Enabling Switch
A4E
CSM_A4E_DS_E_3_2
3-position Enabling Switch for Safer
Robot Operation
• Clicking feel.
• Conforms to U.S. standards (ANSI/RIA R15.06-1999) for
3-position switches.
• Can be mounted in two directions.
Be sure to read the
“Safety Precautions”
on page 5.
For the most recent information on models that have been certified for
safety standards, refer to your OMRON website.
Model Number Structure
Model Number Legend
A4E-@@@@@@
1 2 3 4 5 6
1. Total contact number
B: Two contacts
C: Four contacts
2. Enable outputs
2: Two contacts
3. Release monitor outputs
0: None
1: One contact
4. Grip monitor outputs
0: None
1: One contact
5. Mounting bracket
S: No mounting bracket
H: Horizontal mounting bracket
V: Vertical mounting bracket
6. Cover
S: No cover
A: Rubber cover
Ordering Information
List of Models
Model
A4E-B200SS
A4E-B200HS
A4E-B200VS
A4E-B200VA
A4E-C211SS
A4E-C211HS
A4E-C211VS
A4E-C211VA
Specification
Two contacts, no mounting bracket, no rubber seal
Two contacts, horizontal mounting, no rubber seal
Two contacts, vertical mounting, no rubber seal
Two contacts, vertical mounting, with rubber seal
Four contacts, no mounting bracket, no rubber seal
Four contacts, horizontal mounting, no rubber seal
Four contacts, vertical mounting, no rubber seal
Four contacts, vertical mounting, with rubber seal
1
A4E
Specifications
Certified Standards
Certification body
UL
*
Standard
UL508
CSA C22.2 No.14
EN60947 5-1
(certified direct
opening)
EN60947-5-8
GB14048.5
File No.
E76675
Consult your OMRON
representative for
details.
2003010305070634
Ratings
Rated insulation voltage
Rated ON current
Rated load
250 V
2.5 A
24 VDC, 300 mA (inductive load)
125 VAC, 1 A (resistive load)
4.0 kV between terminals of different
polarity, 2.5 kV between terminals of
same polarity
−10
to 55°C (with no icing)
35% to 85% (with no condensation)
−25
to 65°C
TÜV SÜD
CQC (CCC)
Minimum applicable load
24 VDC, 4 mA
Impulse withstand
voltage
Ambient operating
temperature
Ambient operating
humidity
*
Certification for CSA C22.2 No. 14 by UL has been obtained.
Certified Standard Ratings
TÜV (EN60947-5-1)
Item
Utilization
category
AC-15
0.75 A
240 V
DC-13
0.55 A
125 V
Ambient storage
temperature
Rated operating current (Ie)
Rated operating voltage (Ue)
Characteristics
Insulation resistance
Contact resistance
Vibration resistance
Shock resistance
Mechanical durability
Electrical durability
Degree of protection
100 MΩ min. (at 500 VDC)
100 mΩ max. (initial value)
10 to 55 Hz, 0.75-mm single amplitude
min.
150 m/s
2
OFF-ON: 1,000,000 operations min.
OFF-ON-OFF (direct opening):
100,000 operations min.
100,000 operations min.
IP65 (rubber seal type only)
UL/CSA (UL508, CSA C22.2 No.14),
CCC (GB 14048.5)
300 mA at 24 VDC (Inductive load)
1 A at 125 VAC (Resistive load)
Structure
4-Contact Type: 2NO (enable output)
1NC (release output)
1NC (grip output)
Direct opening for all
contacts
*
2-Contact Type: 2NO (enable output)
Direct opening for all
contacts
*
Operating
pattern
Terminal shape
During operation: OFF-ON-OFF
During reset:
OFF-OFF momentary
3-position operation
Solder terminals
Contact form
2
4
7
6
Contact form
1
3
8
5
SW1 SW2 SW3 SW4
SW1, SW2: Enable output
SW3:
Release output
SW4:
Grip output
Note:
SW3 and SW4 are for 4-Contact Types only.
*
Direct opening only during grip.
Operating Characteristics
OF2
Operating force
Operating stroke
Symbol
PT1
PT2
PT1
PT2
TT1 PT3 PT4 TT2
Operating stroke
Name
Release output (ON)
Enable output (ON)
Max. enable holding
position
Enable direct
opening position
Grip output (ON)
Max. stroke
A4E-B200@S
---
3.2 mm max.
Approx.
4 mm
5.4 mm max.
---
Approx.
6.5 mm
A4E-B200VA
---
3.4 mm max.
Approx.
4.2 mm
5.6 mm max.
---
Approx.
6.7 mm
A4E-C211@S
1 mm max.
3.2 mm max.
Approx.
4 mm
5.4 mm max.
5.4 mm min.
Approx.
6.5 mm
A4E-C211VA
1.2 mm max.
3.4 mm max.
Approx.
4.2 mm
5.6 mm max.
5.6 mm min.
Approx.
6.7 mm
TT1
PT3
PT4
TT2
Operating force (reference values)
Symbol
OF1
HF
*
OF2
Name
Enable operating force
Enable holding force
Grip operating force
A4E-B200@S
7 N max.
Approx. 5.5 N
35 N max.
A4E-B200VA
14 N max.
Approx. 8 N
40 N max.
A4E-C211@S
7 N max.
Approx. 5.5 N
35 N max.
A4E-C211VA
14 N max.
Approx. 8 N
40 N max.
*
HF indicates “holding force”.
2
A4E
Safety Precautions
Indication and Meaning for Safe Use
Indicates a potentially hazardous situation
which, if not avoided, will result in minor
or moderate injury, or may result in
serious injury or death. Additionally there
may be significant property damage.
Two, 3.2-dia.
+0.2
holes
0
Vertical mounting type with rubber seal
(2-Contact type/4-Contact type)
72±
0.1
63.3±
0.1
13.5±
0.1
WARNING
Precautions
for Safe Use
Supplementary comments on what to do
or avoid doing, to use the product safely.
Wiring
•
Use an appropriate wire size (0.5 to 0.75 mm
2
) for the applied
voltage and carry current.
•
Do not use a #110 tab receptacle.
•
Wire according to the terminal numbers. Mistaken wiring may
damage the Switch and result in fire.
•
Wire according to the terminal arrangement.
•
Use good-quality 6:4 (tin:lead) solder.
•
Use a resin flux cored solder.
•
Do not use a liquid or chlorine type flux.
•
Perform soldering within 3 s using a 30-W max. soldering iron
(temperature at the tip of the soldering iron: 350°C max.). Insulate
with an insulation tube.
•
Do not move the terminal for at least one minute after soldering.
•
Do not apply a force that would deform the terminal when wiring.
!WARNING
Do not wire the Switch or touch any terminal of the
Switch while power is being supplied. Doing so may
result in electric shock.
Always use the Switch in a system that is operated
directly by hand. Do not operate the Switch with a
mechanical actuator. Insufficient Switch strength may
result in damage to the Switch, electric shock, or fire.
Design a safe system for using the Switch, based on a
risk assessment that takes into account all reasonably
foreseeable malfunctions.
Determine the Switch mounting direction and structural
design only after thorough risk assessment. For
example, in a structure where the Switch protrudes from
the pendant perimeter, the weight of the pendant itself
could place the Switch into the enable condition and
operate the machine. Likewise, in a buried structure
where the Switch lies below the surface of the pendant,
the Switch may not enter the grip condition when
pressed and thus fail to stop the machine.
Configure the system so that the machine operates only
when the Switch is in the enable position.
Operating Environment
Prior to using the Switch in places that are subject to contact with oil,
water, or chemicals, check the effect of those substances on the
Switch.
Some types of oil, water, and chemicals will degrade the sealing
capability, which may result in contact failure, defective insulation,
ground fault, or burning damage.
Improper Operating Environment
•
Do not use the Switch in places that are subject to sudden
temperature change.
•
Do not use the Switch in places that are subject to high
temperatures and condensation.
•
Do not use the Switch in places that are subject to strong vibration.
•
Do not use the Switch in places that are subject to direct contact
with machine filings or dust.
Precautions for Correct Use
Mounting
Use M3 screws and flat washers or spring washers to mount the
Switch securely. Use a tightening torque of 0.39 to 0.59 N·m.
Storage
•
Do not store the Switch in places with hydrogen sulfide or other
corrosive gas or sea breeze.
•
Do not store the Switch in places where the level of dust is high
enough to be visible.
•
Do not store the Switch in direct sunlight.
•
Do not impose excessive force on the Switch during storage.
Otherwise, the Switch may deform.
No-mounting-bracket type
2-Contact type
44.3±
0.1
8
34.5
Four, 2-dia. holes
+0.2
0
4-Contact type
44.3±
0.1
8
9.5±
0.1
8
39
Four, 2-dia. holes
+0.2
0
8
13.5±
0.1
Two, 3.2-dia.
+0.2
holes
0
Two, 3.2-dia.
+0.2
holes
0
Handling
•
Do not drop the Switch. Otherwise, the Switch may malfunction.
•
Do not apply strong vibration or shock to the Switch. Otherwise, the
Switch may malfunction or be damaged.
Do not contact the Switch with sharp objects. Otherwise, the
Switch may be scratched. Scratches on the operating portion of the
Switch may result in problems both in appearance and operation.
Horizontal mounting type (2-Contact type/4-Contact type)
70.3±
0.1
Two, 3.2
+0.2
0
dia. holes or M3 screw holes
Vertical mounting type (2-Contact type/4-Contact type)
72±
0.1
63.3±
0.1
13.5±
0.1
Two, 3.2-dia.
+0.2
holes
0
5
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