ADELSYSTEM MRF102 Instruction Manual
Also see for MRF102: Instruction manual
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Via Luigi Barchi 9/B – Reggio Emilia 42124 – ItalyTel. +39 0522 345518 – Fax +39 0522 345551 – www.adelsystem.comInstruction Manual MRF102_7.docxPage 1MRF1022- Channels Electronic Circuit BreakerInstruction ManualThank you for having chosen one of our products for your work.We are certain that it will give the utmost satisfaction and be a notablehelp on your job and application.1 Product DescriptionThe MRF102 2-channel electronic circuit breaker with Din Rail and Wallmounting is designed for current distribution and protection of 12V or24V load circuits.2 Safety and warning notesWARNING – Explosion Hazard Do not disconnectEquipment unless power has been switched off or the areais known to be non-hazardous.WARNING – Explosion Hazard. Substitution of componentsmay impair suitability for class I, Division 2.WARNING – Switch off the system before connecting the module. Neverwork on the machine when it is live. The device must be installed inaccording to EN61010 or EN62368-1. The device must have a suitableisolating facility outside the power supply unit, via which can be switchedto idle. Danger of fatal Injury!WARNING – The device is equipped whit an internal fuse. If the internalfuse blows Up (fails opens), it is most probable that there is a fault in thedevice. If this failure occurs, the device must be returned to the factory.3 How to InstallMountingFig. 1 – Drawing of the MRF102Din Rail or Panel MountingFig. 1 shows a dimensional drawing of the MRF102. It is possible tomount the device on Din rail or in panel and fix it by 4 screws 2.9x8-16.There is no limit for the Panel thickness.How to Supply MRF102The MRF102 is supplied directly from the power source which providepower to the load. The device it is protected by internal physic fuse, alsoin worst case situations. The input rating is 8 – 35Vdc.Device Connection (Fig.2)The following cable cross-sections may be used:Solid(mm2)Stranded(mm2) AWG Torque(Nm)Stripping LengthIn: 0.2–2.5 0.2–2.5 24 – 14 0.5–0.6 7 mmOut: 0.2–2.5 0.2–2.5 24–14 0.5–0.6 7 mmSignal: AMP Modu IIConnection by the screw, type 2.5 mm2. Wiring terminal shall bemarked to indicate the proper connection for the power supply. Usecopper cables only, for supply connections, use wires suitable for atleast 75°C.Fig. 2 – Connections to MRF102Connection terminal and wiringReference Description1 + Input Power2 - Input Signal3 Push Botton: ON / OFF Channel 1 and 2 / Config.Mode4 LED Green, Orange, Red: Channel controls / Config.Mode5 LED Green, Orange, Red: Channel controls / Config.Mode6 Output 17 Output 28 Output Fail CN1 and CN2 or ADELBus connection4 Drive a ChannelTurn On ChannelOn the first power up, all channel are OFF.To enabling channel 1(LED Blink Red for short time) push the set buttonfor short time: one time; < 1 sec.To enabling channel 2(LED Blink Red for short time) push the set buttonfor short time: two time; < 1 sec.Each channel could be enabled after a Switch off for Overload or Shortcircuit, (LED Red ON). When the LED Red flash for 3 time, the devise it’sready to turn ON the channel. If the channel is ON, the device maintainsin memory the state also without the power; this function it is not enabledif the device is in configuration mode.Turn Off ChannelWhen the channel 1 is ON (LED Blink Green or Orange for short time)push button for short time: one time and the channel turn OFF; < 1 sec.When the channel 2 is ON (LED Blink Green or Orange for short time)push button for short time: Two time and the channel turn OFF; < 1 sec.If the channel is OFF, the device maintains in memory the state alsowithout the power.5 LED indication• Led RED ON: the channel is in protection due to Overtemperature,Overcurrent, Over/Under voltage (<8.5V or >32.5V).The device could be in this situation for some sec.In this condition it is not possible turn ON the device.• Led RED flashes three times for short time: the channel is OFF afterswitch protection, but is ready to be turned ON.Push the set button to turn ON the device.• Led RED flashes one for short time, the channel is OFF but readyfor turn ON. Push the set button to turn ON the device.• Led GREEN blinks for short time: the channel is ON and the currentthrough the channel is <80% of the tipping point switch.• Led ORANGE blinks for short time: the channel is ON and thecurrent through the channel is >80% of the tipping point switch.• Config. Mode: One Led OFF and the second Led ORANGE blinks,in this condition it is enabled the procedure:• Verify the trip current set for each channel• Configure the trip current for each channel7 Out 16 Out 21 Input +2 Input -4 LED CN15 LED CN23ON / OFF out 1: Tich -ON / OFF out 2: Tich – Tich -PROG: Press 2 sec. -8 Fail _ ADELBus |
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