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Due to RMS continuous product improvement policy this information is subject to change without notice. 1S20_User_Guide/Iss C/10/07/23
Surface mounting detail
DIN rail mounting detail
Page 1: ...oduct information Page 1 Due to RMS continuous product improvement policy this information is subject to change without notice 1S20_User_Guide Iss C 10 07 23 1S20 User Guide Arc Fault Monitor RMS Mors...
Page 2: ...ghts in this document and in any model or article produced from it and including any registered or unregistered design rights are the property of RMS Mors Smitt No part of this document shall be repro...
Page 3: ...Kit 16 Sensor Spacing 17 Sensor Placement 19 Sensor Mounting 19 Example Sensor Placement 20 Commissioning Preliminaries 24 Site Commissioning Verification Checklist 25 System Power Up 25 SUPERVISION...
Page 4: ...product information Page 4 Due to RMS continuous product improvement policy this information is subject to change without notice 1S20_User_Guide Iss C 10 07 23 Mechanical Inspection 32 Trip Check 32...
Page 5: ...iption performance specifications for the 1S20 are described in the product Technical Bulletin The order of precedence for product information is as follows Technical Bulletin User Guide User Guide Th...
Page 6: ...es the optical sensors to ensure maximum availability of the Arc Fault Protection scheme Upon detection of an arc the 1S20 can either initiate or directly trip circuit breakers to affect fault clearan...
Page 7: ...ement policy this information is subject to change without notice 1S20_User_Guide Iss C 10 07 23 1S20 Indications Front Layout The pictures below depict the two styles of user interface Panel Mount or...
Page 8: ...duct improvement policy this information is subject to change without notice 1S20_User_Guide Iss C 10 07 23 Scheme Wiring 1S20 Connection diagram The above diagram shows the 1S20 connections The 1S20...
Page 9: ...C 10 07 23 Example Schematic The following typical schematic shows how the 1S20 may be wired to direct trip a circuit breaker tripping CIRCUIT BREAKER TRIP COIL POS 1S20 CIRCUIT BREAKER SHOWN IN THE...
Page 10: ...ement policy this information is subject to change without notice 1S20_User_Guide Iss C 10 07 23 Function Configuration The 1S20 configuration switches are accessible to the user by unplugging the ele...
Page 11: ...roduct improvement policy this information is subject to change without notice 1S20_User_Guide Iss C 10 07 23 Available Configuration Settings Note Switch 5 is not fitted on 2 sensor variants On all v...
Page 12: ...est product information Page 12 Due to RMS continuous product improvement policy this information is subject to change without notice 1S20_User_Guide Iss C 10 07 23 1S20 Dimensions and Mounting Arrang...
Page 13: ...or the latest product information Page 13 Due to RMS continuous product improvement policy this information is subject to change without notice 1S20_User_Guide Iss C 10 07 23 Surface mounting detail D...
Page 14: ...rms for the latest product information Page 14 Due to RMS continuous product improvement policy this information is subject to change without notice 1S20_User_Guide Iss C 10 07 23 Panel Mount or Surf...
Page 15: ...the latest product information Page 15 Due to RMS continuous product improvement policy this information is subject to change without notice 1S20_User_Guide Iss C 10 07 23 Panel mounting cut out detai...
Page 16: ...for the latest product information Page 16 Due to RMS continuous product improvement policy this information is subject to change without notice 1S20_User_Guide Iss C 10 07 23 DIN rail mounting detail...
Page 17: ...Sensor Installation Sensor Spacing The 1S30 sensor is available as a single detector or dual detector package The 1S30A single detector version is depicted below showing the location of the detection...
Page 18: ...1S20_User_Guide Iss C 10 07 23 The 1S30B Dual detector version provides an additional detection window for dual zones of coverage as depicted below The recommended spacing for the 1S30B single detecto...
Page 19: ...ion overlap Sensor Placement Sensors need to be mounted to provide full coverage of the switchgear cubicles to be protected Where the protected zone is larger than the sensor coverage then the use of...
Page 20: ...product improvement policy this information is subject to change without notice 1S20_User_Guide Iss C 10 07 23 Example Sensor Placement The following are some typical examples of sensor placement Sen...
Page 21: ...Due to RMS continuous product improvement policy this information is subject to change without notice 1S20_User_Guide Iss C 10 07 23 Sensor placement inside the cable termination chamber Sensor placem...
Page 22: ...nuous product improvement policy this information is subject to change without notice 1S20_User_Guide Iss C 10 07 23 Sensor placement near a Low Voltage Contactor for a Variable Speed Drive Sensor pla...
Page 23: ...nuous product improvement policy this information is subject to change without notice 1S20_User_Guide Iss C 10 07 23 Sensor placement for an end of Bus chamber External through Hole Detector Sensor pl...
Page 24: ...dc voltage not exceeding 1000V Accessible terminals of the same circuit should first be strapped together Deliberate circuit earthing links removed for the tests subsequently must be replaced ARC Trip...
Page 25: ...osed Terminals 5 and 6 7 Withdraw the 1S20 module from the base and confirm configuration switches match protection setting specifications and the number of connected sensors and reinsert module into...
Page 26: ...ARC fault outputs corresponds to the flashed sensor and in accordance with setting switch 3 Upon satisfactory completion of scheme testing the scheme may be placed into service per established asset...
Page 27: ...rip occurs without an ARC being present this indicates either a very high ambient light condition is triggering a sensor or short circuit wiring of a 1S30 sensor In both cases if the condition persist...
Page 28: ...ken to preserve the high reliability and long life for which the equipment has been designed and manufactured 1 Before removing a module ensure that you are at the same electrostatic potential as the...
Page 29: ...e properly installed and handled in order to maintain them in a safe condition It is assumed that everyone who will be associated with the equipment will be familiar with the contents of the Safety Se...
Page 30: ...ervicing work on this equipment should be aware of the correct working procedures to ensure safety The product documentation should be consulted before installing commissioning or servicing the equipm...
Page 31: ...uxiliary supply circuit in the relay may include capacitors across the supply or to earth To avoid electric shock or energy hazards after completely isolating the supplies to the relay both poles of a...
Page 32: ...l experience and site conditions and as documented in local asset management philosophy and plans In the absence of local asset management philosophy or plans a twelve month maintenance interval may b...
Page 33: ...ny defect which may occur Customers Name Address Contact Name Telephone No Fax No Supplied by Date when installed Site Circuit When Defect Found Date Commissioning Maintenance Systems Fault Other Plea...