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G9SA
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For the most recent information on models that have been certified for safety standards, refer to your OMRON website. The G9SA Series Offers a Complete Line-up of Compact Units. • Four kinds of 45-mm wide Units are available: A 3-pole model, a 5-pole model, and models with 3 poles and 2 OFF-delay poles, as well as a Two-hand Controller. Also available are 17.5-mm wide Expansion Units with 3 poles and 3 OFF-delay poles. • Simple expansion connection. • OFF-delay models have 15-step OFF-delay settings. • Conforms to EN ISO13849-1 (PLe/Safety Category 4) *. • Both DIN track mounting and screw mounting are possible. * Except for some models. Refer to "Applicable Performance Level (PL)" on page 13, or "Reliability data for safety of control components_SISTEMA library" on OMRON's website. A Be sure to read the “Safety Precautions”on page 15 Model Number Structure Model Number Legend Note: 1. Please see “Ordering Information” on page 2 for the actual models that can be ordered. 2. Specify the power supply voltage when ordering. 1. Function None: Emergency stop EX: Expansion Unit 5. Input Configuration None: 1-channel or 2-channel input possible 6. OFF-delay Time (Max. setting time) None: No OFF-delay T075: 7.5 seconds T1 5: 15 seconds

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| Specify the power supply voltage when ordering. Emergency-stop Units Note: Set to maximum values in the factory.

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Power Input Item Model * When an Expansion Unit is connected, the power consumption is increased by 2 VA/2 W max. Inputs Item Model * When an Expansion Unit is connected, the input current is increased by 30 mA max. Contacts *1. The contact resistance was measured with 1 A at 5 VDC using the voltage-drop method. *2. Not Including bounce time. *3. The response time is the time it takes for the main contact to open after the input is turned OFF. Includes bounce time. *4. The insulation resistance was measured with 500 VDC at the same places that the dielectric strength was checked. *5....

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Control circuit Control circuit Control circuit Control circuit Control circuit Control circuit Control circuit Control circuit Note: 1. With 100 to 240-VAC type, be sure to connect PE to a protective ground. With 24-VAC/VDC type, if the power supply is not connected to a protective ground, be sure to connect PE to a protective ground. 2. With 24-VAC/VDC type, the power supply terminals A1 and A2 have polarities. A2 is the negative pole. *1. Use terminals A and B to switch reset mode. A to B open: Manual reset A to B closed: Auto-reset *2. Terminal T23 is used for 2-channel input with a...

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*1. Terminal T23 Terminal T23 is used for 2-channel input with a positive common (when connecting a safety sensor with a PNP output). When T23 is being used, please open T21 and T22. For 1-channel input, short circuit T12-T23 before use. *2. Output Contacts G9SA-301: Safety Output Contacts 13-14, 23-24, 33-34. Auxiliary Contact 41-42. G9SA-501: Safety Output Contacts 13-14, 23-24, 33-34, 43-44, 53-54. Auxiliary Contact 61-62. G9SA-321-TQ Safety Output Contacts 13-14, 23-24, 33-34. Safety OFF-delay Output Contact 43-44, 53-54. Auxiliary Contact 61-62. *3. Terminals A and B A-B Opening:...

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Dimensions and Terminal Arrangement Twenty, M3 Twenty-four, M3 Twenty-four, M3 Twenty-one, M3 Connector cover * Note 1: The OFF-delay time setting switch is found on the G9SA-321-T@ only. 2: The K1 to K4 indicators light when the NO contacts of internal relays K1 to K4 close. * Do not remove unless an Expansion Unit is being used. PWR (green) K1 (green) K2 (green) OFF-delay time setting switch (See note 1) Note 1: The OFF-delay time setting switch is found on the G9SA-EX031-T@ only. 2: The K1 and K2 indicators light when the NO contacts of internal relays K1 and K2 close. OFF-delay time...

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Application ExamplesG9SA-301 (24 VAC/VDC) with 2-channel Limit Switch Input/Auto-reset Highest achievable PL/ safety category Note: The above PL is only the evaluation result of the example. The PL must be evaluated in an actual application by the customer after confirming the usage conditions. •Application Overview • The power supply to the motor M is turned OFF when the S1 and S2 detect that the guard is opened. • The power supply to the motor M is kept OFF until the guard is closed. Timing Chart Limit switches S1 and S2 _ S1: Safety limit switch KM1 and KM2: Magnetic contactor...

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G9SA-301 (24 VAC/VDC) with 2-channel Limit Switch Input/Manual Reset Highest achievable PL/ safety category Note: The above PL is only the evaluation result of the example. The PL must be evaluated in an actual application by the customer after confirming the usage conditions. •Application Overview • The power supply to the motor M is turned OFF when the S1 and S2 detect that the guard is opened. • The power supply to the motor M is kept OFF until the guard is closed and the reset switch S3 is pressed. Safety limit switch Limit switch Reset switch Magnetic contactor Motor

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G9SA-301 (100 to 240 VAC) with 2-channel Limit Switch Input/Auto-reset Highest achievable PL/ safety category Note: The above PL is only the evaluation result of the example. The PL must be evaluated in an actual application by the customer after confirming the usage conditions. •Application Overview • The power supply to the motor M is turned OFF when the S1 and S2 detect that the guard is opened. • The power supply to the motor M is kept OFF until the guard is closed. Safety limit switch Limit switch Magnetic contactor Motor

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G9SA-301 (24 VAC/VDC) with 2-channel Emergency Stop Switch Input/Manual Reset Highest achievable PL/ safety category Note: The above PL is only the evaluation result of the example. The PL must be evaluated in an actual application by the customer after confirming the usage conditions. •Application Overview • The power supply to the motor M is turned OFF when the emergency stop switch is pressed. • The power supply to the motor M is kept OFF until the reset switch S2 is pressed while the emergency stop switch is released. Timing Chart Emergency stop switch S1 Reset switch S2 KM1 and...

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