Omron D4NS - User manual

G-131D4NS
D4NS
Safety-door Switch
D4NS
Multi-contact,
Labor-saving,
Environment-friendly,
Next-generation
Safety-door Switch
• Lineup includes three contact models
with 2NC/1NC and 3NC contact forms in
addition to the previous contact forms
1NC/1NO, and 2NC.
• M12-connector models are available,
saving on labor and simplifying replace-
ment.
• Standardized gold-clad contacts provide
high contact reliability.
• Applicable to both standard loads and
micro loads.
• Free of lead, cadmium, and hexavalent
chrome, reducing the burden on the en-
vironment.
Model Number Structure
Model Number Legend
Switch
1. Conduit/Connector size
1: Pg13.5 (1-conduit)
2: G1/2 (1-conduit)
3: 1/2-14NPT (1-conduit)
4: M20 (1-conduit)
5: Pg13.5 (2-conduit)
6: G1/2 (2-conduit)
7: 1/2-14NPT compatible (2-conduit model with M20 conduit
size includes an M20-to-1/2-14NPT conversion adapter)
8: M20 (2-conduit)
9: M12 connector (1-conduit)
2. Built-in Switch
A: 1NC/1NO (slow-action)
B: 2NC (slow-action)
C: 2NC/1NO (slow-action)
D: 3NC (slow-action)
E: 1NC/1NO (MBB contact)
F: 2NC/1NO (MBB contact)
3. Head Mounting Direction
F: Four mounting directions possible (Front-side mounting at
shipping)
Note: An order for the head part or the switch part alone cannot be accepted.
The Operation Key is sold separately.
Operation Key
1. Operation Key Type
1: Horizontal mounting
2: Vertical mounting
3: Adjustable mounting (Horizontal)
5: Adjustable mounting (Horizontal/ Vertical)
123
D4NS-@@@
1
D4DS-K@
F502-EN2-04.book Seite 131 Dienstag, 26. Juli 2005 5:48 17

G-132 Safety Sensors / Components
Ordering Information
List of Models
Switches (Operation Keys are sold separately.)
Note: 1. The recommended models for equipment and machinery being exported to Europe are those with an M20 or Pg13.5 conduit sizes, and
for North America, the recommended models are those with a 1/2-14NPT conduit sizes.
2. Resin is used as the material for the D4NS housing and head. Use the metal D4BS Safety-door Switch for applications requiring greater
mechanical strength.
3. Prefered stock item
Type Contact configuration Conduit opening/Connector Model
1-conduit Slow-action 1NC/1NO Pg13.5 D4NS-1AF (note 3)
G1/2 D4NS-2AF
1/2-14NPT D4NS-3AF
M20 D4NS-4AF (note 3)
2NC Pg13.5 D4NS-1BF (note 3)
G1/2 D4NS-2BF
1/2-14NPT D4NS-3BF
M20 D4NS-4BF (note 3)
2NC/1NO Pg13.5 D4NS-1CF (note 3)
G1/2 D4NS-2CF
1/2-14NPT D4NS-3CF
M20 D4NS-4CF (note 3)
3NC Pg13.5 D4NS-1DF
G1/2 D4NS-2DF
1/2-14NPT D4NS-3DF
M20 D4NS-4DF (note 3)
Slow-action MBB con-
tact 1NC/1NO Pg13.5 D4NS-1EF
G1/2 D4NS-2EF
1/2-14NPT D4NS-3EF
M20 D4NS-4EF (note 3)
2NC/1NO Pg13.5 D4NS-1FF
G1/2 D4NS-2FF
1/2-14NPT D4NS-3FF
M20 D4NS-4FF (note 3)
2-conduit Slow-action 1NC/1NO Pg13.5 D4NS-5AF
G1/2 D4NS-6AF
M20, includes M20-to-1/2-14NPT conversion adapter D4NS-7AF
M20 D4NS-8AF
2NC Pg13.5 D4NS-5BF (note 3)
G1/2 D4NS-6BF
M20, includes M20-to-1/2-14NPT conversion adapter D4NS-7BF
M20 D4NS-8BF (note 3)
2NC/1NO Pg13.5 D4NS-5CF
G1/2 D4NS-6CF
M20, includes M20-to-1/2-14NPT conversion adapter D4NS-7CF
M20 D4NS-8CF (note 3)
3NC Pg13.5 D4NS-5DF
G1/2 D4NS-6DF
M20, includes M20-to-1/2-14NPT conversion adapter D4NS-7DF
M20 D4NS-8DF
Slow-action MBB con-
tact 1NC/1NO Pg13.5 D4NS-5EF
G1/2 D4NS-6EF
M20, includes M20-to-1/2-14NPT conversion adapter D4NS-7EF
M20 D4NS-8EF
2NC/1NO Pg13.5 D4NS-5FF
G1/2 D4NS-6FF
M20, includes M20-to-1/2-14NPT conversion adapter D4NS-7FF
M20 D4NS-8FF
1-conduit, with connec-
tor Slow-action 1NC/1NO M12 connector D4NS-9AF (note 3)
2NC D4NS-9BF (note 3)
Slow-action MBB con-
tact 1NC/1NO D4NS-9EF (note 3)
: Models with a
pp
roved direct o
p
enin
g
contacts.
F502-EN2-04.book Seite 132 Dienstag, 26. Juli 2005 5:48 17

G-133D4NS
D4NS
Operation Keys
Specifications
Approved Standards
Note: Approval for CSA C22.2 No. 14 is authorized by the UL mark.
Standards and EC Directives
•Conforms to the following EC Directives:
Machinery Directive
Low Voltage Directive
EN50047
EN1088
CCC (China Compulsory Certification) Mark
Approved Standard Ratings
TÜV (EN60947-5-1)
Note: Use a 10-A fuse type gI or gG that conforms to IEC269 as a short-circuit
protection device. This fuse is not built into the Switch.
UL/CSA (UL508, CSA C22.2 No. 14)
A300
Type Model
D4DS-K1
D4DS-K2
D4DS-K3
D4DS-K5
Horizontal mounting
Vertical mounting
Adjustable mounting
(Horizontal)
Adjustable mounting
(Horizontal/Vertical)
Agency Standard File No.
TÜV Product
Service EN60947-5-1 (approved direct opening)
GS-ET-15
B0306 39656052
UL (See note.) UL508, CSA C22.2 No.14 E76675
Agency Standard File No.
CQC GB14048.5 Under
application
Item Utilization category AC-15 DC-13
Rated operating current (Ie)3 A 0.27 A
Rated operating voltage (Ue)240 V 250 V
Rated
voltage Carry current Current Volt-amperes
Make Break Make Break
120 VAC 10 A 60 A 6 A 7,200 VA 720 VA
240 VAC 30 A 3 A
F502-EN2-04.book Seite 133 Dienstag, 26. Juli 2005 5:48 17

G-134 Safety Sensors / Components
Characteristics
Note: 1. The above values are initial values.
2. Once a contact has been used to switch a standard load, it cannot be used for a load of a smaller capacity. Doing so may result in rough-
ening of the contact surface and contact reliability may be lost.
3. The degree of protection is tested using the method specified by the standard (EN60947-5-1). Confirm that sealing properties are suffi-
cient for the operating conditions and environment beforehand. Although the switch box is protected from dust or water penetration, do
not use the D4NS in places where foreign material may penetrate through the key hole on the head, otherwise Switch damage or mal-
functioning may occur.
4. The durability is for an ambient temperature of 5°C to 35°C and an ambient humidity of 40% to 70%. For more details, consult your
OMRON representative.
5. If the ambient temperature is greater than 35°C, do not pass the 3-A, 250-VAC load through more than 2 circuits.
6. These figures are minimum requirements for safe operation.
7. This value will vary with the switching frequency, environment, and reliability level. Confirm that correct operation is possible with the ac-
tual load beforehand.
Degree of protection (See note 3.) IP67 (EN60947-5-1)
(This applies for the Switch only. The degree of protection for the key hole is IP00.)
Durability
(See note 4.) Mechanical 1,000,000 operations min.
Electrical 500,000 operations min. for a resistive load of 3 A at 250 VAC (See note 5.)
300,000 operations min. for a resistive load of 10 A at 250 VAC
Operating speed 0.05 to 0.5 m/s
Operating frequency 30 operations/minute max.
Direct opening force (See note 6.) 60 N min.
Direct opening travel (See note 6.) 10 mm min.
Contact resistance 25 mΩmax.
Minimum applicable load (See note 7.) Resistive load of 1 mA at 5 VDC (N-level reference value)
Rated insulation voltage (Ui)300 V
Protection against electric shock Class II (double insulation)
Pollution degree (operating environment) 3 (EN60947-5-1)
Impulse withstand voltage (EN60947-5-1) Between terminals of the same polarity 2.5 kV
Between terminals of different polarities 4 kV
Between other terminals and uncharged metallic parts 6 kV
Insulation resistance 100 MΩmin.
Contact gap 2 x 2 mm min
Vibration resistance Malfunction 10 to 55 Hz, 0.75-mm single amplitude
Shock resistance Destruction 1,000 m/s2min.
Malfunction 300 m/s2min.
Conditional short-circuit current 100 A (EN60947-5-1)
Rated open thermal current (Ith)10 A (EN60947-5-1)
Ambient temperature Operating: -30°C to 70°C with no icing
Ambient humidity Operating: 95% max.
Weight Approx. 96 g (D4NS-1CF)
F502-EN2-04.book Seite 134 Dienstag, 26. Juli 2005 5:48 17

D4NS
G-135D4NS
Nomenclature
Structure
D4NS-@A@, D4NS-@B@, D4NS-@E@
D4NS-@C@, D4NS-@D@, D4NS-@F@
Contact Form (Diagrams Show State with Key Inserted)
Note: MBB (Make Before Break) contacts have an overlapping structure, so that before the normally closed contact (NC) opens, the normally open
contact (NO) closes.
Model Contact Contact form Operating pattern Remarks
D4NS-@A@1NC/1NO
D4NS-@B@2NC
D4NS-@C@2NC/1NO
D4NS-@D@3NC
D4NS-@E@1NC/1NO MBB
D4NS-@F@2NC/1NO MBB
Terminal 12
Terminal 32 (34)
Terminal 31 (33) Terminal 32 (34)Terminal 31 (33)
Terminal 22
Terminal 12
Terminal 21
Terminal 11
Terminal 11
Note: The 2-conduit models have the same terminal arrangement.
Operation
key hole Head
The head can be mounted
in four directions.
Sealing properties
The switch casing ensures IP67
(except the keyhole, which
ensures IP00). Use the D4NS in
places where the keyhole is free
from oil, water, and metal chips.
11
33
12
34
11-12
33-34 ON
Extraction
completion
position
Operation
Key insertion
completion
position
Stroke
Only NC contacts 11-12 have an
approved direct opening
mechanism.
The terminals 11-12 and 33-34
can be used as unlike poles.
11
31
12
32
11-12
31-32 O
N
Extraction
completion
position
Operation
Key insertion
completion
p
osition
Stroke
Only NC contacts 11-12 and
31-32 have an approved
direct opening mechanism.
The terminals 11-12 and 31-32
can be used as unlike poles.
33 34
11
21
12
22
21-22
33-34
11-12
O
N
Extraction
completion
position
Operation
Key insertion
completion
position
Stroke
Only NC contacts 11-12 and
21-22 have an approved
direct opening mechanism.
The terminals 11-12, 21-22, and
33-34 can be used as unlike
poles.
11
21
12
22
31 32
11-12
21-22
31-32
ON
Extraction
completion
position
Operation
Key insertion
completion
p
osition
Stroke
Only NC contacts 11-12, 21-22,
and 31-32 have an approved di-
rect opening mechanism.
The terminals 11-12, 21-22, and
31-32 can be used as unlike
poles.
11
33
12
34
11-12
33-34
ON
Extraction
completion
position
Operation
Key insertion
completion
position
Stroke
Only NC contacts 11-12 have an
approved direct opening
mechanism.
The terminals 11-12 and 33-34
can be used as unlike poles.
33 34
11
21
12
22
11-12
21-22
33-34
ON
Extraction
completion
position
Operation
Key insertion
completion
p
osition
Stroke
Only NC contacts 11-12 and
21-22 have an approved direct
opening mechanism.
The terminals 11-12, 21-22 and
33-34 can be used as unlike poles.
F502-EN2-04.book Seite 135 Dienstag, 26. Juli 2005 5:48 17

G-136 Safety Sensors / Components
Dimensions/Operating Characteristics
Note: All units are in millimeters unless otherwise indicated.
Switches
1-conduit Models
2-conduit Models
1-conduit Connector Models
Note: Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions.
7.5
Head cap
22
±0.2
31
30.2
15.3
4.4
2.5
55
41 33.5
47
±0.2
20 ±0.1
22 ±0.1
14.2
30
31.5
21.5
15.5
30.6
Red
Black
D4NS-1@F
D4NS-2@F
D4NS-3@F
D4NS-4@F
2.15±0.05R
mounting holes
0
Two, 4
+0.15
dia. holes
depth: 5
15 N max.
30 N max.
6±3 mm
(28 mm)
60 N min.
10 mm min.
D4NS-1@F
D4NS-2@F
D4NS-3@F
D4NS-4@F
Operating
characteristics
Key insertion force
Key extraction force
Pretravel (PT)
Total travel (TT)
Direct opening force
*
Direct opening stroke
*
* Always maintain the above operating characteristics
for safe use.
7.5
15.3
42±0.1
40±0.1
30.2
4.4
5.4
47
33.5
39±0.2
41 2.5 9±0.2
25 dia.
14.2
30
20.5
15.5
21.5
Cap
31.5
30.6
56 max. 3
42±0.2
22±0.1
20±0.1
Red
Black
D4NS-5@F
D4NS-6@F
D4NS-7@F
D4NS-8@F
2.15±0.05R
mounting holes 0
Two, 4 +0.15 dia. holes
depth: 5
15 N max.
30 N max.
6±3 mm
(28 mm)
60 N min.
10 mm min.
D4NS-5@F
D4NS-6@F
D4NS-7@F
D4NS-8@F
Operating
characteristics
Key insertion force
Key extraction force
Pretravel (PT)
Total travel (TT)
Direct opening force*
Direct opening stroke*
* Always maintain the above operating characteristics
for safe use.
Head cap
31
M12 ×1
30
22 ±0.2
2.5
20
±0.1
22 ±0.1
30.2
15.3
4.4
55
(14)
41 33.5
47
±0.2
7.5
31.5
21.5
15.5
30.6
14.2
Red
Black
D4NS-9@F
2.15±0.05R
mounting holes
0
Two, 4 +0.15 dia. holes
depth: 5
15 N max.
30 N max.
6±3 mm
(28 mm)
60 N min.
10 mm min.
D4NS-9@F
Operating
characteristics
Key insertion force
Key extraction force
Pretravel (PT)
Total travel (TT)
Direct opening force*
Direct opening stroke*
* Always maintain the above operating characteristics
for safe use.
Head cap
F502-EN2-04.book Seite 136 Dienstag, 26. Juli 2005 5:48 17

G-137D4NS
D4NS
Operation Keys
Note: Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions.
With Operation Key Inserted (Relationship between Insertion Radius and Insertion Hole)
Note: Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions.
30 15
7
17.5 28
4.3
13
2
13
7
D4DS-K1
Four, 2.15R
3
30 13 15
24. 7
28
10.5
67
9
D4DS-K2
Four, 2.15R
4
14
6.3
20
13 30 40
15
56
28
D4DS-K3
Black 9 dia.
4.5 dia. 8 dia.
D4DS-K5
Black
4
20.9 28 24.6
22.5
43 41 5530
8
1
(7)6.5
13
15°
18°
(30.6)
(30.6)
(15)
(33.5)
Red
Black
D4NS-1@F + D4DS-K1
44 to 46.5
Key insertion face
Horizontal key
insertion radius
R ≥200
Permissible difference
in center lines between
the Operation Key and
key hole is ±1.
44 to 46.5
Key insertion face
Vertical key
insertion radius
R ≥200
Permissible difference
in center lines between
the Operation Key and
key hole is ±1.
(30.6)
(15)
(30.6)
(33.5)
(27.5)
Red
Black
D4NS-1@F + D4DS-K2
40 to 42.5
Key insertion face
Permissible difference
in center lines between
the Operation Key and
key hole is ±1.
40 to 42.5
Key insertion face
Permissible difference
in center lines between
the Operation Key and
key hole is ±1.
Horizontal key
insertion radius
R ≥200
Vertical key
insertion radius
R ≥200
(40±0.15)
(30.6)
(30.6)
(33.5)
Red
Black
D4NS-1@F + D4DS-K3
45 to 47.5
Key insertion face
Permissible difference
in center lines between
the Operation Key and
key hole is ±1.
45 to 47.5
Key insertion face
Permissible difference
in center lines between
the Operation Key and
key hole is ±1.
Horizontal key
insertion radius
R ≥50
Vertical key
insertion radius
R ≥200
(30.6)
(30.6)
(33.5)
(43±0.1)
(41±0.1)
Red
Black
D4NS-1@F + D4DS-K5
51.9 to 54.4
Key insertion face
Permissible difference
in center lines between
the Operation Key and
key hole is ±1.
51.9 to 54.4
Key insertion face
Permissible difference
in center lines between
the Operation Key and
key hole is ±1.
Horizontal key
insertion radius
R ≥50
Vertical key
insertion radius
R ≥50
F502-EN2-04.book Seite 137 Dienstag, 26. Juli 2005 5:48 17

G-138 Safety Sensors / Components
Safety Precautions
Refer to OMRON SAFETY COMPONENTS SERIES (Y106) for
common precautions.
Do not dismount the operation key from the door intentionally and
insert it to the switch with the door open. Machine may start
operating and injury or death may be caused.
Do not use metal connector or conduit with this switch. The broken
conduit hole may cause electrical shock hazard.
Precautions for Safe Use
•Be careful not to drop your D4NS, or the switch will not fully exhibit
its ability.
•Do not disassemble or remodel your D4NS in any case, or the
D4NS will not operate normally.
•Do not use the switch where explosive gas, ignitable gas, or any
other harmful gasses may be present.
•Install operation key so that it will not hit the operator when the door
is open. Injury may be caused.
• Do not use the switch in the oil and in the water. IP67(EN60947-5-1)
•Though the switch body is protected from the ingress of dust or
water, avoid the ingress of foreign substance through the key hole
on the head.
Otherwise, wear in short time or break may be caused
•Do not put the electric power when wiring.
•Be sure to install a cover after the wiring.
Do not put the electric power when opening a cover.
•Connect the fuse to the switch in series to prevent it from short
circuit damage.
The value of the breaking current of the fuse must be increased to
cover the rated current by 150 to 200%. When using the switch with
EN rating, use 10 A fuse, type gI or gG that complies with IEC
60269.
•Keep the electrical load below the rated value.
•On the switching of general loads (250VAC/3A), do not operate two
circuits or more at the same time. Otherwise, insulation
performance may be degraded.
•The durability of the switch is seriously affected by operating
conditions.
Evaluate the switch under actual working conditions before
permanent installation.
•Please mention in machine manufacturer's Instruction. Manual that
the user must not repair nor maintain the switch and must contact
machine manufacturer for them.
•Do not use the switch as a stopper.
Be sure to install a stopper as shown in the following illustration to
prevent the edge of the operation key from inadvertently hitting the
switch directly.
Precautions for Correct Use
1. Environment
•The switch is intended for indoor use only.
•Do not use your D4NS outdoor, or the switch will malfunction.
•Do not use your D4NS in the atmosphere of hazardous gases
(H2S, SO2, NH3, HNO3, CI2, etc.) or high temperature and
humidity, or it will cause the imperfect closing of the contacts or the
breakage thereof stemming from corrosion.
•Do not use the switch under any of the conditions mentioned
below.
•Frequent temperature range.
•High humidity or dew condensation may be generated.
•Where the switch is subject to severe vibration.
•Where the metal dust, oil, or chemical is sprayed inside the
door.
•Where thinner is applied.
2. Mounting method
•Mounting Screw Tightening Torque
Loose mounting may result in malfunction.
Fasten the screws to the specified torque.
•Switch, operation key
•The switch and operation key will be fastened to specified
torque in item 2 with M4 screws and washers.
•Secured more by the studs like below picture 4-0.05/-0.15 dia.,
4.8 max. height at the lower two which are inserted from back
side of switch.
•Do not use the operation key other than dedicated OMRON's.
Otherwise switch may be damaged.
•Be sure that the operation key can be inserted properly to key
hole with a tolerance of ± 1 mm.
3. Head direction
The rotation of the switch head may be adjusted to any of the four
directions by loosening the head clamping screws at the four
corners of the head.
4. Securing of the door
If the operation key is pulled in the opening direction due to a
force caused by vibration, by the door weight, or by a cushion
attached to the door.
The closed door must be secured with a hook or by similar
means.
5. Wiring
•When connect with insulation tubes and terminals, connect the
terminals as shown in the following figure and wire without
overriding to the case and the cover. Adequate conductor size is
AWG 20 to 18 (0.5 to 0.75 mm2).
Wire leads as shown in the following figure. Otherwise, the
switch cover does not fit.
CAUTION
Switch
Operation Key
Stopper
Terminal screw 0.6 to 0.8 N·m
Cover clamping screw 0.5 to 0.7 N·m
Head clamping screw 0.5 to 0.6 N·m
Operation Key clamping screw (See item 4) 2.4 to 2.8 N·m
Body clamping screw (See item 4) 0.5 to 0.7 N·m
Conduit mounting connection (see item 10,11),
M12 changing adaptor 1.8 to 2.2 N·m
1.4 to 1.8 N·m (1/2-14NPT)
Cap screw 1.3 to 1.7 N·m
(Switch mounting holes)
(1 conduit type)
(2 conduits type)
(Operation key mounting hole)
D4DS-K3
D4DS-K5
40
±0.1
Two, M4
15
±0.1
Two, M4
41
± 0.1 or, 43 ± 0.1
Two, M4
22 ± 0.1
47 ± 0.1
20 ± 0.1
22 ± 0.1
2.5
Two, M4
−0.15
4−0.05 dia. height,
4.8 max.
42 ± 0.1
39 ± 0.1
20 ± 0.1
22 ± 0.1
40 ± 0.1
42 ± 0.1
2.5 ± 0.1
5.35 ± 0.1
Two, M4
−0.15
4−0.05 dia. height,
4.8 max.
D4DS-K1/-K2
Operation Key
Set zone
(0.5 to 3 mm)
F502-EN2-04.book Seite 138 Dienstag, 26. Juli 2005 5:48 17

G-139D4NS
D4NS
•Do not push the ring connector and the likes into the opening
between the parts in order to prevent the case from being broken
and deformed.
•Use terminals having the thickness of 0.5 mm or less to avoid the
contact between the terminal and the switch case inside.
The below listed the terminals have thickness of 0.5 mm or less.
J.S.T is a Japanese manufacturer.
6. Contact arrangement
•The following show a safety contact and an auxiliary contact for 3
contacts and 2 contacts types.
7. Socket tightening (connector type)
Do not use any tools, such as pliers, otherwise the socket connector
may become damaged. Connect the socket connector to the
connector threads of the D4NS. Then firmly turn the socket
connector by hand so that the connector threaded portion will be
completely covered by the socket connector so that space will be
almost 0.
Make sure, however, that the socket connector is tightened securely,
otherwise the rated degree of protection of the D4NS may not be
maintained. Furthermore, the socket connector may be loosened by
vibration.
8. Conduit opening
Use the connectors recommended in clause 9 and tighten the
connector with specified torque in clause 2. An excessive torque will
bring a case breakage.
Apply sealing tape between connector and conduit opening so that
the enclosure will conform to IP67.
Use a cable with a suitable diameter for the connector.
For unused conduit opening, apply a conduit cap provided and
tighten it to specified torque in clause 2.
9. Recommendation of connector
Use the connector with thread section of 9 mm long or less. In the
case of the connector with longer thread section, protruded part may
interfere with the other parts inside the body. Use below listed
connector to secure IP67.
When use LAPP's products, use together with a seal packing which
is sold separately (Type names, JPK-16, GP-13.5, GPM20. GPM12
is for M12 connector) and tighten with proper tightening torque.
LAPP is a German manufacturer.
Ohm Denki is a Japanese manufacturer.
HEYCO is an American manufacturer.
Before using the 2 conduit type 1/2-14NPT connector, attach the
appended changing adapter to the switch, and wind the seal tape
about the joint of the adapter and switch.
When use M12 conduit type, connect the above listed connector,
after tightened the M12 changing adaptor to the switch.
The M12 changing adaptor is enclosed with the packing.
10. Storage
Do not keep the switch in dusty, humid place and any place where
gas may be present for example H2S, SO2, NH3, HNO3, Cl2.
11. Others
•Do not impose excessive force on the key top while the operation
key is inserted into the switch body or drop the switch with the
operation key inserted to avoid the deformation of the key or the
breakage of the switch body.
•Confirm that the seal rubber has no abnormality and then use it.
If the seal rubber is displaced or floated, or if foreign matters
adhere to the seal rubber, the seal rubber will lose its sealing
capability.
•Do not use any screw other than correct one, or the sealing
capability of the seal rubber will deteriorate.
•Please do a regular check in premeditation for this switch.
Manufacture Type Wire size
J.S.T. FV0.5-3.7 (F type)
V0.5-3.7 (straight type)
AWG22 to 20
(1 conduit type)
(2 conduits type)
2221
3433
12
11
A
A
C
E
B
DF
C
E
B
D
F28 mm
Tolerance ±2 mm
33 mm
42 mm
2221
3433
12
11
A
C
E
B
D
F
ACE
BDF
28 mm
Tolerance ±2 mm
Left hand
42 mm
ACE
BDF
28 mm
Tolerance ±2 mm
Right hand
42 mm
L
l F
B
D
dz
t: 0.5 mm
dz dia.: 3.7 mm
D dia.: 2.9 mm
B: 6.6 mm
L: 19 mm
F: 7.7 mm
I: 8.0 mm
Correct Incorrect
Terminal screw
Crimp terminal
(Connector type)
(Screw terminal type)
Suitable socket is Type XS2F (OMRON).
D4NS-@DF (3NC)
11
21
12
22
31 32
D4NS-@BF (2NC)
11
31
12
32
D4NS-@CF (2NC/1NO)
D4NS-@FF (2NC/1NO (MBB))
D4NS-@AF (1NC/1NO)
D4NS-@FF (1NC/1NO (MBB))
33 34
11
21
12
22
11
33
12
34
1
3
2 4
D4NS-9BF (2NC)
1 (11)
3 (31)
2 (12)
4 (32)
D4NS-9AF (1NC/1NO)
D4NS-9EF (1NC/1NO (MBB))
1 (11)
3 (33)
Pin No. (Terminal No.)
2 (12)
4 (34)
Size Manufacture Type Adequate cable
Diameter
G1/2 LAPP ST-PF1/2
5380-1002 6.0 to 12.0 mm
Ohm Denki OA-W1609 7.0 to 9.0 mm
OA-W1611 9.0 to 11.0 mm
Pg13.5 LAPP S-13.5
5301-5030 6.0 to 12.0 mm
M20 LAPP ST-M20 ×1.5
5311-1020 7.0 to 13.0 mm
1/2-14NPT LAPP ST-NPT1/2
5301-6030 6.0 to 12.0 mm
HEYCO 4.3 to 11.9 mm
M12 LAPP ST-M12 ×1.5
5301-1000 3.5 to 7.0 mm
F502-EN2-04.book Seite 139 Dienstag, 26. Juli 2005 5:48 17

G-140 Safety Sensors / Components
Production Termination
Following the release of the D4NS, production of the D4DS will be terminated.
Date of Production Termination
Production of the D4DS Series will be terminated in July 2006.
Date of Substitute Product Release
Sale of the D4NS Series commenced in July 2003.
Product Replacement
1. Dimensions
The D4DS and D4NS have basically the same structure, and use the same
mounting method, Operation Keys, mounting hole and Operation Key
insertion positions. The multi-contact structure and the extra 4 mm in
length, however, are different.
2. Terminal Numbers
For the 2-contact model, the terminals 21, 22, 23, and 24 on the D4DS are
31, 32, 33, and 34 on the D4NS.
3. Recommended Terminals
If the recommended terminals are not used, the Switch may not be
compatible. Make sure that the Switch is compatible with the terminals.
Comparison of the D4DS and Substitute Products
List of Recommended Substitute Products
Switch
Operation Key
•D4DS-K1
•D4DS-K2
•D4DS-K3
•D4DS-K5
All of the above Operation Keys can be used with the D4NS.
Dimensions (Unit: mm)
Model D4NS-@
Switch color Very similar
Dimensions Very similar
Wiring/connection Significantly different
Mounting method Very similar
Ratings/performance Very similar
Operating characteristics Very similar
Operating method Completely compatible
D4DS product Recommended substitute product
D4DS-15FS D4NS-1AF
D4DS-25FS D4NS-2AF
D4DS-35FS D4NS-3AF
D4DS-55FS D4NS-5AF
D4DS-65FS D4NS-6AF
D4DS-1AFS D4NS-1BF
D4DS-2AFS D4NS-2BF
D4DS-3AFS D4NS-3BF
D4DS-5AFS D4NS-5BF
D4DS-6AFS D4NS-6BF
Discontinued Models (1-conduit D4DS) Replacement products (1-conduit D4NS)
Discontinued Model (2-conduit D4DS) Replacement products (2-conduit D4NS)
2.15±0.05R
mounting holes
0
Two , 4 +0.15 dia. holes
depth: 5
30 ×30
7.5
Head cap
22±0.2
31
30.2
15.3
4.4
2.5
55
41 33.5
47±0.2
20±0.1
22±0.1
14.2
30
31.5
21.5
15.5
30.6
2.15±0.05R
mounting holes
0
Two , 4
+0.15
dia. holes
depth: 5
30 ×30
25 dia.
2.15±0.05R
mounting holes
56 max. 0
Two , 4 +0.15 dia. holes
depth: 5
Cap
15.3
15.3
4.4
4.4
2.5
42±0.1
40±0.1
7.5
41
43
14.2
19
50
5.4
33.5
3
31.5
30.5
21.5
15.5
30
39±0.2 20±0.1
22±0.1
42±0.2
9±0.2
7.5
15.3
42±0.1
40±0.1
30.2
4.4
5.4
47
33.5
39±0.2
41 2.5 9±0.2
25 dia.
14.2
30
20.5
15.5
21.5
Cap
31.5
30.6
56 max. 3
42±0.2
22±0.1
20±0.1
2.15±0.05R
mounting holes
0
Two , 4
+0.15
dia. holes
depth: 5
Head cap
F502-EN2-04.book Seite 140 Dienstag, 26. Juli 2005 5:48 17

G-141D4NS
D4NS
This catalog is a guide to help customers select the proper safety product. Observe the following items when choosing products, select the right
product for your device or equipment, and develop a safety-related system to fully utilize the product's functions.
Setting up a risk assessment system
The items listed in this catalog must be used properly in terms of product location as well as product performance and functionality. Part of the
process of selecting and using these products should include the introduction and development of a risk assessment system early in the design
development stage to help identify potential dangers in your equipment that will optimize safety product selection. A badly designed risk
assessment system often results in poor choices when it comes to safety products.
•Related international standard: ISO 14121 "Principles of risk assessment."
Safety policy
When developing a safety system for the devices and equipment that use safety products, make every effort to understand and conform to the
entire series of international and industrial standards available, such as the examples given below.
•Related international standards: ISO/DIS 12100 "Basic concepts, general principles for design"
IEC 61508 "Functional safety of electrical/electronic/programmable electronic safety-related systems."
Role of safety products
Safety products have functions and mechanisms that ensure safety as defined by standards. These functions and mechanisms are designed to
attain their full potential within safety-related systems. Make sure you fully understand all functions and mechanisms, and use that understanding
to develop systems that will ensure optimal usage.
•Related international standard: ISO 14119 "Interlocking devices associated with guards- Principles for design and selection."
Installing safety products
Make sure that properly educated and trained engineers are selected to develop your safety-related system and to install safety products in
devices and equipment.
•Related international standards: ISO/DIS 12100 "Basic Concepts, general principles for design."
IEC 61508 "Functional safety of electrical/electronic/programmable electronic safety-related systems."
Observing laws and regulations
Safety products should conform to pertinent laws, regulations and standards, but make sure that they are used in accordance with the laws,
regulations and standards of the country where the devices and equipment incorporating these products are distributed.
•Related international standard: IEC 60204 "Electrical equipment of machines."
Observing usage precautions
Carefully read the specifications and precautions listed in this catalog for your product as well as all items in the Operating Manual packed with
the product to learn usage procedures that will optimize your choice. Any deviation from precautions will lead to unexpected device or equipment
failure not anticipated by safety-related systems or fire originating from equipment failure.
Transferring devices and equipment
When transferring devices and equipment, be sure to keep one copy of the Operating Manual and pack another copy with the device or
equipment so the person receiving it will have no problem operating it.
•Related international standards: ISO/DIS 12100 "Basic concepts, general principles for design"
IEC 61508 "Functional safety of electrical/electronic/programmable electronic safety-related systems."
!WARNING
F502-EN2-04.book Seite 141 Dienstag, 26. Juli 2005 5:48 17

G-142 Safety Sensors / Components
In the interest of product improvement, specifications are subject to change without notice.
ALL DIMENSIONS SHOWN ARE IN MILLIMETERS.
To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527.
Cat. No. C128-E2-03-X
F502-EN2-04.book Seite 142 Dienstag, 26. Juli 2005 5:48 17