G9SA. Safety Relay Unit. The G9SA Series Offers a Complete Line-up of Compact Units. Model Number Structure

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1 Safety Relay Unit G9 CSM_G9_DS_E The G9 Series Offers a Complete Line-up of Compact Units. Four kinds of -mm wide Units are available: A -pole model, a -pole model, and models with poles and OFF-delay poles, as well as a Two-hand ler. Also available are 7.-mm wide Expansion Units with poles and OFF-delay poles. Simple expansion connection. OFF-delay models have -step OFF-delay settings. Conforms to EN standards. (BG approval) Both DIN track mounting and screw mounting are possible.. Be sure to read the Safety Precautions on page Model Number Structure Model Number Legend G9-@@@@@@-@@@@. Function None: Emergency stop EX: Expansion Unit : Two-hand ler. Contact Configuration (Safety Output) 0: None : PST-NO : PST-NO. Contact Configuration (OFF-delay Output) 0: None : DPST-NO : PST-NO. Contact Configuration (Auxiliary Output) 0: None : SPST-NC. Input Configuration None: -channel or -channel input possible. OFF-delay Time (Max. setting time) None: No OFF-delay T07: 7. seconds T: seconds T0: 0 seconds Note: Please see Ordering Information on page for the actual models that can be ordered.

2 Ordering Information G9 Emergency-stop Units Main contacts Auxiliary contact Number of input channels Rated voltage Model PST-NO PST-NO SPST-NC Emergency-stop OFF-delay Units channel or channels possible VAC/VDC 00 to 0 VAC VAC/VDC 00 to 0 VAC G9-0 G9-0 Main contacts OFF-delay contacts Auxiliary contact PST-NO DPST-NO SPST-NC Number of input channels channel or channels possible Note: Set to maximum values in the factory. * The following -step OFF-delay time settings are available: T07: 0.,,.,,.,,.,,.,,.,,., 7, and 7. s T:,,,,,, 7, 8, 9, 0,,,,, and s T0:,,, 8, 0,,,, 8, 0,,,, 8, and 0 s OFF-delay time 7. s s 0 s Rated voltage VAC/VDC 00 to 0 VAC VAC/VDC 00 to 0 VAC VAC/VDC 00 to 0 VAC Model G9--T07 G9--T G9--T0 Two-hand ler Main contacts Auxiliary contact Number of input channels Rated voltage Model PST-NO SPST-NC channels Expansion Unit The Expansion Unit connects to a G9-0, G9-0, G9-, or G9-0. Expansion Units with OFF-delay Outputs The Expansion Unit connects to a G9-0, G9-0, G9-, or G9-0. Note: Set to maximum values in the factory. * The following -step OFF-delay time settings are available: T07: 0.,,.,,.,,.,,.,,.,,., 7, and 7. s T:,,,,,, 7, 8, 9, 0,,,,, and s T0:,,, 8, 0,,,, 8, 0,,,, 8, and 0 s VAC/VDC 00 to 0 VAC G9-0 Main contacts Auxiliary contact Model PST-NO SPST-NC G9-EX0 Main contact form Auxiliary contact OFF-delay time Model PST-NO SPST-NC 7. s G9-EX0-T07 s G9-EX0-T 0 s G9-EX0-T0

3 Specifications G9 Ratings Power Input Item Model G9-0/0 G9-0 Power supply voltage Operating voltage range Power consumption * * When an Expansion Unit is connected, the power consumption is increased by VA/ W max. Inputs * When an Expansion Unit is connected, the input current is increased by 0 ma max. Contacts Characteristics VAC/VDC:.8 VA/.7 W max. 00 to 0 VAC: 9 VA max. VAC/VDC: VAC, 0/0 Hz, or VDC 00 to 0 VAC:00 to 0 VAC, 0/0 Hz 8% to 0% of rated power supply voltage VAC/VDC:.8 VA/. W max. 00 to 0 VAC: VA max. Item Model G9-0/-T@/0 G9-0 Input current * 0 ma max. 0 ma max. Model G9-0/0/-T@/0/EX0/EX0-T@ Item Load Resistive load Rated load Rated carry current 0 VAC, A 0 VDC, A A *. The contact resistance was measured with A at VDC using the voltage-drop method. *. Not Including bounce time. *. The response time is the time it takes for the main contact to open after the input is turned OFF. Includes bounce time. *. The insulation resistance was measured with 00 VDC at the same places that the dielectric strength was checked. *. The durability is for an ambient temperature of to C and an ambient humidity of % to 7%. *. Weight shown is for -VAC/VDC type. For 00 to 0-VAC type, add approximately 0 g. VAC/VDC:. VA/. W max. 00 to 0 VAC:. VA max. Item Model G9-0/0 G9-0/-T@ G9-EX0/EX0-T@ Contact resistance * Operating time * Response time * 00 mω 0 ms max. 0 ms max. Insulation resistance * 00 MΩ min. (at 00 VDC) Between different outputs Between inputs and outputs Dielectric strength Between power inputs and outputs,00 VAC, 0/0 Hz for min Between power inputs and other inputs (only for 00 to 0-V models) Vibration resistance 0 to to 0 Hz, 0.7-mm single amplitude (0.7-mm double amplitude) Shock Destruction 00 m/s resistance Malfunction 00 m/s Durability * Mechanical,000,000 operations min. (at approx. 7,00 operations/hr) Electrical Failure rate (P Level) (reference value) Ambient operating temperature 00,000 operations min. (at approx.,800 operations/hr) VDC, ma to C (with no icing or condensation) Ambient operating humidity % to 8% Terminal tightening torque 0.98 N m Weight * Approx. 0 g Approx. 70 g Approx. 0 g

4 Connections Internal Connections G9 G9-0 ( VAC/VDC) G9-0 (00 to 0 VAC) A A T T T T a K K b a b K JP PE T T T A B * * * * G9-0 ( VAC/VDC) G9-0 (00 to 0 VAC) A A T T T T a K K K K b a b K K K JP PE T T T A * * G9--T@ ( VAC/VDC) B * * G9--T@ (00 to 0 VAC) A A T T T T a K K b K K Off delay timer K a K b K JP Off delay timer PE T T T A B * * * * * * G9-0 ( VAC/VDC) G9-0 (00 to 0 VAC) A A T T T T T K K JP PE T T T C D G9-EX0 K K K G9-EX0-T@ K Off delay timer Note:. With 00 to 0-VAC type, be sure to connect PE to a protective ground. With -VAC/VDC type, if the power supply is not connected to a protective ground, be sure to connect PE to a protective ground.. With -VAC/VDC type, the power supply terminals A and A have polarities. A is the negative pole. *. Use terminals A and B to switch reset mode. A to B open: Manual reset A to B closed: Auto-reset *. Terminal T is used for -channel input with a positive common (when connecting a safety sensor with a PNP output). When using T, make sure that T and T are open. For -channel input, make sure that T and T are shorted. *. Terminals - and terminals - are OFF-delayed outputs.

5 G9 Wiring of Inputs and Outputs Signal name Terminal name Description of operation Power supply input A, A The input terminals for power supply. Connect the power source to the A and A terminals. DC inputs have polarity, so A should be connected to the positive side and A to the negative side. Safety input T, T To set the safety outputs in the ON state, the ON state signals must be input to both safety input and Safety input T, T, T * safety input. Otherwise the safety outputs cannot be in the ON state. Feedback/reset input T, T To set the safety outputs in the ON state, the ON state signal must be input to T - T. Otherwise the safety outputs cannot be in the ON state. Instantaneous safety outputs See below. * Turns ON/OFF according to the state of the safety inputs and feedback/reset inputs. During OFF-delay state, the Instantaneous safety outputs are not able to turn ON. OFF-delayed safety outputs See below. * OFF-delayed safety outputs. The OFF-delay time is set by the OFF-delay preset switch. Auxiliary output See below. * Synchronized with Instantaneous Safety Output. Manual/Auto selector input A, B * Switch between Auto Reset and Manual Reset modes. Ground terminal PE Be sure to connect the PE terminal to a protective earth for 00-0 VAC models. Where the VAC/VDC model power supply is not grounded, lease be sure to connect the PE to a protective earth. *. Terminal T Terminal T is used for -channel input with a positive common (when connecting a safety sensor with a PNP output). When T is being used, please open T and T. For -channel input, short T-T before use. *. Output Contacts G9-0: Safety Output Contacts -, -, -. Auxiliary Contact -. G9-0: Safety Output Contacts -, -, -, -, -. Auxiliary Contact -. G9--T@: Safety Output Contacts -, -, -. Safety OFF-delay Output Contact -, -. Auxiliary Contact -. *. Terminals A and B A-B ing: Manual Reset A-B Short Circuit: Auto Reset

6 G9 Dimensions and Terminal Arrangement (Unit: mm) G9-0 G9-0 G9-0 G9-0 Terminal Arrangement G9-0 G PWR (green) K (green) (green) T T T T T A PWR (green) K (green) (green) K (green) K (green) T T A B PE A T T T T T A T T A B PE A (See note.) PWR (green) K (green) (green) T T T T T A T T T C PE A D. dia..9 7 = G9-0: Twenty, M G9-0: Twenty-four, M G9--T@: Twenty-four, M G9-0: Twenty-one, M Mounting Holes Two,. dia. or M 9 (See note ) 7 max. 8±0. Connector cover *. 9 max. Note : The OFF-delay time setting switch is found on the G9--T@ only. : The K to K indicators light when the NO contacts of internal relays K to K close. * Do not remove unless an Expansion Unit is being used. R. max. ±0. G9-EX0 G9-EX0-T@ Mounting Holes Two,. dia. or M Terminal Arrangement G9-EX0 G9-EX0-T@ 9 87±0. PWR (green) K (green) (green) 0. Eight, M OFF-delay time setting switch (See note ). dia max. Note : The OFF-delay time setting switch is found on the G9-EX0-T@ only. : The K and indicators light when the NO contacts of internal relays K and close.. OFF-delay time setting switch (See note ). R. 7. max. 70 max.

7 G9 Application Examples G9-0 ( VAC/VDC) with -channel Limit Switch Input/Auto-reset Limit switches S and S K and K and S: Safety Limit Switch with direct opening mechanism (DB-N, DN, DF) S: Limit switch : Magnetic Contactor M: -phase motor Note: This achieves Safety Category. G9-0 ( VAC/VDC) with -channel Limit Switch Input/Manual Reset Limit switches S and S Reset switch S K and K and PLC input PLC output KM S: Safety Limit Switch with direct opening mechanism (DB-N, DN, DF) S: Limit switch S: Reset switch : Magnetic Contactor KM: GJ Solid-state Contactor (GJ) M: -phase motor Note: This achieves Safety Category. 7

8 G9 G9-0 (00 to 0 VAC) with -channel Limit Switch Input/Auto-reset Limit switches S and S K and K and AC DC S: Safety Limit Switch with direct opening mechanism (DB-N, DN, DF) S: Limit switch : Magnetic Contactor M: -phase motor Note: This achieves Safety Category. G9-0 ( VAC/VDC) with -channel Emergency Stop Switch Input/Manual Reset Emergency stop switch S Reset switch S K and K and PLC input PLC output KM S: Emergency stop switch with direct opening mechanism (AE or AE) S: Reset switch : Magnetic Contactor KM: GJ Solid-state Contactor (GJ) M: -phase motor Note: This achieves Safety Category. 8

9 G9 ( VAC/VDC) with -channel Limit Switch Input/Manual Reset Off delay timer S: Safety Limit Switch with direct opening mechanism (DB-N, DN, DF) S: Limit switch S: Reset switch : Magnetic Contactor M: -phase motor Note: This achieves Safety Category. The OFF-delay output, however, achieves Safety Category. Operation instruction Motor controller Limit switches S and S Reset switch S K and K and K and K K and K Operation instruction Motor rotation OFF-delay time 9

10 G9 ( VAC/VDC) + G9-EX0-T@ with -channel Limit Switch Input/Manual Reset Off delay timer Off delay timer S: Safety Limit Switch with direct opening mechanism (DB-N, DN, DF) S: Limit switch S: Reset switch KM, KM, KM, and KM: Magnetic Contactor M, M: -phase motor Note: This achieves Safety Category. The OFF-delay output, however, achieves Safety Category. Operation instruction Motor controller Operation instruction Motor controller Limit switches S and S Reset switch S G9--T@ K and G9--T@ K and G9--T@ K and K G9--T@ K and K Operation instruction Motor M rotation G9-EX0 K and G9-EX-0 K and OFF-delay time KM and KM KM and KM Operation instruction Motor M rotation OFF-delay time 0

11 G9 G9-0 ( VAC/VDC) with -channel Safety Sensor/Manual Reset Emitter Receiver FSJ-A Incident Interrupted Reset switch S K and K and FSJ-A PLC input PLC output KM Shield 0V (Blue) (Red) Test input (Green) Reset input (Yellow) Interlock selection input (White) +V (Brown) RS-8(A) (Gray) RS-8(B) (Pink) +V (Brown) EDM input (Red) Auxiliary (Yellow) * OSSD (Green) OSSD (White) 0V (Blue) Shield FSJ-A: Safety sensor S: Reset switch : Magnetic Contactor KM: GJ Solid-state Contactor (GJ) M: -phase motor E: -VDC Power Supply (S8K) Note: This achieves Safety Category. * The FSJ-A auxiliary output wiring is shown for dark-on operation. KM E

12 G9 G9-0 ( VDC) with -hand Inputs S S S S 0. s max. Input time difference operates only when the difference is 0. s max. C D S, S: Two-hand pushbutton switches : Magnetic Contactor Note:. Use a NC+NO switch for S and S.. This achieves Safety Category.

13 G9 G9-0 ( VAC/VDC) and G9-EX0 with -channel Limit Switch Input/Manual Reset S: Safety Limit Switch with direct opening mechanism (DB-N, DN, DF) S: Limit switch S: Reset switch : Magnetic Contactor M: -phase motor Limit switches S and S Reset switch S G9-0 K,, K and K G9-0 K,, K, and K G9-EX0 K and G9-EX0 K and Note: This achieves Safety Category.

14 Safety Precautions G9 Refer to the Precautions for All Relays and Precautions for All Relays with Forcibly Guided Contacts.!CAUTION Turn OFF the G9 before wiring the G9. Do not touch the terminals of the G9 while the power is turned ON, because the terminals are charged and may cause an electric shock. Connecting Inputs If using multiple G9 models, inputs cannot be made using the same switch. This is also true for other input terminals. Incorrect Precautions for Correct Use Failure Detection for Slow-starting Power Supply When using a power supply with a long start-up time, if power is switched on while input has been closed the internal s will detect a power voltage error and the product will not operate. Apply the voltage to the product once the voltage has reached its rated level. Installation The G9 can be installed in any direction. Wiring Use the following to wire the G9. Stranded wire: 0.7 to. mm Solid wire:.0 to. mm Tighten each screw to a torque of 0.78 to.8 N m, or the G9 may malfunction or generate heat. External inputs connected to T and T or T and T must be no-voltage contact inputs. PE is a ground terminal. When a machine is grounded at the positive, the PE terminal should not be grounded. Connector Cover Do not remove the connector cover of the G9-0, G9-0, G9--T@, or G9-0 unless an Expansion Unit is being used. Mounting Expansion Units Turn OFF the G9 before connecting the Expansion Unit. When an Expansion Unit is being used, remove the connector cover from the G9 Safety Relay Unit (G9-0, G9-0, G9--T@, or G9-0) and insert the connector of the Expansion Unit s connector cable. Mounting Multiple Units When mounting multiple Units close to each other, the rated current will be A. Do not apply a current higher than A. Applicable Safety Category (EN9-) G9-series Relays meet the requirements of Safety Category of the EN9- standards when they are used as shown in the examples provided by OMRON. The Relays may not meet the standards in some operating conditions. The OFF-delay output of models G9--T@ and EX0-T@, however, conform to Safety Category. The applicable safety category is determined from the whole safety control system. Make sure that the whole safety control system meets EN9- requirements. T T G9 T T G9 Ground Shorts The G9 internal s have a positive thermistor () built in, which will detect ground short malfunctions (where S and S are grounded) and -channel and -channel short malfunctions, and cut off the safety output. If the short breakdown is repaired, the G9 automatically recovers. Resetting Inputs When only channel of the -channel input turns OFF, the safety output is interrupted. In order to restart when this happens, it is necessary to turn OFF and ON both input channels. It is not possible to restart by resetting only channel. Resetting Inputs During OFF Delay Time The G9--T@ operates as follows according to the reset mode when the inputs are to be re-entered during the OFF delay time of the G9--T@: For auto reset, after the OFF delay time has ended, the outputs will turn OFF, and then the outputs will turn ON again. For manual reset, after the OFF delay time has ended, the outputs will turn OFF, and then the outputs will turn ON again when the reset is input. Durability of Contact Outputs Relay with Forcibly Guided Contact durability depends greatly on the switching condition. Confirm the actual conditions of operation in which the Relay will be used in order to make sure the permissible number of switching operations. When the accumulated number of operation exceeds its permissible range, it can cause failure of reset of safety control. In such case, please replace the Relay immediately. If the Relay is used continuously without replacing, then it can lead to loss of safety function. Certified Standards The G9-0/0/-T@/0/EX0/EX0-T@ conform to the following standards. EN standards, certified by BG: EN9- EN00- EN7 (G9-0 only) Conformance to EMC (Electromagnetic Compatibility) Certified by TÜV SÜD: G9 (-0) VAC/VDC G9-EX0/EX0-T@ Certified by TÜV Rheinland: G9 (-0) 00-0 VAC EMI (Emission): EN0 Group Class A EMS (Immunity): EN000-- UL standards: UL08 (Industrial Equipment) C standards: C C. No. (Industrial Equipment)

15 Read and Understand This Catalog Please read and understand this catalog before purchasing the products. Please consult your OMRON representative if you have any questions or comments. Warranty and Limitations of Liability WARRANTY OMRON's exclusive warranty is that the products are free from defects in materials and workmanship for a period of one year (or other period if specified) from date of sale by OMRON. OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, REGARDING NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR PARTICULAR PURPOSE OF E PRODUCTS. ANY BUYER OR USER ACKNOWLEDGES AT E BUYER OR USER ALONE HAS DETERMINED AT E PRODUCTS WILL SUITABLY MEET E REQUIREMENTS OF EIR INTENDED USE. OMRON DISCLAIMS ALL OER WARRANTIES, EXPRESS OR IMPLIED. LIMITATIONS OF LIABILITY OMRON SHALL NOT BE RESPONSIBLE FOR SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES, LOSS OF PROFITS OR COMMERCIAL LOSS IN ANY WAY CONNECTED WI E PRODUCTS, WHEER SUCH CLAIM IS BASED ON CONTRACT, WARRANTY, NEGLIGENCE, OR STRICT LIABILITY. In no event shall the responsibility of OMRON for any act exceed the individual price of the product on which liability is asserted. IN NO EVENT SHALL OMRON BE RESPONSIBLE FOR WARRANTY, REPAIR, OR OER CLAIMS REGARDING E PRODUCTS UNLESS OMRON'S ANALYSIS CONFIRMS AT E PRODUCTS WERE PROPERLY HANDLED, STORED, INSTALLED, AND MAINTAINED AND NOT SUBJECT TO CONTAMINATION, ABUSE, MISUSE, OR INAPPROPRIATE MODIFICATION OR REPAIR. Application Considerations SUITABILITY FOR USE OMRON shall not be responsible for conformity with any standards, codes, or regulations that apply to the combination of products in the customer's application or use of the products. At the customer's request, OMRON will provide applicable third party certification documents identifying ratings and limitations of use that apply to the products. This information by itself is not sufficient for a complete determination of the suitability of the products in combination with the end product, machine, system, or other application or use. The following are some examples of applications for which particular attention must be given. This is not intended to be an exhaustive list of all possible uses of the products, nor is it intended to imply that the uses listed may be suitable for the products: Outdoor use, uses involving potential chemical contamination or electrical interference, or conditions or uses not described in this catalog. Nuclear energy control systems, combustion systems, railroad systems, aviation systems, medical equipment, amusement machines, vehicles, safety equipment, and installations subject to separate industry or government regulations. Systems, machines, and equipment that could present a risk to life or property. Please know and observe all prohibitions of use applicable to the products. NEVER USE E PRODUCTS FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY WIOUT ENSURING AT E SYSTEM AS A WHOLE HAS BEEN DESIGNED TO ADDRESS E RISKS, AND AT E OMRON PRODUCTS ARE PROPERLY RATED AND INSTALLED FOR E INTENDED USE WIIN E OVERALL EQUIPMENT OR SYSTEM. PROGRAMMABLE PRODUCTS OMRON shall not be responsible for the user's programming of a programmable product, or any consequence thereof. Disclaimers CHANGE IN SPECIFICATIONS Product specifications and accessories may be changed at any time based on improvements and other reasons. It is our practice to change model numbers when published ratings or features are changed, or when significant construction changes are made. However, some specifications of the products may be changed without any notice. When in doubt, special model numbers may be assigned to fix or establish key specifications for your application on your request. Please consult with your OMRON representative at any time to confirm actual specifications of purchased products. DIMENSIONS AND WEIGHTS Dimensions and weights are nominal and are not to be used for manufacturing purposes, even when tolerances are shown. PERFORMANCE DATA Performance data given in this catalog is provided as a guide for the user in determining suitability and does not constitute a warranty. It may represent the result of OMRON s test conditions, and the users must correlate it to actual application requirements. Actual performance is subject to the OMRON Warranty and Limitations of Liability. ERRORS AND OMISSIONS The information in this document has been carefully checked and is believed to be accurate; however, no responsibility is assumed for clerical, typographical, or proofreading errors, or omissions. OMRON Corporation Industrial Automation Company In the interest of product improvement, specifications are subject to change without notice. (c)copyright OMRON Corporation 009 All Right Reserved.