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Universal 1-channel switching receiver
RCM 255
User Manual V1.12
January 2007

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Summary of Contents for EnOcean RCM 255

  • Page 1 Universal 1-channel switching receiver RCM 255 User Manual V1.12 January 2007...
  • Page 2 As far as patents or other rights of third parties are concerned, liability is only assumed for modules, not for the described applications, processes and circuits. EnOcean does not assume responsibility for use of modules described and limits its liability to the replacement of modules determined to be defective due to workmanship. Devices or systems containing RF components must meet the essential requirements of the local legal authorities.
  • Page 3: Table Of Contents

    2.5 Selective Deleting __________________________________________________________________ 12 2.6 Clear All_____________________________________________________________________________ 12 3. APPLICATIONS INFORMATION _______________________________________________________ 13 3.1 Installation _________________________________________________________________________ 13 3.2 Mounting RCM 255 Near To Metallic Objects _____________________________________ 14 3.3 Transmission Range _______________________________________________________________ 14 3.4 FCC/IC Approval ___________________________________________________________________ 16 3.5 cCSAus Approval ___________________________________________________________________ 17 3.6 Field Intensity Meter EPM 100 ____________________________________________________ 17...
  • Page 4: General Description

    The RCM 255 can LEARN either a maximum of 30 EnOcean PTM’s or up to 2 EnOcean STM 250’s. The memory of the receiver is empty when delivered. By assigning the first transmitter the operating mode (push button switch or magnet contact) is defined.
  • Page 5: Features Overview

    The RCM switching receiver is part of a powerful RF system solution from EnOcean for operation and control applications. Because the RF transmitters are self-powered (no batteries), maintenance-free RF systems can be implemented. The RCM switching receiver operates together with the following further EnOcean components:...
  • Page 6: Physical Dimensions

    Please note: The following drawings are without the factory installed wiring! Total depth of both holes from box top to pushbutton: 1.0 mm Travel of pushbutton: 0.5 to 1.0 mm Figure 3: RCM 255 top view ©EnOcean GmbH, A. Anders Page 6 of 18...
  • Page 7 Figure 4: RCM 255 front view Figure 5: RCM 255 side view ©EnOcean GmbH, A. Anders Page 7 of 18 RCM 255 User Manual V1.12...
  • Page 8: Relay Output Switching Capabilities

    120V AC Max. capacitance at 120V AC 14 µF Min. 5.000 (according to EN60669) Max. inrush current for max. 20ms at 40 A see above loads 120V AC ©EnOcean GmbH, A. Anders Page 8 of 18 RCM 255 User Manual V1.12...
  • Page 9: Terminal Block And Wiring Description

    Max. rated cross section - Stranded wire (flex.): ........... 1.0 mm Max. rated cross section - Stranded wire with ferrules: ........0.75 mm For easiest installation the RCM 255 is delivered with factory installed wiring as follows: Wiring: ......... 4 wires, stranded, gauge AWG16 (1.3mm), length 7” (18cm) Color of wires: ....
  • Page 10: Functional Description

    2. FUNCTIONAL DESCRIPTION 2.1 Block Diagram Figure 7: Block diagram of RCM 255 2.2 Wire Description Symbol Wire Color Function Operational characteristics Fixture Relays output switched to Hot black Power Supply 120 VAC, 60 Hz white Neutral Power Supply 120 VAC, 60 Hz...
  • Page 11: Operating Mode

    The RCM 255 can LEARN either a maximum of 30 EnOcean PTM’s or up to 2 EnOcean STM 250’s. The memory of the receiver is empty when delivered. By assigning the first transmitter the operating mode (push button switch or magnet contact) is defined.
  • Page 12: Selective Deleting

    5.) As soon as the Toggling of the relays resumes, additional transmitters can be LEARNED or deleted. If the RCM255’s memory is full (30 EnOcean PTM 250 radio switches or 2 EnOcean STM 250 radio window contacts) the receiver terminates Programming mode and returns to operating mode during an attempt to enter another transmitter.
  • Page 13: Applications Information

    For good receiver performance take attention to the factors restricting transmission range mentioned in the next both chapters. Please note that the best range performance can be received by facing EnOcean ©EnOcean GmbH, A. Anders Page 13 of 18...
  • Page 14: Mounting Rcm 255 Near To Metallic Objects

    RCM 255 receiver casement top position (see antenna marking on cap). This is a result of the internal antenna position that can be seen in the following picture: Far end of the whip Figure 9: Internal position of the RCM 255 whip antenna 3.2 Mounting RCM 255 Near To Metallic Objects...
  • Page 15 US and Canada! ©EnOcean GmbH, A. Anders Page 15 of 18 RCM 255 User Manual V1.12...
  • Page 16: Fcc/Ic Approval

    Warning: Changes or modifications made to this equipment not expressly approved by EnOcean may void the FCC authorization to operate this equipment. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
  • Page 17: Ccsaus Approval

    • Person 2 checks the received field intensity on the meter display to find optimal installation position. Figure 12: EPM 100 helps to qualify installation positions ©EnOcean GmbH, A. Anders Page 17 of 18 RCM 255 User Manual V1.12...
  • Page 18: Certificate Of Conformity

    4. CERTIFICATE OF CONFORMITY...

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