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Guard Lock Safety-door Switch
D4BL
Protective Doors Are Locked Until Machines Completely Stop Operating
* A mechanical lock is applied automatically when the Operation Key is inserted. A high level of safety is achieved using a mechanism where the lock is only released when voltage is applied to the solenoid. * Conforms to EN (TUV) standards corresponding to the CE marking. * Approved by UL, CSA, BIA, and SUVA standards. * The switch contact is opened by a direct opening mechanism (NC contacts only) when the protective cover is opened. Direct opening mechanism that is EN-approved is indicated by on the switch. * Auxiliary release key ensures easy maintenance and unlocks the door in the case of a power failure. * Tough aluminum die-cast body incorporating a switch box with degree of protection satisfying IP67, UL, and CSA TYPE6P, 13. * Equipped with a horizontal and vertical conduit opening. * Models incorporating easy-to-see indicators for monitoring and those using an adjustable Operation Key for a double door are available. * The mounting direction of the head can be changed to allow the Operation Key to be inserted from four directions. * Metric conduit types available
Model Number Structure
Model Number Legend
Switch D4BL 1 2 3 4
5
1. Conduit Size (2-conduit) 1: PG13.5 2: G1/2 3: 1/2-14NPT 4: M20 2. Built-in Switch (with Safety Switch and Lock Monitor Switch Contacts) C: 1NC/1NO (slow-action) + 1NC (slow-action) D: 2NC (slow-action) + 1NC (slow-action) 3. Head Mounting Direction R: Four mounting directions possible (right-side mounting at shipping)
4. Door Lock and Release (Auxiliary Release Key is Incorporated by All Models) A: Mechanical lock/24-VDC solenoid release B: Mechanical lock/110-VAC solenoid release G: 24-VDC Solenoid lock/Mechanical release 5. Indicator Blank: Without indicator A: 10 to 115 VAC or VDC driving (with orange and green LED indicator unit)
Operation Key (Order Separately) D4BL - K
1
1. Operation Key Type 1: Horizontal mounting 2: Vertical mounting 3: Adjustable mounting (Horizontal)
D-136
Safety Sensors / Components
Ordering Information
List of Models
Switches
Lock method Conduit size PG13.5 Mechanical G1/2 lock M20 Solenoid lock Pg 13.5 G1/2 M20 Voltage for solenoid 24 VDC 110 VAC 24 VDC 110 VAC 24 VDC 110 VAC 24 VDC 24 VDC 24 VDC Without indicator 1NC/1NO+ 1NC (Slow-action) D4BL-1CRA D4BL-1CRB D4BL-2CRA D4BL-2CRB D4BL-4CRA D4BL-4CRB D4BL-1CRG D4BL-2CRG With LED indicator 1NC/1NO+ 1NC (Slow-action) D4BL-1CRA-A D4BL-1CRB-A D4BL-2CRA-A D4BL-2CRB-A D4BL-4CRA-A D4BL-4CRB-A D4BL-1CRG-A D4BL-2CRG-A D4BL-4CRG-A Without indicator 2NC+ 1NC (Slow-action) D4BL-1DRA D4BL-1DRB D4BL-2DRA D4BL-2DRB D4BL-4DRA D4BL-1DRG D4BL-2DRG With LED indicator 2NC+ 1NC (Slow-action) D4BL-1DRA-A D4BL-1DRB-A D4BL-2DRA-A D4BL-2DRB-A D4BL-4DRA-A D4BL-1DRG-A D4BL-2DRG-A
Operation Keys (Order Separately)
Mounting type
Horizontal mounting
Model
D4BL-K1
Vertical mounting
D4BL-K2
D4BL-K3
Specifications
Approved Standards
Agency TUV Rheinland Standard EN60947-5-1 File No.
R9451050 (Direct opening: approved)
Standards and EC Directives
Conforms to the following EC Directives: Machinery Directive Low Voltage Directive EN1088
BIA SUVA UL CSA
GS-ET-19 SUVA UL508 CSA C22.2, No.14
Mechanical lock: 9402293 Solenoid lock: 1998 20462-01 E6186/2.d E76675 LR45746
D4BL
D-137
D4BL
Adjustable mounting (Horizontal)
Approved Standard Ratings
TUV (EN60947-5-1)
Item Utilization category Rated operating current (Ie) Rated operating voltage (Ue) Standard model Indicator model AC-15 AC-15 3A 6A 250 V 115 V
Use a 10-A fuse type gI or gG that conforms to IEC269 as a short-circuit protection device.
UL/CSA (UL508, CSA C22.2 No. 14)
A300
Rated voltage 120 VAC 240 VAC Carry current 10 A 60 A 30 A Current Make 6A 3A Break Make 7,200 VA 720 VA Volt-amperes Break
Note: The UL/CSA approved rating for products with indicators (-A) is 6 A/115 VAC.
Characteristics
Degree of protection Durability (See note 3.) Operating speed Operating frequency Rated frequency Operating characteristics IP67 (See note 2.) Mechanical:1,000,000 operations min. Electrical:500,000 operations min. (10-A resistive load at 250 VAC) 0.05 to 0.5 m/s 30 operations/min max. 50/60 Hz Direct opening force:19.61 N min. (EN60947-5-1) Direct opening travel:20 mm min. (EN60947-5-1) All stroke:23 mm min. 700 N min. (GS-ET-19) 100 MW min. (at 500 VDC) 300 V (EN60947-5-1)
Holding force Insulation resistance Rated insulation voltage (Ui) Conventional enclosed thermal current 10 A (EN60947-5-1) (Ithe) Impulse dielectric strength (Uimp) 4 kV (EN60947-5-1) between terminals of different polarity, between each terminal and ground, and between each terminal and non-current-carrying metal Dielectric strength (Uimp) part; 2.5 kV between solenoid and ground (EN60947-5-1) Conditional short-circuit current 100 V (EN60947-5-1) Pollution degree 3 (EN60947-5-1) (operating environment) Protection against electric shock Class I (with ground terminal) Switching overvoltage 1,500 V max. (EN60947-5-1) Contact resistance 50 mW max. (initial value) Vibration resistance Malfunction: 10 to 55 Hz, 0.35-mm single amplitude Destruction:1,000 m/s2 min. (IEC68-2-27) Shock resistance Malfunction:300 m/s2 min. (IEC68-2-27) Ambient temperature Operating:-10C to 55C (with no icing) Ambient humidity Operating:95% max. Weight Approx. 800 g
Note: 1. The above values are initial values. 2. Although the switch box is protected from dust, oil or water penetration, do not use the D4BL in places where dust, oil, water, or chemicals may penetrate through the key hole on the head, otherwise Switch damage or malfunctioning may occur. 3. The durability is for an ambient temperature of 5C to 35C and an ambient humidity of 40% to 70%.
D-138
Safety Sensors / Components
Solenoid Coil Characteristics
Item Rated operating voltage Current consumption Insulation 24-VDC mechanical lock models 110-VAC mechanical lock models 24-VAC solenoid lock models 24 VDC +10%/-15% (100% ED) 110 VAC 10% (50/60 Hz) 24 VDC +10%/-15% (100% ED) Approx. 300 mA Approx. 98 mA Approx. 300 mA Class F (130C or less)
Indicator Characteristics
Item Rated voltage Current leakage Color (LED) 10 to 115 VAC/VDC Approx. 1 mA Orange, green LED
Contact Form (Diagrams Show State with Key Inserted and Lock Engaged)
Model Contact
31 32 11 23 12 24
o
Diagram
Lock position ON Stroke Operation Key insertion completion position Extraction completion position
Remarks
Only NC contacts 11-12 and 31-32 have an approved direct opening mechanism. The terminals 11-12 and 23-24 can be used as unlike poles. NC contacts 11-12, 21-22, and 31-32 have an approved direct opening mechanism. The terminals 11-12 and 21-22 can be used as unlike poles.
D4BL-#C##-#
1NC/ 1NO+1NC
31
32 11 21
12 22
Lock position ON Stroke Operation Key insertion completion position
D4BL-#D##-#
2NC+1NC
Extraction completion position
Note: The EN-approved direct opening mechanism is indicated by
on the switch.
D4BL
D-139
D4BL
Connections
Indicator Unit
Dimensions
Four terminal plates Two, 7 dia. Two LED indicators (7)
(16) 26.8 53.2 57.2 (16) 0.3 5.6 (35) 26.2 (61.2) 2 10.6 (12.6)
Internal Circuit
10 to 115 VAC/DC R
ZD R
LED
Constant-current diode
Circuit Connection Example
* Do not connect the indicators to the safety contact terminals (1112-31-32) or the safety circuit side. * When using indicators, connect them to the auxiliary circuit side (monitor circuit) or the solenoid input terminals as shown below. * The indicators can be used to confirm the open/closed status of the door, the ON/OFF status of the power supply, and the ON/OFF status of the solenoid. * Do not connect the indicators in parallel with the direct opening contact. If the indicators are broken, a short-circuit current may flow, causing equipment to malfunction. * The 24-VDC solenoid terminals have polarity. Confirm the polarity before wiring. * Be sure to use a special pushbutton switch to stop and start machinery and release locks.
1. Orange: Lights when the solenoid turns ON. Green: Lights when the door opens.
(Power supply side)
2. Orange: Lights when the solenoid turns ON. Green: Lights when power turns ON.
(Power supply side)
E1 (+) 11 12 31 32 11 12 31 32
E1 (+)
Solenoid
23 24 E2 (-) 23 24
Solenoid
E2 (-)
LED (orange)
LED (orange)
LED (green)
LED (green)
Auxiliary circuit (monitor circuit)
Safety circuit
(Ground side)
Auxiliary circuit (monitor circuit)
Safety circuit
(Ground side)
3. Orange: Lights when the solenoid turns ON. Green: Lights when door closes.
(Power supply side)
4. Orange: Lights when the solenoid turns ON. Green: Lights when power turns ON.
(Power supply side)
E1 (+) 11 12 31 32 11 12 31 32
E1 (+)
Solenoid
21 22
LED (orange)
Solenoid
E2 (-) 21 22
LED (orange)
E2 (-)
LED (green)
LED (green)
Auxiliary circuit (monitor circuit)
Safety circuit
(Ground side)
Auxiliary circuit (monitor circuit)
Safety circuit
(Ground side)
D-140
Safety Sensors / Components
Nomenclature
D4BL-#C##-#
Operation Key Lock plate Auxiliary release key Lock monitor switch Solenoid Rotating drum Operation plunger Seal ring (NBR) Auxiliary plunger Seal packing (NBR) Rotating lever
D4BL-#D##-#
Operation Key Lock plate Auxiliary release key Lock monitor switch Solenoid Rotating drum Operation plunger Seal ring (NBR) Auxiliary plunger Seal packing (NBR) Rotating lever
Safety switch
Safety switch
Seal packing (NBR) Conduit opening Conduit opening (Pull out (Pull out horizontally) vertically)
Seal packing (NBR)
Conduit opening Connection (Pull out terminal M3.5 horizontally)
Ground terminal M3.5
Connection terminal M3.5
Ground terminal M3.5
Conduit opening (Pull out vertically)
Dimensions
Note: 1. All units are in millimeters unless otherwise indicated. 2. Unless otherwise specified, a tolerance of 0.4 mm applies to all dimensions.
Switches
D4BL-####-#
(116.5) Red 15 10 7 Lock protection cap Four, 5.3 dia. mounting holes Four, M4 cover clamping screws Cover 1000.1 112+1 0 Indicators 5.5 16 39.6
46.3
Four, M3.5 head clamping screws 31.5 17
34.2
37.5
(123.5) 740.1
86+1 0
6.8 Conduit opening
Conduit opening
Operating Characteristics D4BL-#### Key insertion force 19.61 N max. Key extraction force 19.61 N max. Movement before being locked 15 mm max.
D4BL
D-141
D4BL
Operation Keys
Horizontal Mounting D4BL-K1
Red
Vertical Mounting D4BL-K2
Red
78.7 40.7 12
53.7
200.15
Long mounting hole
7.3 15
13
5.3 x 7.3 long mounting hole
25.8 15.6
25.8 15.6 Two, 2.65R
36 11.8 5.6 5.3 5.3 2.6 7.5
400.15 52.4
36
20
5.3 11.9 7.5 20
11.8 4 dia. 5.6 4 dia. 2.6
Adjustable Mounting (Horizontal) D4BL-K3
40 Red 12
20
26 40 Red
300.15
(80.7) 36 11.8 30 5.6 2.6 19.50.1 (37.8)
5.3 dia. 4 dia.
17.5
34.6
M4 Allen-head bolt
D-142
Safety Sensors / Components
With Operation Key Inserted
Horizontal Mounting D4BL + D4BL-K1
Red Horizontal direction Operation Key insertion radius R 1200 53.5 min. 57 max. (41) (12) (200.15) 53.5 min. 57 max. (200.15) (41) Vertical direction Operation Key insertion radius R 1000
(35)
Vertical Mounting D4BL + D4BL-K2
Red 54.5 min. 58 max. (41) (13) (41) Horizontal direction Operation Key insertion radius R 1200 54.5 min. 58 max.
Vertical direction Operation Key insertion radius R 1000
(400.15)
(35)
Adjustable Mounting (Horizontal) D4BL + D4BL-K3
Red Horizontal direction Operation Key insertion radius R 250 81.5 min. 85 max. (41) (40) 81.5 min. 85 max. (41) Vertical direction Operation Key insertion radius R 1000
(300.15)
(35)
Note: 1. Unless otherwise specified, a tolerance of 0.4 mm applies to all dimensions. 2. In the above diagrams, the Operation Key is inserted from the front.
D4BL
D-143
D4BL
Precautions
Caution
Do not insert the Operation Key to the Switch with the door open. Before using the machine, be sure to remove the shock-absorbing damper, which is provided before shipping. Otherwise the machine may start operating and injury may be caused. Mount the Operation Key at a location where it will not come in contact with users when the door is opened or closed. When operating the D4BL as a part of a safety circuit or an emergency stop circuit to prevent injury, operate the NC contacts that have a direct opening mechanism in direct opening mode. For safety purposes, tighten the switch body and Operation Key with one-way screws or equivalents or install a switch protection cover and warning label for safety purposes to prevent easy removal of the D4BL. Connect the fuse to the D4BL in series to prevent it from short-circuit damage. The value of the breaking current of the fuse must be calculated by multiplying rated current by 150% to 200%. When using the D4BL with EN ratings, use 10-A fuse Type gI or gG that complies with IEC60269. In order to prevent the D4BL from burning due to overvoltage, insert a protection fuse into the solenoid circuit. If the D4BL is imposed with force exceeding the lock strength, the D4BL may break and the equipment may continue to operate.
Stopper
Stopper
Switch
Do not use the Switch as a stopper. When mounting the Switch, be sure to locate a stopper as shown in the following illustration to prevent the top of the Operation Key from hitting the switch head.
Correct Use
Operating Environment
Due to the wear and tear of the sealing of the D4BL, water and some types of oil and chemical sprayed onto the D4BL may cause contact or insulation failures, current leakages, or fires. Do not use the D4BL in the following locations. * * * * Locations subject to severe temperature changes Locations subject to high temperatures or condensation Locations subject to severe vibration Locations where the product may come in contact with metal dust, oil, or chemicals
Auxiliary Release Key
The auxiliary release key is used to unlock the D4BL in case of emergency or in case the power supply to the D4BL fails. Use an appropriate tool to set the auxiliary release key to UNLOCK so that the lock will be released and the door can be opened.
LOCK UNLOCK Auxiliary release key
Operation Key
The D4BL is provided with a shock-absorbing damper to protect the D4BL from damage that may result from dropping the D4BL during transportation. Be sure to remove the damper after mounting the D4BL. The mounting tolerance of the Operation Key is 0.3 mm vertically or horizontally. Be sure to mount the D4BL correctly without leaning, otherwise the D4BL may soon break or wear out.
0.3 min.
The auxiliary release key applied to the door of a machine room ensures the safety of people adjusting the equipment in the machine room. If the auxiliary release key is set to UNLOCK, the door will not be locked when the door is closed and no power will be supplied to the equipment. To lock the door, set the auxiliary release key to LOCK. Do not use the auxiliary release key to start or stop machines. To prevent the auxiliary release key from being handled carelessly by unauthorized people, seal the auxiliary release key with sealing wax and the provided seal cap to ensure IP67. Make sure that the auxiliary release key is kept with the person in charge. Before attaching the cover to the D4BL, make sure that the auxiliary release key position is set to LOCK.
0.3 min.
Do not drop the D4BL with the Operation Key inserted, otherwise the Operation Key may deform or break.
D-144
Safety Sensors / Components
Two, M5 Operation Key mounting screw
Four, M3.5 head-mounting screw
Four, M4 cover-mounting screw
Drop
The head is constructed so that it cannot be operated with tools such as screwdrivers. Always use OMRON's Operation Key to operate the head in order to ensure the safety of the machine and protect the D4BL from damage. The Operation Key provided for the D4BL is not compatible with that of the D4BS. Mount the Operation Key and secure it with one-way screws or equivalents to prevent easy removal of the D4BL.
Conduit
Four, M5 switch-mounting screw
Conduit cap
Switch and Operation Key Mounting
Mount the D4BL and Operation Key with four M5 screws with washers and tighten each screw to the specified torque.
Securing the Door
If the Operation Key on the closed door is pulled outside the set zone by a force caused by vibration, the door's weight, or the door cushion rubber, the D4BL may be damaged. Secure the door with hooks so that it will remain within the set zone.
Space
Mounting Dimensions
Switch Mounting Dimensions
Four, M5
740.1
1000.1 Set zone
Operation Key Mounting Holes
* Horizontal Mounting D4BL-K1
Two, M5
Tightening Torque
Be sure to tighten each screw of the D4BL properly, otherwise the D4BL may malfunction.
200.1
* Vertical Mounting D4BL-K2
Two, M5
1 2 3 4 5 6 7
Type M3.5 terminal screw (including terminal screw) Cover mounting screw Head mounting screw M5 body mounting screw Operation Key mounting screw Connector Cap screw
Torque 0.59 to 0.78 N*m 1.18 to 1.37 N*m 0.78 to 0.98 N*m 4.90 to 5.88 N*m 2.35 to 2.75 N*m 1.77 to 2.16 N*m 1.27 to 1.67 N*m
400.1
* Adjustable Mounting (Horizontal) D4BL-K3
Two, M5
300.1
D4BL
D-145
D4BL
Head Directions
The head can be mounted in four directions. To remove the head, turn the head by 45 as shown in figures A and B below. To change the direction of the head, make sure that the protruding part of the rotating lever engages with the groove of the plunger. Then turn the head clockwise or counterclockwise to the desired direction. At that time, make sure that the groove of the plunger is located under the rotating lever. If the direction of the head is not set when the plunger is rotated by 45, the groove of the plunger presses the rotating lever. The head, plunger, or the built-in switch may be damaged as a result.
Head Direction Changes
Left
Front (45)
(45) (A) (B) Back
Right
Head Bottom View
Switch Top View
Operation plunger and groove mechanism
Rotation lever and protruding part
Normal Positions of Rotating Lever and Plunger
Switch body
Rotating lever (with protruding part) Plunger (with groove)
Built-in switch
Be sure to check the mechanical lock and solenoid release functions when mounting the D4BL. If the head direction is changed, recheck the tightening torque of each of screw. Make sure that no foreign materials will penetrate through the key hole on the head.
Mounting the Cover
When tightening the cover, first check the specified torque, and then tighten each screw to the that torque. Also, make sure that no foreign matter has entered the switch. When mounting the cover, make sure that the cover and switch box are properly aligned.
D-146
Safety Sensors / Components
Processing and Connecting Cable/Conduit
The following procedures are recommended for mounting and wiring the indicator unit securely. In order to ensure IP67, use OMRON's SC-#M and Nippon Flex's ABS-08Pg13.5 and ABS-12 Pg13.5 Connectors. Recommended cable: UL2464-type cable that is 20 to 18 AWG (0.5 to 1.0 mm2) in size and has seven conductors If the 1/2-14NPT is used, cover the cable and conduit end with sealing tape in order to ensure IP67. Tighten the connector to a torque of 1.77 to 2.16 N*m. Connect the indicator unit after connecting the seven-conductor cable.
Cable Connection Example
1. Connect the wires to the terminals in the order shown below for wiring efficiency.
Tighten each wired terminal clockwise to a torque of 0.59 to 0.78 N*m.
Twist the wire two or three times and make sure that no bare wire exists outside the terminal when tightening the terminal.
Insulation sheath edge
902
502
Maintenance and Repairs
Contact your OMRON representative for any repair or maintenance work on the D4BL. The D4BL must not be maintained or repaired by any unauthorized party.
Properly attach and securely tighten the provided conduit cap to the unused conduit opening when wiring the D4BL.
Others
Do not touch the solenoid because the solenoid radiates heat while power is being supplied.
D4BL
D-147
D4BL
Terminal no. E1 E2 31 12 23 (21) 24 (22)
Lp (mm) 302 352 452 552 652 702
Lv (mm) 802 752 602 502 452 352
a (mm)
2. The insulation sheath of the seven-conductor cable must come into contact with the wall of the conduit mouth, side A or side B.
81

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