
Specifi cations
Conforming to Standards IEC60947-5-1, EN60947-5-1, GS-ET-15, UL508
Operating Temperature –25 to +70˚C (no freezing)
Storage Temperature –40 to +80˚C
Operating Humidity 85% RH maximum (no condensation)
OverviewX Series E-StopsDoor Interlock SwitchesEnabling SwitchesBarriersAS-Interface Safety at Work
Altitude 2,000m maximum
Rated Insulation Voltage (Ui) 300V (between LED and ground: 60V)
Impulse Withstand Voltage (Uimp) 4 kV (between LED and ground: 2.5 kV)
Between live and dead metal parts: 100 MΩ minimum
Insulation Resistance
Electric Shock Protection Class Class I (IEC61140)
Pollution Degree 3 (IEC60947-5-1)
Degree of Protection IP67 (IEC60529)
Vibration
Resistance
Shock Resistance 1,000 m/sec2 (approx. 100G)
Actuator Operating Speed 1 m/sec maximum
Positive Opening Travel 11 mm minimum
Positive Opening Force 20N minimum
Thermal Current (Ith) 10A
Rated Operating Current (Ie)
Operating Frequency 900 operations/hour
Mechanical Life 1,000,000 operations
Electrical Life 100,000 operations (rated load)
Conditional Short-circuit Current 100A (IEC60947-5-1)
Recommended Short Circuit Protection 250V, 10A fuse (Type D01 based on IEC60269-1, 60269-2)
Indicator
Weight Approx. 280g
Operating Extremes 10 to 55 Hz, amplitude 0.5mm p-p
Damage Limits 60 m/sec2 (approx. 6G)
Operating Voltage 24V DC
Current 10 mA
Light Source LED lamp
Lens Color Red or Green (12 mm dia. Lens)
Between live metal part and ground: 100 MΩ minimum
Between live metal parts: 100 MΩ minimum
Between terminals of the same pole: 100 MΩ minimum
Operating Voltage (Ue) 30V 125V 250V
Resistive load (AC12)
AC
Inductive load (AC15)
Resistive load (DC12)
DC
Inductive load (DC13)
10A
10A
8A4A2.2A
10A5A6A
1.1A
1.1A
0.6A
Door Interlock Switches
3A
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Door Interlock Switches
Application Examples and Circuit Diagrams
HS1B
Status 1 Status 2
Door/
Switch
Status
Door
Door Closed
•
•
Machine ready to operate
Door opened
•
•
Machine cannot be started
HS1B Series
Overview X Series E-Stops Door Interlock Switches Enabling Switches Barriers AS-Interface Safety at Work
HS1B-11
(1NO-1NC)
Circuit
Diagram
Main
Circuit
Aux.
Circuit
HS1B-02
(2NC)
Circuit
Diagram
Main
Circuit
Aux.
Circuit
1
2
Auxiliary Circuit
3
4
Main Circuit
+
-
+
-
3-4: Closed 3-4: Open
1-2: Open 1-2: Closed
1
2
Auxiliary Circuit
3
4
Main Circuit
+
-
+
-
3-4: Closed 3-4: Open
1-2: Closed 1-2: Open
1
2
3
4
1
2
3
4
Auxiliary Circuit
Main Circuit
Auxiliary Circuit
Main Circuit
1. Main Circuit: used to enable the machine to start only when the main circuit is closed.
Auxiliary Circuit: used to indicate whether the main circuit or door is open or closed.
2. Terminals + and - are used for the LED indicator, and are isolated from door status.
Wire the terminals only when needed.
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363
HS1B Series
Door Interlock Switches
Dimensions (mm)
HS1B - using the straight actuator (HS9Z-A1) HS1B - using the Right-angle actuator (HS9Z-A2)
(Horizontal Mounting)
OverviewX Series E-StopsDoor Interlock SwitchesEnabling SwitchesBarriersAS-Interface Safety at Work
Slot Plug
(Note)
(Vertical Mounting)
54.3
13.8
43
RP
42
30
9
40
22
Actuator
Actuator Cover
±1.0
6.5
30
9
224043
Actuator
Actuator Cover
2-M5 Screws
RP
68.8
4.5
42
4.5
13.8
R
2.
49.5
R2.7
36.5
10
2
4
.
7
ø5
125
125
49.5
36.5
10
2
8.5
4
5.
ø
±1.0
Conduit Port
G1/2
42
52
35
4
15
Conduit Port
G1/2
52
4
15
64
40
64
40
35
Plug the unused actuator insertion slot using the slot plug supplied with the interlock switch.
(Horizontal Mounting)
43
40
22
Actuator Cover
Slot Plug
(Note)
(Vertical Mounting)
RP
30
46.5
6
Actuator
Actuator Cover
2-M5 Screws
42
Actuator
±1.0
11
17.5
40
43
RP
30
6
4.5
42
22
4.5
61
2
R2.7
49.5
36.5
10
4
ø5.
125
125
36.549.5
10
2
R2.7
ø5.4
±1.0
19.5
11
Conduit Port
G1/2
42
52
35
4
15
Conduit Port
G1/2
52
4
15
64
40
64
40
35
Actuator Dimensions
Straight Actuator HS9Z-A1
R
2-M6
3.2
Screws
22
Actuator
Mounting
Holes
22
40
7.4
2
19.3
1
49.39
Actuator Cover
(red)
Adjustable Actuator
The actuator angle is adjustable (0˚ to 20˚) for hinged doors.
The minimum radius of the door opening can be as small as 100mm.
Actuator Angle Adjustment
Using the screw (M3 hex socket head screw), the actuator angle can be
•
adjusted (refer to the dimensional drawing). Adjustable angle: (0˚) to 20˚
Right-angle Actuator HS9Z-A2
2-M6 Screws
43
4.1
29.2
22
Actuator
Mounting
Holes
22
R3.2
Angle-adjustable Actuator HS9Z-A3
Actuator Stop
Film (attached)
43
29.2
5
20
Angle Adjustment Screw
4.1
(M3 hexagon socket head screw)
(21)
1
33 max.
12
20
11
7.4
11.5
41.5
1
40
Actuator Cover
(red)
2
90°
The larger the adjusted angle of the actuator, the smaller the applicable
•
(Note)
29.2
30
18
58
72
58
44
3.2
2
2
Door hinge
20°
R
2-M6 Screws
Actuator
Mounting Holes
radius of the door opening.
After installing the actuator, open the door. Then adjust the actuator so that
•
its edge can be inserted properly into the entry slot of the safety switch.
Recommended tightening torque: 0.8 N-m (approx. 8.0 kgf-cm)
•
After adjusting the actuator angle, apply loctite or the like to the adjustment
•
screw to prevent it from loosening.
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Door Interlock Switches
Safety Precautions
In order to avoid electric shock or a fi re, turn the power off before installation,
•
removal, wire connection, maintenance, or inspection of the switch.
If relays are used in the circuit between the safety switch and the load,
•
consider degrees of the danger and use safety relays, since welded or sticking
contacts of standard relays may invalidate the functions of the safety switch.
Operation Precautions - for all series
Regardless of door types, do not use the safety switch as a door stop. Install
•
a mechanical door stop at the end of the door to protect the safety switch
against excessive force.
Do not apply excessive shock to the switch when opening or closing the door.
•
A shock to the door exceeding 1,000 m/sec2 (approx. 100G) may cause the
•
contacts of the switch to chatter, and a malfunction of the switch may occur.
For connection of wires, unscrew the cover. Unnecessary loosening of other
•
screws may cause a malfunction of the switch.
HS5E/HS5B Precautions
For Rotating Head Directions
•
The heads of the HS5E/HS5B can be rotated in 90° increments after removing
the 4 screws on the corners of the head. Prevent entry of foreign objects into
the switch during removal of the head. Tighten these screws with torque
designated in the instruction sheet. Improper torque may cause errors.
Precautions
Do not place a PLC in the circuit between the safety switch and the load. The
•
safety security can be endangered in the event of a malfunction of the PLC.
Do not disassemble or modify the switch. It may cause a breakdown or an
•
accident.
Prevent foreign objects such as dust and liquids from entering the switch
•
while connecting conduit or wiring.
If the operating atmosphere is contaminated, use a protective cover to
•
prevent the entry of foreign objects into the switch through the actuator entry
slots.
Entry of a considerable amount of foreign objects into the switch may affect
•
the mechanism of the switch and cause a breakdown.
Do not store the switches in a dusty, humid, or organic-gas atmosphere.
•
Note: Because deviation or dislocation of hinged doors may occur in actual
applications, make sure of the correct operation before installation.
When using the HS9Z-A52 Actuator
•
When the door hinge is on the extension line of the interlock switch surface:
Overview X Series E-Stops Door Interlock Switches Enabling Switches Barriers AS-Interface Safety at Work
Head can be rotated.Factory Setting
Minimum Radius of Hinged Doors
When using the interlock switch on hinged doors, refer to the minimum radius
•
of doors shown below. When using on doors with small minimum radius, use
the angle adjustable actuator (HS9Z-A55).
HS2B Precautions
Wire Connection
The HS2B has 3 conduit ports, which are closed as a part of the molded
•
switch housing.
Make an opening for wire connection by breaking one of the conduit-port
•
knockouts on the switch housing using a screwdriver.
Minimum Radius
Minimum Radius
170 mm
Door Hinge
•
When door hinge is on the extension line of the actuator mounting surface:
Minimum Radius
230 mm
Door Hinge
•
Cracks or burrs on the conduit entry may deteriorate the housing protection
190 mm
Door Hinge
Minimum Radius
260 mm
Door Hinge
against water.
•
When changing to another conduit port, close the unused opening with an
optional plug (Part No. HS9Z-P1).
When breaking the conduit port, take care not to damage the contact block or
•
other parts inside the switch.
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397
Precautions
Door Interlock Switches
HS1E Precautions
Wire Connection
•
Make an opening for wire connection by breaking one of the conduit-port
knockouts on the switch housing using a screwdriver.
OverviewX Series E-StopsDoor Interlock SwitchesEnabling SwitchesBarriersAS-Interface Safety at Work
•
Before breaking the knockout, temporarily remove the connector-fi xing lock
nut from the switch.
•
When breaking the knockout, take care not to damage the contact block or
other parts inside the switch.
•
Cracks or burrs on the conduit entry may deteriorate the housing protection.
•
When changing to the other conduit port, close the unused opening with an
optional plug (accessory).
Plug
Type No. HS9Z-P1
Manual Unlocking
Remove the screw located on the unlocking entry at the side of the switch us-
•
ing the key wrench included with the switch. Then insert a small screwdriver
into the switch to push the lever inside of the switch toward the indicator
until the actuator is unlocked (refer to the diagram on the right).
1. This unlocking method is intended for an escape from a machine when a person is
locked in. For access to the unlocking entry, an access hole should be opened on the
mounting panel. When opening the hole, apply proper protection against water or other
foreign objects.
2. Caution: After the unlocking operation, put the screw back into the unlocking entry
for safety.
Unlock
Manual Unlocking Position
Screwdriver
M5
Unlock
Normal Position
89
26
23.5
Insert a small screwdriver into the elliptical hole on the back of the switch,
•
then push the lever inside of the switch toward the indicator until the actuator
is unlocked (refer to the diagram on the right).
HS1C Precautions
Regardless of door type, do not use the safety switch as a locking device.
•
Install a locking device independently, for example, using a metal latch (also
applicable to HS1E).
The safety switch cover can be only removed with the special key wrench
•
supplied with the switch or with the optional screwdriver (also applicable to
HS1B and HS1E).
Remove the screw located on the unlocking entry at the side of the switch us-
•
ing the key wrench included with the switch. Then insert a small screwdriver
into the switch to push the lever inside of the switch toward the indicator
until the actuator is unlocked (refer to the diagram on the right).
Caution: After the unlocking operation, put the screw back into the unlocking
entry for safety.
Screwdriver
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Door Interlock Switches
Precautions
Operation Precautions
Applicable Crimping Terminals
(Refer to the Crimping Terminal 1 or 2 shown in the drawing below.)
•
HS1C
•
Terminals No. 1 to 6: Use solid or stranded wires only (crimping terminals
not applicable).
Terminals No. 7 and 8: Crimping Terminal 1
Ground Terminal: Crimping Terminal 2
HS1B
•
Ground Terminal: Crimping Terminal 2
Other Terminals: Crimping Terminal 1
HS2B, HS5B, and HS1E
Crimping Terminal 1
3.6 min.
ø3.6 min.
Crimping Terminal 1
Use an insulation tube on the crimping terminal.
3.5 max.
6.9 max.
Approx. 4mm
Wire
Insulation Tube
3.5 min.
ø4.1 min.
Crimping Terminal 2
Crimping Terminal
3.8 max.
7.6 max.
Applicable Connectors (As shown below)
•
Use connectors which maintain the IP67 protection.
•
Applicable Connector Dimensions
•
Flex Conduit: VF03 (Japan Flex) www.nipolex.co.jp
•
Steel Connector (G1/2): ALC-103
(PF13.5): RBC-103PG13.5
G1/2
9 mm max.
Recommended Screw Tightening Torque
HS1C: 5.0±0.5 N-m (approx. 50±5 kgf-cm)
•
(4 or 6 pcs of M5 hex socket head cap screws)
HS1B: 5.0±0.5 N-m (approx. 50±5 kgf-cm)
•
(2 or 4 pcs. of M5 hex socket head cap screws)
HS2B: 5.0±0.5 N-m (approx. 50±5 kgf-cm)
•
(2 pcs of M5 hex socket head cap screws)
HS5B: 4.0±0.4 N-m (approx. 40±4 kgf-cm)
•
(2 pcs of M4 hex socket head cap screws)
HS1E: 5.0±0.5 N-m (approx. 50±5 kgf-cm)
•
(4 or 6 pcs of M5 hex socket head cap screws)
30 mm
max.
Overview X Series E-Stops Door Interlock Switches Enabling Switches Barriers AS-Interface Safety at Work
Installation Examples (see the diagrams below)
Mounting on Sliding Doors
Door
HS9Z-A1 Actuator
Door Stop
Mounting on Hinged Doors
Latch
HS9Z-A2 Actuator
HS9Z-A1 Actuator
Actuator (HS9Z-A1/A2)
•
5.0±0.5 N-m (approx. 50±5 kgf·cm)
(2 pcs. of M6 hex socket head cap screws)
•
Actuator (HS9Z-A51/A52)
2.0±0.2 N-m (approx. 20±2 kgf·cm)
•
(2 pcs of M4 hex socket head cap screws)
1.0±0.2 N-m (approx. 10±2 kgf·cm)
•
(2 pcs of M4 Phillips screws)
The screws are supplied by the user.
Applicable Wire Size
HS1C: 0.5 to 0.75 mm2 (Terminals No.1, 2, 5 to 8)
•
1.0 to 1.25 mm2 (Terminals No.3, 4, and grounding terminal)
HS5B: 0.5 to 1.25 mm2
•
HS1E: 0.5 to 1.25 mm2
•
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399
Precautions
Actuator Angle Adjustment
Using the screw (M3 hex socket head screw), the actuator angle can be
•
adjusted (refer to the dimensional drawing). Adjustable angle: (0˚) to 20˚
The larger the adjusted angle of the actuator, the smaller the applicable
•
radius of the door opening.
OverviewX Series E-StopsDoor Interlock SwitchesEnabling SwitchesBarriersAS-Interface Safety at Work
Minimum Radius of Hinged Door
When using the interlock switch on hinged doors, refer to the minimum radius
•
of doors shown below. When using on doors with small minimum radius, use
the angle adjustable actuator (HS9Z-A55).
Note: Because deviation or dislocation of hinged doors may occur in actual applications, make sure
of the correct operation before installation.
When using the HS9Z-A52 Actuator
•
When the door hinge is on the extension line of the interlock switch surface:
Minimum Radius
Minimum Radius
170 mm
190 mm
Door Interlock Switches
After installing the actuator, open the door. Then adjust the actuator so that
•
its edge can be inserted properly into the entry slot of the safety switch.
Recommended tightening torque: 0.8 N-m (approx. 8.0 kgf-cm)
•
After adjusting the actuator angle, apply loctite or the like to the adjustment
•
screw so as to prevent its loosening.
Horizontal Swing
Minimum Radius
50 mm
Door Hinge
Vertical Swing
Minimum Radius
70 mm
Door Hinge
Door Hinge
•
When door hinge is on the extension line of the actuator mounting surface:
Minimum Radius
230 mm
Door Hinge
Minimum Radius
Door Hinge
260 mm
Door Hinge
When using the HS9Z-A55 Angle Adjustable Actuator
When door hinge is on the extension line of the interlock switch surface:
•
50 mm
When door hinge is on the extension line of the actuator mounting surface:
•
70 mm
Applicable Cable Glands
Use a cable gland with a degree of protection IP67
G1/2, PG13.5, M20
9 max.
When Using Flexible Conduits (Example)
Flexible conduit example: VF-03 (Nihon Flex)
Conduit Port Size Plastic Cable Gland Metal Cable Gland
G1/2 — RLC-103 (Nihon Flex)
PG13.5 — RBC-103PG13.5 (Nihon Flex)
M20 — RLC-103EC20 (Nihon Flex)
30 max.
all dimensions in mm
Minimum Radius
50 mm
Door Hinge
Minimum Radius
70 mm
Door Hinge
Actuator Angle Adjustment for the HS9Z-A55
Using the angle adjustment screw, the actuator angle can be adjusted (see
•
fi gures on page 370. Adjustable angle: 0 to 20°
The larger the adjusted angle of the actuator, the smaller the applicable
•
radius of the door opening.
After installing the actuator, open the door. Then adjust the actuator so that
•
its edge can be inserted properly into the actuator entry slot of the interlock
switch.
After adjusting the actuator angle, apply Loctite to the adjustment screw so
•
that the screw will not loosen.
When Using Multi-core Cables (Example)
Conduit Port Size Plastic Cable Gland Metal Cable Gland
G1/2 SCS-10*
PG13.5 ST13.5
M20 ST-M20X1.5
Different cable glands are used depending on the cable sheath outside diameter. When
•
purchasing a cable gland, confi rm that the cable gland is applicable to the cable sheath
outside diameter.
When using a 1/2-14NPT cable gland, use the HS5B interlock switch with M20 conduit
•
port (Part No.: HS5B-***BM) together with an adapter (Part No.: MA-M/NPT 20X1.5
5402-0110, K-MECS) and a gasket (Part No.: GP M20, K-MECS). Install a gasket between
the interlock switch and the adapter. Apply sealing tape between the cable gland and
the adapter to make sure of IP67 protection for the enclosure.
(Seiwa Electric)
(K-MECS)
(K-MECS)
ALS-16**
(Nihon Flex)
ABS-**PG13.5
(Nihon Flex)
ALS-**EC20
(Nihon Flex)
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