A4EG | Omron, Europe

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A4EG

Enabling grip switch with distinct feel for three easily discernible positions

In addition to the standard models, the lineup also includes models with an emergency stop switch and models with a momentary operation switch.

  • An optional Holding Key (sold separately) provides a versatile method for selecting modes. 
  • Equipped with conduit connector
  • Positive operating feel - Original double snap action switch mechanism lets the operator precisely confirm the enable position.
  • Safety circuits are easy to configure - Safety circuits can be easily configured by combining the A4EG with the G9SX-GS Safety Guard Switching Unit.

Specifications & ordering info

Ordering information

Enabling grip switches

Contact form

Order code

Enabling switch

Monitor switch

Pushbutton switch

Two contacts

1NC (grip output)

None

A4EG-C000041

Two contacts

None

Emergency stop switch (2NC)

A4EG-BE2R041

Two contacts

None

Momentary operation switch (2NO)

A4EG-BM2B041

Safety guard switching units

Safety outputs 1

Auxiliary outputs 2

Logical AND
connection input

Logical AND connection output

Max. OFF
delay time 3

Rated
voltage

Terminal block type

Order code

Instantaneous

OFF-delayed 4

2 (Semi-
conductors)

2 (Semi-
conductors)

6 (Semi-conductors)

1

1

15 s

24 VDC

Screw terminals

G9SX-GS226-T15-RT

Spring-cage terminals

G9SX-GS226-T15-RC

Specifications

Ratings of guard switching unit

Power input

Item

G9SX-GS226-T15-_

G9SX-EX-_

Rated supply voltage

24 VDC

Inputs

Item

G9SX-GS226-T15-_

Safety input

Operating voltage: 20.4 VDC to 26.4 VDC, internal impedance: approx. 2.8 kΩ

Feedback/reset input

Mode selector input

Outputs

Item

G9SX-G9SX-GS226-T15-_

Instantaneous safety output
OFF-delayed safety output

P channel MOS FET transistor output

Load current: 0.8 A DC max.

Auxiliary output

PNP transistor output

Load current: 100 mA max.

External indicator outputs

P channel MOS FET transistor outputs

Connectable indicators

  • Incandescent lamp: 24 VDC, 3 W to 7 W
  • LED lamp: 10 to 300 mA DC

Application example

Automatic switching mode

Worker is loading and unloading the machine manually. When loading is finished, robot cycle is started manually by the worker. When robots return to their home position, loading cycle is selected automatically.

Loading condition: Safety sensor B is not active, safety sensor A is active because the robots are not allowed to move to the loading area while the worker loads the machine. So the worker is safe because safety sensor A is active.

Robot work condition: Safety sensor B is active, safety sensor A is not active because the worker is not allowed to move to the loading area when the robots work. So the worker is safe because safety sensor B stops the machine if he moves to the loading area.

Manual switching mode

Worker has to do maintenance in this machine. While maintenance, it is necessary to move the machine in a limited way. The worker has to select automatic mode or manual mode manually by using the mode selector switch.

Operation steps:

1) Select maintenance mode by using the mode selector

2) Open the door to do the maintenance while the machine still is able to operate in a limited way (monitoring of limited movement by using the safety limit switch).

3) Close the cover after finishing maintenance

4) Select automatic mode by using the mode selector

E-Stop conditions:

a) open the door while not in maintenance mode

b) the machine actuates the limit switch (breaks the limit).

c) the Enabling grip switch A4EG is actuated to stop the machine in emergency condition.

 


1. P channel MOS FET transistor output

2. PNP transistor output

3. The OFF-delay time can be set in 16 steps as follows:
T15: 0, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 1, 1.5, 2, 3, 4, 5, 7, 10 or 15 s

4. The OFF-delayed output becomes an instantaneous output by setting the OFF-delay time to 0 s.

1. P channel MOS FET transistor output

2. PNP transistor output

3. The OFF-delay time can be set in 16 steps as follows:
T15: 0, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 1, 1.5, 2, 3, 4, 5, 7, 10 or 15 s

4. The OFF-delayed output becomes an instantaneous output by setting the OFF-delay time to 0 s.

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