Omron F3SS Instruction Manual
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Omron F3SS Instruction Manual

Omron F3SS Instruction Manual

F3ss series single beam safety sensor
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Cat. No. SCEE711-E2-1
F3SS Series
Single Beam Safety
Sensor
INSTRUCTION MANUAL

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Summary of Contents for Omron F3SS

  • Page 1 Cat. No. SCEE711-E2-1 F3SS Series Single Beam Safety Sensor INSTRUCTION MANUAL...
  • Page 2 - IEC 61496-2 (Type 4 AOPD) Notice If you use the F3SS under the condition or environment shown below, be sure to use it by leaving a mar- gin for each rating and function and taking system safety into consideration.

  • Page 3: Table Of Contents

    4-1-1 User Responsibility .......................... 6 4-2 Installation Procedure ..........................6 4-3 Perimeter Guarding Special Requirements ................... 6 4-4 Minimum Safe Mounting Distance and Mounting Height ............... 7 4-5 Switch Settings ............................8 4-5-1 Emitter and Receiver Code Switches ....................8 4-5-2 Operating Mode Switches .......................

  • Page 5: Significant Features And Requirements

    • Never use the F3SS for point of operation guarding. • The machine on which the F3SS is installed must be capable of stopping motion anywhere in its stroke or cycle. Do not use the F3SS on a power press with a full-revolution clutch. This product cannot be used in Japan as a safety device for pressing or shearing machines provided by article 42 of that law.

  • Page 6: Theory Of Operation

    The F3SS is a long-range, single-beam infrared safety control designed for perimeter and access guarding. In- terruption of the beam sends a stop signal to the guarded machine. A “redundant” microprocessor design com- bined with extensive fault mode and effects analysis provides safe, control reliable operation.
  • Page 7 Figure 2-1 Typical Installation 111.8 50.8 93.0 88.9 55.24 139.7 25. 4 Conduit PG 9 Mounting hardware 32.4 Groove for T-nut 20.5 13.0 50.8 35.1 27.3 47.6 Figure 2-2 System Drawing Figure 2-3 Indication position Figure 2-4 Switch and Terminal block position...

  • Page 8: Description Of Controls

    All switches and terminal blocks located on internal printed circuit assemblies (PCA) are accessed by removing the four captive screws which hold the emitter and receiver rear covers in place. For ease of access the PCA will slide approximately 1/2 way out of the housing. A stop is installed to keep the PCA from sliding completely out of the housing.

  • Page 9: Receiver Operating Mode Switch

    3-1-4 Emitter and Receiver Code Switches The infrared beam from a F3SS emitter must be set for one of four possible codes. The beam is coded to avoid cross talk from adjacent units and improve immunity to weld flash and sources of ambient light.

  • Page 10: Installation

    F3SS beam will cause an immediate stop of the hazardous motion. The machine or robot must only be restarted by the actuation of a start switch. This start switch must be located outside the area of hazard- ous motion and positioned such that the hazardous area can be observed by the switch operator.

  • Page 11: Minimum Safe Mounting Distance And Mounting Height

    S = the minimum distance from the danger zone to the detection point, line, plane or zone; K = a parameter in mm(inches) per second, derived from data on approach speeds of the body or parts of the body. It is recommended that a minimum value of 1600mm/sec(63 in/sec) be used. Faster speeds may be war- ranted.

  • Page 12: Switch Settings

    Figure 4-1 Installation Example Using Mirrors 4-5 Switch Settings 4-5-1 Emitter and Receiver Code Switches Both the emitter and the receiver must be set to the same code. Switch settings other than those given below will result in a fault condition. Code #...
  • Page 13 4-5 Switch Settings 4 Installation When determining which operating mode to select, it may be helpful to consult the functional flow charts which follow. START/RESTART INTERLOCK FUNCTION Indicators Solid-State Interlock Align Stop Safety Output F3SS Status Yellow Green Amber Current Source Power Off Power Supply "Off"...
  • Page 14 Machine Start Machine Run Condition Machine Run Interrupt Sensing Beam Sensing Beam Blocked Machine MPCE Contacts Sensing Beam Blocked Open Machine Stop Sensing Beam Clear Sensing Beam Clear Indicator On Indicator Off Figure 4-4 Automatic Start Mode Functional Flow chart...
  • Page 15 4-5 Switch Settings 4 Installation Dip switch Rear Cover Terminal block Pulled out PCB Receiver Dip Switch Rear Cover RTN +24VDC Terminal block Pulled out PCB Emitter Figure 4-5 Switches and Terminals...

  • Page 16: Electrical Connections

    4-6-3 Long cable length installation for Receiver For a receiver installed with a cable greater than 9mm(30 feet) in length and a load of less than 50mA. A load resistor, 1 K ohm, 1 watt (provided in hardware kit) must be installed between the output (+) and output (-) at...

  • Page 17: Safety Earth Connections

    Both emitter and receiver must be grounded to maintain EMC immunity. This is accomplished by attaching the safety earth wire to the inside of the emitter and receiver housing using the supplied ring lug and securing it un- der the supplied bolt and washer which fastens to a T-nut. A 8mm(5/16 inch) box wrench is helpful in performing this operation.
  • Page 18 These relay contacts must be force guided contacts. If load is less than 50 mA a resistormust be installed across the load. See page B-11. Note: DC power supply must be isolated from the power main and other devices.
  • Page 19 These relay contacts must be force guided contacts. If load is less than 50 mA a resistormust be installed across the load. See page B-11. Note: DC power supply must be isolated from the power main and other devices.
  • Page 20 E1 and E2:24VDC power supply (model S82K) Feedback loop Note: When connecting the F3SS and G9SA-301 models, do not use the start/restart interlock function incorporated in the F3SS model, only use the interlock function incorporated in the G9SA-301 model. Figure 4-8 Connection Method(Example of connection to Type G9SA-301 Safety Relay Unit [also applicable to category 4])

  • Page 21: Physical Mounting

    Figure 4-9 Unsafe Installation Method Figure 4-9 shows two emitter/receiver pairs. The pair on top is using beam code A and the pair on the bottom is using beam code B. The optical channels are indicated by solid lines. Each system is operating a different ma- chine.
  • Page 22 Reflective Surface Perimeter of danger area Figure 4-11 Example of correct mounting with proper alignment. In this example, the interruption of the beam is clearly detected. The reflective object is outside of the beam an- gle. Approach direction Beam Angle, a...

  • Page 23: Bracket Mounting Points

    4-8-3 Bracket Mounting Points The bracket included with the F3SS is designed to offer a wide range of mounting options and can be attached either to the bottom of the emitter and receiver (allowing the widest range of adjustment) or directly to the back cover of either unit.

  • Page 24: Troubleshooting And Maintenance

    Oil, dust and grease can build up on the plastic lens of the emitter and receiver and can affect operation of the F3SS. A periodic cleaning will prevent these problems. Clean the lenses with a mild detergent or glass cleaner.

  • Page 25: Accessories

    Table 6-1 Accessories for F3SS Model Number Description F39-MSG Front Surface Glass Mirror F39-MSS Polished Stainless-steel Mirror F39-LM45 Bracket for mounting above mirrors at 45° angle F39-LLK Laser Alignment Tool F39-LSP Mounting kit for F3SS sensor F39-LA Mounting kit for F39-MSG or F39-MSS mirror...

  • Page 26: Appendix A Test Procedures

    The following Test Procedure must always be performed by qualified personnel after the mounting, alignment and wiring steps are completed and before the F3SS is used to control the machine. To test the F3SS, use an opaque object of the appropriate size.
  • Page 27 Appendix A —Test Procedures WARNING If the F3SS and machinery did not function exactly as described in the Test Procedure, do not operate the machinery. If the machine safety devices, braking systems and controls do not operate properly, they cannot...

  • Page 28: Appendix B Checkout Procedure

    Hint: make a copy of the checkout procedure form and use the copy as the checkout log to be kept with the machine records. Use caution when working around hazardous voltages which may be present during this pro- cedure.

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