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Output Relay Controller (ORC)
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The Output Relay Controller (ORC) is an output control field device for use with MDI’s Integrated Digital Controllers. The ORC provides the system interface between the Communications Board (COMM)/Network Local Controller (NLC) and devices that require relay control.

Some typical uses include signaling devices, locks, lighting, and devices that can be controlled by Form-C relays. Relay outputs can be linked to any system event or input.

The ORC features 16 output relays and 1 tamper input. All applications are downloadable into FLASH MEMORY thus eliminating the need to replace EPROMs for application changes and system upgrades.

As customer needs change and grow, additions to the system become cost-effective by simply reconfiguring the system or adding only the required controllers.

ORC FEATURES

  • Provides 16 Form-C relay contact sets

  • Supports downloadable FLASH MEMORY eliminating the need to change EPROMs for application programming and system upgrades

  • RS-485 bus allows local installation or remote installation up to 4000 feet (1300m) from NLC/COMM

  • The ORC accepts a 6.0 - 16.0 Vdc power source

Connection Diagram



 

Technical Specifications
ELECTRICAL
  Power - NLC 6-16 Volts DC, 120mA maximum
  Power - Comm 6-16 Volts DC, 120mA maximum
DIMENSIONS
  Width 7.0 in.(178 mm)
  Length 5.0 in. (127 mm)
  Height 1.0 in. (25 mm)
ENVIRONMENT
  Temperature 32ºF-120ºF, (0ºC-50ºC)
  Humidity 10%-95% (non-condensing)
MEMORY
  Read Only 64 Kbytes Flash RAM
  Random 128 Kbytes SDRAM (for event storage)
  Event Storage 2,000 on loss of communications
COMMUNICATIONS
  Protocol RS-485
  Distance 4,000 feet (1200 m) per channel
  Media Type Twisted Pair (Beldon 9841 cable)
  Diagnostics Port RS-232
OUTPUTS
  Relay Outputs 16 Form-C
  Max. current 2 Amps @ 30Vdc
  LED Display 16 indicating relay status
INPUT
  Tamper Switch 1 unsupervised
CERTIFICATIONS
  FCC, TSA 1542.207 (formerly FAR 107.14), DCID 1/21, and CE compliance

Design and specifications subject to change without notice.