Omron A22LK Series Manual

Omron A22LK Series Manual

Guard lock safety key selector switch

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Guard Lock Safety Key Selector Switch
A22LK
The guard lock prevents accidental
mode changes.
• Selector Switch for secure equipment activation during
maintenance
• The guard lock of the Operation Unit prevents incorrect
operation.
• The key has the same shape as the following keys.
• The key of the A22TK Safety Key Selector Switch
• The trapped key of the D4JL Guard Lock Safety-door Switch
• The lockout key of the D4SL-NSK10-LK Slide Key Unit
Be sure to read the "Safety Precautions" on page 8.
Features
Because the A22LK Guard Lock Safety Key Selector Switch uses the same key as the Guard Lock Safety-door Switch, the operator is prevented
from forgetting to remove the key. The result is a safer working environment when performing maintenance.
Common Key for Door Switch and Selector Switch
Guard Lock
Safety-door Switch
D4SL-NSK10-LK
D4JL-@@@A-@7-01
Common Key
D4JL-@@@A-@8-01-SJ
Broad range of applications include use with door locks, mode switching, and emergency stops when teaching
Guard Lock
Guard Lock Safety Key
Safety-door Switch
Selector Switch
D4SL-NSK10-LK
A22LK
A22LK-@-@-@01-SJ
D4JL-@@@A-@7-01
D4JL-@@@A-@8-01-SJ
A22TK-@-@-@01
Safety Key
Selector Switch
For the most recent information on models that have been certified for
safety standards, refer to your OMRON website.
Guard Lock
Enabling
Safety Key
Grip Switch
Selector Switch
A22LK
A4EG
such as Safety Guard
CSM_A22LK_DS_E_6_2
With the Selector Switch, it is possible to
switch between normal operation mode
(use of Door Switch is available) and
maintenance mode (use of Enabling
Grip Switch is available).
Safety Controllers
Switching Unit
G9SX-GS
1

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Summary of Contents for Omron A22LK Series

  • Page 1 For the most recent information on models that have been certified for Be sure to read the “Safety Precautions” on page 8. safety standards, refer to your OMRON website. Features Because the A22LK Guard Lock Safety Key Selector Switch uses the same key as the Guard Lock Safety-door Switch, the operator is prevented from forgetting to remove the key.
  • Page 2: Application Examples

    A22LK Application Examples Locking the A22LK-2RLB-@ in the RUN Position The facilities will generally be stopped if the mode is changed to MAINTENANCE mode during operation. Locking the A22LK-2RLB-@ in the RUN position prevents the facilities from being stopped unintentionally. Safety Key Guard Lock Safety I take the key with me when...
  • Page 3 A22LK Locking the A22LK-2RLA-@ in the MAINTENANCE Position Maintenance is performed without stopping the facilities after the door switch is temporarily disabled. If the mode is changed to RUN mode while the door is open, the door switch will be enabled and the facilities will be stopped. Locking the A22LK-2RLA-@ in the MAINTENANCE position prevents the mode from being changed unintentionally.
  • Page 4: Model Number Structure

    A22LK Model Number Structure Model Number Legend (Ordering as a set) The Operation Unit and Switch Unit are delivered as a set. For information on combinations, refer to Ordering Information on page 5. A 2 2 L K - @ @ @ @ - 2 2 - K 0 1 - S J (1) Operation Unit (3) Key Availability (4) Key Type...
  • Page 5: Ordering Information

    A22LK Ordering Information Switch List of Models (Completely Assembled) ... Shipped as a set which includes the Operation Unit and Switch Unit. For the model with Operation Unit only, contact your OMRON representative. Key position of Key release Lock Appearance...
  • Page 6: Internal Circuit Diagram

    A22LK Structure and Nomenclature * Two keys are provided. Operation Unit Switch Unit Contact Ratings 3A at 240 VAC (resistive load) 0.27A at 250 VDC (resistive load) Contact Configuration 2NC/2NO Lock Pin Attached with the Switch to prevent the operation unit from coming off the switch unit. (Refer to "Lock pin"...
  • Page 7: Installation

    A22LK Dimensions (Unit: mm) A22LK-2RL@-22-K01-SJ 30 dia. 27 dia. 32.1 Note: Unless otherwise specified, a tolerance of ±0.8 mm applies to all dimensions. Installation Mounting to the Panel (1) Preparing the Panel (3) Mounting the Switch unit on the Operation unit •...
  • Page 8: Safety Precautions

    A22LK Safety Precautions Be sure to read the precautions for All Pushbutton Switches in the website at:http://www.ia.omron.com/. Indication and Meaning for Safe Use Precautions for Safe Use Indicates an imminently hazardous Installation Environment situation which, if not avoided, is likely to...
  • Page 9 A22LK Wiring Precautions for Correct Use • Adequate lead wire size is AWG20 to 18 (0.5 to 0.75mm • For the crimp terminal size, refer to the following figure. Operating Environment For Switch terminal • The Switch is intended for indoor use only. B: 6.6mm dia.
  • Page 10 (a) Exclusive Warranty. Omron’s exclusive warranty is that the Products will be free from defects in materials and workmanship for a period of twelve months from the date of sale by Omron (or such other period expressed in writing by Omron). Omron disclaims all other warranties, express or implied.

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