96M13268 Intelligent Safety Relay Unit SL-R11 Instruction Manual NOTICE Do not attempt to operate or service this machine until you have read and understood the instructions written in this manual. 00_SL-R11E.p65 1 14.9.
Contents Safety Precautions 1. 2. 3. 4. 5. 6. 7. 1 1-1 1-2 1-3 1-4 2 2-1 2-2 2-3 2-4 2-5 2-6 2-7 2-8 2-9 2-10 2-11 2-12 3 3-1 3-2 3-3 3-4 Safety Headings .................................................................................................................................... iii General Precautions ............................................................................................................................. iii Warning ...........................................................
4 Wiring 4-1 Method for Connection to the SL-C Series ...................................................................................... 4-2 Method for Wiring to the Relay Output Terminal.............................................................................. 4-2-1 How to Replace the Relay Output Terminal Block ...................................................................... 4-3 Method for Wiring to Signal Input Terminals ....................................................................
Safety Precautions This manual describes handling, operation, and precautionary information for the Intelligent Safety Relay Unit (SL-R11). Read this manual thoroughly before operating the SL-R11 in order to understand device features, and keep this instruction manual readily available for reference. 1. Safety Headings This instruction manual uses the following headings to display important safety information. Strict adherence to the instructions next to these headings is required at all times.
3. Warning ■ Operators • In order for the SL-R11 to operate properly, the responsible personnel and machine operators must follow all procedures described in this instruction manual. • No person other than the responsible personnel and machine operators should be allowed to install or test the SL-R11. • When performing electrical wiring, always follow electrical standards and regulations for the country or region in which the SL-R11 is being used.
5. Testing and Maintenance • • • • Always perform testing in accordance with the test procedures after maintenance, adjustment, or calibration of the target machine or the SL-R11, and before the machine start-up. If the SL-C or SL-R11 does not operate properly when tested in accordance with the test procedures established in this instruction manual, do not operate the machine.
Chapter 1 Specifications 1 Specifications Integration with the SL-C SL-C Series+ SL-R11 (Intelligent Safety Relay Unit) + SL-U2 (Dedicated power supply unit) 1 Dete ctio n zo ne SL-PC5P (5m (16.4 ft.)) cable for transmitter (gray) * 10 m (32.81 ft.) SL-PC10P cable SL-R11 intelligent safety relay unit SL-PC5P (5m (16.4 ft.)) cable for receiver (black) * 10 m (32.81 ft.
Chapter 1 Specifications 1-1 Part Names This chapter gives the names of the SL-R11 parts.
Chapter 1 Specifications 1-2 Specifications Model Safety Light Curtain Power supply voltage Rating Current consumption Output FSD1, 2 AUX Lifespan Response time FSD1, 2, AUX Response time during E-STOP input Environmental Protective structure specifications Ambient temperature Storage ambient temperature Relative humidity Storage ambient humidity Vibration Shock Material Weight Approved EMC standards *1 Safety EMS EMI SL-R11 SL-C Series 24V DC ±10% ripple (P-P) 10% max. 150mA max.
Chapter 1 Specifications 1-4 Power Supply Precautions 1-4-1 Power Units that Can Be Used as Power Supplies for SL-C Series and SL-R11 1 The power supply units that can be used as the power supply for SL-C Series and SL-R11 must completely satisfy the following requirements in order to satisfy the requirements of UL61496-1 for the SL-C Series and SL-R11. (a) Rated output voltage is 24V DC ±10%.
Chapter 1 Specifications SL-U2 Model System Input power supply voltage Overvoltage category Switching type AC 100 to 240 V ±10 % (50/60 Hz) II DC 24 V ±10 %, Class 2 240 mVp-p or less 1.8 A -10 °C to +55 °C (non-freezing) 35 % to 85 % RH (non-condensing) 2 AC 1,500 V, 1 min. (between all external terminals and case) 10 to 55 Hz, 0.7 mm (0.
Chapter 1 Specifications MEMO 1 English ENGLISH 1-6 01_SL-R11E.p65 6 14.9.
Chapter 2 Functions 2 Functions 2-1 Start Interlock This function keeps the FSD turned off when the power to the SL-R11 is turned on. At this time, the FSD will not turn on even when the SL-C Series connected to the SL-R11 is clear of any obstruction in the detection zone. In order to cancel the start interlock status (in other words, to turn the FSD ON to allow the machine to start), the start/restart input must be input when there are no obstacles in the detection zone.
Chapter 2 Functions 2-4 MPCE (Machine Primary Control Element) Monitor MPCE (Machine Primary Control Element) is the machine's main control element and is used between the SL-R11 control output (FSD) and the machine to directly control the machine start/stop. The MPCE uses safety relays, contactors, and so on, and inputting the feedback signal from these to the MPCE monitor input terminal provided in the SL-R11 makes it possible to monitor MPCE errors.
Chapter 2 Functions 2-5 Main/Sub Setting This is set when making a light interference prevention connection to the SL-C Series. Be sure to read about the light interference prevention connection from the “Safety Light Curtain SL-C Series Instruction Manual.
Chapter 2 Functions 2-9 Relay Replacement and Terminal Block Installation Removal Function This function makes it possible to replace the relay without changing the SL-R11 wiring. This eliminates having to redo the wiring each time the relay is replaced and limits wiring mistakes made during rewiring. ➮ For details, See page 6-1 “6-2 Relay Circuit Board Replacement”.
Chapter 2 Functions 2-11 Mode Switch Settings TR MODE SWITCH 1,5 MPCE MONITOR 2,6 START INTERLOCK FSD-ON TEST RESTART INTERLOCK FSD-OFF MPCE 3,7 POWER RESTART INTERLOCK E-STOP1 2 ON 4,8 LOCKOUT E-STOP2 1 2 See Instruction Manual. Mode switch 3 4 5 6 7 8 CAUTION Electric shock Mode switch function and setting states No.
Chapter 2 Functions 3. Refer to the table on page 2-5 and change the mode switches. 2 4. Close the switch cover, and use a screwdriver to tighten the screws to secure the cover. (The recommended tightening torque is 0.08 N•m.) 5. Turn on the SL-R11 power, Refer to Chapter 5. Checklist (➮ page 5-1) and check the operation. CAUTION WARNING English ENGLISH 2-6 • The mode switch settings cannot be changed while the power is on. Be sure to turn the power off before making changes.
Chapter 2 Functions 2-12 I/O Circuit TEST input +5V TEST input +5V 3 2 Main Control Circuit 4 0V 0V MPCE monitor 24 V 7 Main Control Circuit MPCE1 MPCE2 8 0V 0V 0V E-STOP1, E-STOP2 + 9 - E-STOP 1 10 + 11 - E-STOP control circuit E-STOP 2 12 Start/restart input 24 V 1 ENGLISH 2 0V 0V 0V 2-7
Chapter 2 Functions FSD1, 2 (Safety relay) Main Control Circuit 2 AUX (Relay)1 English ENGLISH 2-8
Chapter 3 Mounting and Installation 3 Mounting and Installation 3-1 Installation Location Select an appropriate installation location taking into consideration the cable length to the SL-C Series and the SL-R11 operating environment. Install the SL-R11 in an appropriate enclosure with a minimum protective construction of IP54, such as in the control panel. The SL-R11 is a dedicated control unit for the safety light curtain SL-C Series, so be sure to use it with the SL-C Series connected.
Chapter 3 Mounting and Installation DIN Rail Removal Method (Front View) DIN rail Push down using a screwdriver. Hook B About installation inside control panels Always leave at least 30 mm (1.18") of open space between the SL-R11 and other equipment or walls. 3 30mm (1.18") 30mm (1.18") SL-R11/SL-U2 30mm (1.18") * When using the SL-U2, position the SL-U2 at least 30 mm (1.18") from the edge of the cabinet.
Chapter 3 Mounting and Installation 3-3 Wall Mounting Using Screws The screw fastening holes in the SL-R11 can be used to directly attach the SL-R11 to the wall. Dimensional drawing 2-ø4.2 124 3 37 * ➮ See “1-3 External Dimensions Diagram” (page 1-3) for detailed dimensions. Attach using M4 screws tightened to a recommended torque of 0.7 N•m. CAUTION The SL-R11 cannot be attached to the DIN rail and to the wall by screws at the same time.
Chapter 3 Mounting and Installation [2] When mounting on the wall with screws 1. Refer to the previous figure, and peel off the power supply connector seal. 2. Refer to the previous, figure, and connect the two units. 3. Slide the SL-U2 connection hooks to fasten the units together. 4. Use M4 screws tightened to a recommended torque of 0.7 N•m to mount both of the units to the wall.
Chapter 4 Wiring 4 Wiring 4-1 Method for Connection to the SL-C Series • The SL-C Series can be connected to the SL-R11 using only the following cable combinations: SL-PC5P/SL-PC10P and SL-CC10PT/SL-CC10PR. • The maximum length of the SL-C Series connection cables (transmitter and receiver cables) is 30m (98.43 ft.) each. • Using cables that exceed 30m (98.43 ft.
Chapter 4 Wiring Tighten with flat-head screwdriver. Loosen with flat-head screwdriver. Insert wire • Tightening torque 4.4 lb•in (0.5 N•m) • Wire rating AWG # 22 to 12 (Stranded only, Copper only, min. 60 °C) • Cable stripping dimension 7mm (0.28") 4 4-2-1 How to Replace the Relay Output Terminal Block Loosen the two terminal block replacement screws and pull the terminal block upwards.
Chapter 4 Wiring 4-3 Method for Wiring to Signal Input Terminals As shown in the table below, the SL-R11 is provided with a signal input terminal block. First loosen the terminal block screws, and then retighten the terminal block screws after inserting the signal cables. Input terminals Terminal No.
Chapter 4 Wiring 4-3-1 Wiring to Start/Restart Input Terminals The start/restart input terminals are used to connect a signal input (switch, etc.) to cancel the interlock condition when the machine starts/restarts is run. To use the start/restart interlock function and E-STOP function, a signal input, such as a switch, must be connected to this input terminal. Refer to the following wiring diagram when wiring.
Chapter 4 Wiring 4-3-2 Wiring to E-STOP Input Terminals The E-STOP input terminals are used to connect a signal input, such as an emergency stop switch, for stopping the machine to which the SL-C is installed. The terminals are normally closed terminals, so jumpers are placed across the terminals at the time of shipment to create a short-circuit across the terminals.
Chapter 4 Wiring 4-3-3 Wiring to the MPCE Monitor Input Terminal Two MPCEs are used in the machine control circuit. The MPCE monitor function monitors the operation of MPCE1 and MPCE2 to detect control circuit errors and MPCE unit errors that prevent the transmission of the FSD output signal to the machine. When an error is detected, the SL-C Series and SL-R11 go to the lockout condition.
Chapter 4 Wiring WARNING • Use an appropriate MPCE device after referring to all of the standards and regulations relating to the MPCE to be used in the machine. • To use the MPCE monitor, make the proper wiring for the machine control system, and have the machine manufacturer check the wiring for correctness to ensure that the machine can be properly stopped.
Chapter 4 Wiring 4-3-5 Wiring to the Test Input Terminal Use for test Input. During normal operation: Short-circuit between 3 and 4 Test mode: Open between 3 and 4 Start / Restart input TEST input M/S SELECT input MPCE MONITOR input E-STOP1 input E-STOP2 input 4 Timing chart ON TEST input OFF ON FSD OFF 50m Max.
Chapter 4 Wiring 4-4 About the Light Interference Prevention Connection 4-4-1 What is the Light Interference Prevention Connection? Be sure to read the “Safety Light Curtain SL-C Series Instruction Manual” if you plan to use this feature. By establishing a light interference prevention connection, you can prevent light interference between 2 or more sets of SL-C Series that are connected to the SL-R11. This feature is active when the total number of connected SL-R11 units is 4 or less.
Chapter 4 Wiring Connect the SL-R11 units after assembling the connectors, crimp terminals, and cables. When connecting 2 units When connecting 4 units 4 WARNING English ENGLISH 4-10 Using cables other than those specified or with a length in excess of 30m (98.43 ft.) may result in significant harm to machinery operators, including serious injury or death. Do not strip away more than 100mm (3.93") of the shielding wire when connecting system wiring.
Chapter 5 Checklist 5 Checklist 5-1 List of Pre-use Check Items After the SL-C Series and SL-R11 are installed, the responsible personnel shall use the following checklist to check operation. The following checklist contains the minimum necessary items for using the SL-R11.
Chapter 6 Maintenance 6 Maintenance 6-1 Regular Inspections 6-1-1 Output Relay Inspection Refer to the SL-C instruction manual and put the SL-C Series in the blocked beam state, or use the test input and turn this unit's FSD output off. At this time, confirm that both FSD outputs are off, and that the MPCE (machine primary control element) which is connected to the FSD is off. If the relay is fused or malfunctioning, ➮ See 6-2 “Relay Circuit Board Replacement” (➮ page 6-1) and service it.
Chapter 6 Maintenance 6. Install the new relay circuit board in the SL-R11 and tighten the screws. (Recommended tightening torque is 0.6 N•m) 7. Attach the relay output terminal removed in Step 4 to the new replacement relay board according to the instructions in section 4-2-1 “How to replace the relay output terminal block (➮4-2)”. 8. Refer to “Chapter 5. Checklist” (➮ page 5-1) and check the operation.
Chapter 7 Troubleshooting 7 Troubleshooting When either the Safety Light Curtain SL-C Series or the Intelligent Safety Relay Unit SL-R11 experiences an error, it is possible to determine the cause of the error by referring to the state of the bar LED display on the SL-C. When the lock-out indicator (orange) is flashing, the device can be returned to normal operation by turning it off and then on again once the cause of the problem has been rectified.
Chapter 7 Troubleshooting Bar LED display status Transmitter Receiver Description Causes and solutions • The cable connected to the SL-C has its transmitter and receiver ends reversed. Connect the cable properly as described in section 2-3-1 “Connecting Cable Installation” (➮2-7) in the SL-C manual. OSSD error 7 lights up 7 and all lamps alternatively flash • Reconnect the SL-R11 to the SL-C as described in section 4-1 “Method for Connection to the SL-C Series” (➮4-1) in the SL-R11 manual.
Chapter 8 Revision History 8 Revision History First Edition Second Edition Third Edition Fourth Edition Fifth Edition Sixth Edition Seventh Edition Eighth Edition Revised 1st Edition Feb. 2003 Apr. 2003 Aug. 2003 Sep. 2003 Jan. 2004 Aug. 2005 Oct. 2009 Mar. 2010 Nov. 2014 8 English ENGLISH 8-2 8-1 08_SL-R11E.p65 2 14.9.
WARRANTIES AND DISCLAIMERS (1) KEYENCE warrants the Products to be free of defects in materials and workmanship for a period of one (1) year from the date of shipment. If any models or samples were shown to Buyer, such models or samples were used merely to illustrate the general type and quality of the Products and not to represent that the Products would necessarily conform to said models or samples.
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