BACnet MS/TP Room Interface Module 4 Buttons

In stock (3 items available)
  • Weight
    0.3 kg
  • SKU

BACnet MS/TP Room Interface Module with LCD, built-In temperature, 1DI, 1RI, 2DO and 1AO, 4 Buttons (Setpoint, Fan Speed and Day/Night)

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BAC-RI-4B is a digital room interface with additional inputs and outputs that can be operated via BACnet. The room interface shows the current temperature, current system status including day/night mode, heating/cooling, fan speed, up and down indicating arrows (set via BACnet.). The baud rate is adjustable through bit switch

The device is wall mounted and the LCD display has adjustable level blue backlight. The BAC-RI-4B has four push buttons for the user setpoint, fan speed and day/night mode adjustment. It supports BACnet MS/TP RS-485 communication. Built-in sensor. Additonal IOs include: 1 Digital Input, 1 NTC10/Resistive Input, 2 Digital Triac Outputs, 1 Analogue 0..10Vdc Output. 24Vac/dc power supply. Relative humidity option available for display and monitoring.


  • Power supply: 24Vac/dc -10%/+15%
  • Analogue Outputs: 1 x 0..10V < 5mA
  • Digital Outputs: 2 x 24Vac Triacs; 1A maximum.
  • Digital Inputs: 1 x Volt-Free Contact, Impedance <1KOhm
  • Resistive Input: 1 x Resistive Input, NTC10/0..50kOhms (network read)
  • Communication: BACnet MS/TP
  • Interface: RS485, maximum 63 devices
  • MAC Addressing: 0..63 via a bit switch; 0..247 via tool / network
  • Communication: 9k6/19k2/38k4/76k8 Baud; Parity None/Even/Odd, 1 or 2 Stop
  • Temperature Range: 0..50°C (32..122°F)
  • Temperature Accuracy: ±0.3°C
  • Humidity: 0...95%rh (non-cond.)
  • Standards CE: Conformity CE Directive 2004/108/EY EN61000-6-3: 2001 (Generic Emission) EN61000-6-1: 2001 (Generic Immunity)
  • Degree of Protection: IP20
  • Housing: ABS Plastics, Self Extinguishing

Faulty Goods and Warranty

Where such goods have been supplied we undertake to repair or replace them as quickly as possible.Prior to returning faulty items, please contact us with a description of the fault as one of our engineers might be able to assist you by resolving the issue over the phone.
A Warranty form must be filled out and returned with any goods.

Our standard warranty period is 12 months from the date of purchase unless stated otherwise.

Other warranty periods:

Labjack Products: 5 Years
Atop Products: 3 Years
MeanWell Products: 3 Years
Terracom Products: 3 Years

Warranty is subject to us being satisfied that a defect was caused by defective workmanship or materials and was not caused by or was not substantially contributed to by other factors beyond our control including incorrect installation, alterations or modifications of the product not recommended by the manufacturer.

Returns Policy

If you are dissatisfied with our goods you may return them within 14 days of the dispatch date. Contact us for an authorisation and we will refund your purchase less shipping costs and restocking fees. All returned goods MUST be in AS NEW condition including ALL PACKAGING and DOCUMENTATION / MANUALS etc.

Please note:

  • The product returned will attract a 20% restocking fee.
  • The customer must pay the delivery costs.
  • Non standard, custom made or a specially manufactured or imported products are not returnable.
  • Semiconductors, books and software are not refundable

Full Terms and Conditions

By placing an order with Ocean Controls, you agree to be bound by our Terms and Conditions of Trade.

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