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G9SE Series

G9SE Series
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G9SE Series

Product catalog summary
Overview: The G9SE Series Safety Relay Unit by Omron is designed for compact and efficient safety control, featuring a slim design for space-saving, easy maintenance with status indicators, and simple wiring using Push-In Plus terminal blocks.
Specifications: Models in the G9SE series offer 2 or 4 safety outputs, with options for OFF-delayed safety outputs. They comply with EN ISO 13849-1: PLe/Safety Category 4 and IEC 62061: SIL3 standards. The units have a slim design (17.5 or 22.5 mm) to save space in control panels.
Features: The series includes intuitive LED indicators for quick troubleshooting and Push-In Plus terminal blocks for tool-free wiring, reducing installation time by 50%.
Applications: Suitable for safety input devices like emergency stop switches, door switches, and light curtains, applicable in industries such as molding machines, machine tools, shrink-wrap machines, and elevators/escalators.
Model Variants: Models include G9SE-201 (2 safety outputs), G9SE-401 (4 safety outputs), and G9SE-221-T05/T30 (2 safety outputs with OFF-delay), offering flexibility in safety applications.
Technical Specifications: Operates at 24 VDC with up to 4 W power consumption, mechanical durability of 5,000,000 operations, and electrical durability of 50,000 operations. Designed for temperatures -10 to 55°C with IP20 protection.
Installation and Maintenance: Simplified installation with front-facing terminals and tool-free wiring. Equipped with status indicators for quick diagnostics and maintenance.
Application Examples:
  • Emergency Stop System: Cuts power to motor when emergency stop switch is pressed, achieving PLe/4 equivalent.
  • Safety Light Curtain System: Turns off power when blocked by a safety light curtain, achieving PLe/4 equivalent.
  • Guard Lock Safety System: Decelerates motor and cuts power after an OFF-delay, achieving PLe/4 equivalent.
Safety Precautions:
  • Use within an enclosure with IP54 protection or higher.
  • Disconnect power before wiring to prevent shock.
  • Do not exceed rated voltages or currents.
  • Verify correct wiring for safety functions.
  • Use SELV/PELV DC supply to prevent shock.
  • Conduct test operations under actual conditions.
  • Avoid use in flammable or explosive environments.
  • Use protective devices for short-circuit and ground fault protection.
  • Auxiliary outputs are not safety outputs.
  • Qualified personnel must confirm operations and maintenance.
  • Perform regular inspections.
  • Consult certification bodies for conformity to safety levels.
Precautions for Safe Use:
  • Handle with care to avoid damage.
  • Avoid exposure to damaging solvents.
  • Store in appropriate conditions.
  • Ensure proper ventilation and spacing when mounting.
  • Use appropriate wiring and avoid mixing AC and DC loads.
  • Set OFF-delay times appropriately.
Certified Standards: Complies with EN ISO13849-1: 2015 PL e Safety Category 4, IEC/EN 60947-5-1, IEC/EN 62061 SIL3, and other standards.
Specifications: Wire cross-sections range from 0.34 mm² (22 AWG) to 2 x 0.75 mm² (16 AWG). Recommended drivers include Type SZF0-0.4mmx2.5mm by Phoenix Contact and Type XW4Z-00B by Omron.
Procedures and Recommendations: Users should read the catalog before purchasing. Omron provides a twelve-month warranty against defects. Buyers are responsible for determining product suitability.
Standards and Limitations: Omron disclaims warranties related to non-infringement, merchantability, or fitness for a particular purpose. Liability is limited to the product's purchase price.
Product Information: The G9SE Series is noted for its slim design, easy maintenance, and simple wiring. Specifications may change without notice for improvement.
Contact Information: Contact details for Omron's regional headquarters in the USA, Europe, Asia Pacific, and China are provided for inquiries.
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Catalog excerpts

G9SE Series-1

» Simple wiring using Push-In Plus terminal block » Slim design to save mounting space » Easy maintenance with status indicators

 Open the catalog to page 1
G9SE Series-2

Compact and easy-to-install units with safety outputs Helps increase your productivity, from installation to mainte Omron's new G9SE series of safety relay units offers an easy approach for various simple safety applications. The G9SE saves mounting space, lowers installation cost with Push-In Plus terminal block, and reduces operational cost with intuitive diagnostic indicators. 17.5 mm Slim design to save mounting space The slim design of only 17.5 or 22.5 mm saves space in the control panel. [Applicable safety standards] EN ISO 13849-1: PLe/Safety Category 4 IEC 62061: SIL3 EN81-1/-2/-20/50...

 Open the catalog to page 2
G9SE Series-3

nance For various safety input devices A wide variety of safety input devices such as emergency stop switches, door switches, and light curtains can be connected. OFF-delayed safety output models are also available. 2 safety outputs with OFF-delay Door switch Door switch Door switch Opto sensor Opto sensor Opto sensor Safety OFF-delay contact

 Open the catalog to page 3
G9SE Series-4

Simple wiring using Push-In Plus terminal block Easy and reliable installation and maintenance When the conventional model with terminals on the top and bottom of the unit is installed in a small control panel, it is difficult to secure sufficient space for wiring. The Push-In Plus terminal block on the front of the G9SE make installation easier and much quicker. Conventional Models ∙ Difficult to use the to screwdriver for wiring rear terminals Terminal No. distinguish rear ∙ Difficult todue to showing their terminals numbers on the front of the unit G9SE insert ∙ No tool required. Justwiring. the...

 Open the catalog to page 4
G9SE Series-5

Faster troubleshooting with status indicators The indicators of conventional safety relay units only indicate the operating status of the internal relays (K1/K2), and it is difficult to check the operation or connection of safety input devices. The new intuitive LED indicators of the G9SE show the operating status of safety inputs and outputs, enabling faster and more accurate troubleshooting when the equipment stops. When the G9SE detects an error, such as input wiring, an indicator will blink to show where the error has occurred. This minimizes downtime to identify the cause when the equipment...

 Open the catalog to page 5
G9SE Series-6

Applications Molding machine Safety circuit for machine Safety relay unit G9SE Door position and open/close detection Safety limit switch D4B-□N Small safety limit switch D4N/D4F Emergency stop for machine Emergency stop switch A22NE-P Machine tool Safety circuit for machine Safety relay unit G9SE Door open/close detection Guard lock safety-door switch D4SL-N Emergency stop for machine Emergency stop switch A22NE-P

 Open the catalog to page 6
G9SE Series-7

Shrink-wrap machine Safety circuit for machine Safety relay unit G9SE Detecting entry Safety light curtain F3SG-R series F3SJ series Emergency stop for machine Emergency stop switch A22NE-P Elevator/escalator Safety ci circuit for machine Safety relay unit rela G9SE Door pos position and open/close detection Safety limi switch limit D4B-□N Small safe limit switch safety D4N/D4F Emergenc Emergency stop for machine Emergency stop switch A22NE-P

 Open the catalog to page 7
G9SE Series-8

Safety Relay Unit Complete line-up of compact units, including OFF-delayed safety output models • 17.5 or 22.5 mm width to save mounting space • Simple wiring using Push-In Plus terminal block • Easy maintenance with status indicators • One unit for various safety devices, from contact input to PNP input Model Number Structure Model Number Legend G9SE - (1) Function None: Emergency stop (3) Safety Output Configuration (OFF-delayed Output) 0: None 2: DPST-NO (4) Auxiliary Output Configuration 1: PNP output Ordering Information *1 The OFF-delay time can be set in 16 steps as follows: T05: 0/0.1/0.2/0.3/0.4/0.5/0.6/0.7/0.8/1/1.5/2/2.5/3/4/5...

 Open the catalog to page 8
G9SE Series-9

Power Input *1 Power consumption of loads not included. *2 The operating time is the time it takes for the safety contact to close after the safety inputs and feedback-reset input are turned ON. Not includes bounce time. *3 This is in normal operation. When executing non-regular self-diagnosis for Safety output circuit, G9SE operating time become 500 ms max.. *4 The response time is the time it takes for the safety main contact to open after the safety input is turned OFF. Includes bouncetime. *5 This is initial value using the voltage-drop method with 1A at 5VDC. *6 Use for each contact output...

 Open the catalog to page 9
G9SE Series-10

Connection Internal Connection G9SE-201 A^Tr^Tl^Ta^Ta^T^j)-[] Power supply circuit Reset/ Feedback Input Auxiliary Output Safety Outputs (instanta neous) Reset/ Feedback Input Auxiliary Output Power supply circuit

 Open the catalog to page 10
G9SE Series-11

G9SE Wiring of inputs and outputs Signal Name Power supply input The input terminals for power supply. Connect the power supply plus to the A1 terminal. Connect the power source to the A1 and A2 terminals. Connect the power supply minus to the A2 terminal. 1-channel Safety input Safety input 1 T11 T12 T21 T22 Safety sensor To set Safety outputs in ON state, HIGH state signals must be input to both of Safety input 1 and Safety input 2. Otherwise Safety outputs cannot be in ON state. Feedback loop To set Safety outputs in ON state, ON state signal must be input to T33. Otherwise Safety outputs...

 Open the catalog to page 11
G9SE Series-12

Appearance and Explanation of Each Parts Type G9SE-201 Type G9SE-201 Type G9SE-201@ OFF-delay time preset switch Power Supply Reset/Feedback Input Auxiliary output Safety Outputs (Instantaneous) Safety Outputs (OFF-delay) Dimensions and Terminal arrangement Terminal arrangement and LED indicators G9SE-201 Mounting holes Type G9SE-201 Type G9SE-401 Type G9SE-221-T@

 Open the catalog to page 12
G9SE Series-13

Application Examples 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 • Immediately removes power to motor M when emergency stop switch S1 is pressed. • The power to motor M is kept removed until emergency stop switch S1 is released and reset switch S2 is pressed. Timing Chart S1: Emergency stop switch S2: Reset switch KM1, KM2: Magnetic contactor M: Motor

 Open the catalog to page 13

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.