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  • DR RA7700.02 Standard System Controller

DR RA7700.02 Standard System Controller

DR RA7700.02 Standard System Controller
Disabled Refuge RA7700.02 Controller

Features

  • Controls up to 5-off slave outstations
  • Microphone level adjust for slave outstations
  • Speaker volume adjust for slave outstations
  • I/O for BMS or other external systems
  • Fused
  • Mild steel surface mount enclosure
  • Knockouts for cable glands designed to accommodate larger fire resistant cables

Description

The standard system controller interfaces controls up to 5-off disabled refuge EVC outstations. Outstations are star wired to the controllers using 2 pair cable. Controllers are looped together with the master station over 3 pair cable. The combination of loop and star cabling enables installers to match system cabling to building layouts. The standard system controller allows adjustment of slave outstation microphone and speaker level. The standard system controller will test the audio path to all slave outstations. Testing is triggered externally e.g. by BMS or timer. Faults are reported at the master station and there is a fault output for indication to external devices e.g. BMS. The standard system controller is powered from the 3 pair loop through cable.

Note

1-off controller required per 5-off outstations

Parts

RA7700.02

Surface mount, standard system controller

Specifications

Enclosure

Mild steel

Finish:

White painted, Black annotation

Mounting:

Surface

Dimensions (surface mount):

Width 320mm, Height 220mm, Depth 72mm (approx.)

Power:

24V from standard system monitored battery backed PSU

Internal fuse:

2 amp

Audio test input:

Volt free

System fault output:

Closing contact (COM/NC/NO)

Designed for Life

Custom Units

Further Information