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Functional Devices RIBTW240xB-BC enclosed BACnet relay (1 relay, 1 input) BACnet points list
Updated 12 November 2026
An enclosed BACnet MS/TP relay with one relay (BO1) and one binary input (BI1). Both objects are plain I/O with user-writable names; there is no on-board control logic.
This page lists 2 BACnet objects for the Functional Devices RIBTW240xB-BC enclosed BACnet relay (1 relay, 1 input) — 1 of them writable — with each object’s type, instance number, name, engineering units and access. It is re-typed from Functional Devices’s own free documentation, linked below.
- Manufacturer
- Functional Devices
- Model
- RIBTW240xB-BC enclosed BACnet relay (1 relay, 1 input)
- Equipment
- Other equipment (BACnet relay / I/O module)
- Equipment type
- Other equipment
- BACnet objects
- 2 (1 writable)
- Transport
- BACnet MS/TP
- Firmware
- Firmware 2.04, application 1.1
- Default device instance
- 277000
- Also known as
- RIBTW2401B-BC, RIBTW2402B-BC, RIBTW240xB-BC, BACnet RIB relay
- Source document
- RIBTW240xB-BC PICS v1.1 · rev. 2016-06-24
Reference only, provided as-is: verify against Functional Devices’s current documentation and the live device before use. Not official Functional Devices information. Terms of use.
BMS integration notes: Functional Devices RIBTW240xB-BC enclosed BACnet relay (1 relay, 1 input)
Write BO1 to switch the relay and read BI1 for the input.
Minimum points to map
The short list most integrators start with — enough to run the unit from a BMS. Map more as the job needs.
Network setup
- The PICS prints the device object ID default as DE277000 (vendor ID 277); it is writable.
- MS/TP master; the PICS lists 9600-115200 baud. Max_Master defaults to 127.
Functional Devices RIBTW240xB-BC enclosed BACnet relay (1 relay, 1 input) BACnet objects
Type: AI, AO, AV, BI, BO, BV, MI/MO/MV (multi-state) · Access: Read read-only, Write writable, Command writable with a priority array.
| Description | States | |||||
|---|---|---|---|---|---|---|
| BImin | 1 | BI1 | Binary input status | Read | ||
| BOmin | 1 | BO1 | Relay command | Command |
No points match these filters.
Object ID lookup: Functional Devices RIBTW240xB-BC enclosed BACnet relay point IDs by name
Integration notes
- Object names are user-writable and the PICS prints no factory default name, so each object is listed by its printed ID (BI1, BO1...).
- BO1 has a 16-level priority array and writable minimum on / off times (0-65535 s); polarity and active / inactive texts are writable on every object.
Check it against the live device. A points list tells you what the controller can expose; the unit in front of you may differ by firmware or installed options. This list is provided as-is for reference only and may contain mistakes — confirming it before you write, map or commission anything is up to you (terms). Easy BACnet scans a network for BACnet IP devices from an Android phone, reads every object on the RIBTW240xB-BC enclosed BACnet relay (1 relay, 1 input) and exports what it actually has to Excel — free. New to BACnet? Start with what a BACnet points list is and what the object types mean.
Questions about the Functional Devices RIBTW240xB-BC enclosed BACnet relay (1 relay, 1 input)
How many BACnet points does the Functional Devices RIBTW240xB-BC enclosed BACnet relay (1 relay, 1 input) have?
This list has 2 BACnet objects: 1 binary input, 1 binary output. The exact set on a given unit depends on its firmware, installed options and configuration.
Which Functional Devices RIBTW240xB-BC enclosed BACnet relay (1 relay, 1 input) BACnet points are writable?
1 of the 2 objects accept a write. Points marked Command have a priority array: a write holds until it is released, so release it back to automatic when you are done.
Where is the official Functional Devices RIBTW240xB-BC enclosed BACnet relay (1 relay, 1 input) BACnet documentation?
The source is RIBTW240xB-BC PICS v1.1, revision 2016-06-24, published free by Functional Devices at https://www.functionaldevices.com/sfsites/c/cms/delivery/media/MC2KT7K6X3KNFERG2C7VVXPBRAAI.
What are the minimum BACnet points to integrate the Functional Devices RIBTW240xB-BC enclosed BACnet relay (1 relay, 1 input)?
Start with BO 1 BO1 (Relay command); BI 1 BI1 (Binary input status).
How do I check these points on the real RIBTW240xB-BC enclosed BACnet relay (1 relay, 1 input)?
Scan the network with a BACnet IP browser such as Easy BACnet, open the device and compare its object list with this table. Anything missing is usually an option that isn't installed or a point that is disabled in the controller's configuration.
More Functional Devices BACnet points lists
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Functional Devices RIB[*]24B-BCAI BACnet relay with analog input
Functional Devices RIB[*]24B-BCAI BACnet MS/TP relay with one analog input and two binary inputs.
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Functional Devices RIBMNW24B-44-BC 4-input / 4-relay module
Functional Devices RIBMNW24B-44-BC BACnet MS/TP module with four binary inputs and four relays.
Also known as: RIBMNW24B-44-BC, RIBMW24B-44BC, RIBMNW24B-44 - Other equipment (BACnet input module)
Functional Devices RIBMNWD12-BC 12-input module with pulse counters
Functional Devices RIBMNWD12-BC 12-point binary input module with two pulse accumulators; RIBMNWD12-BCDI is the 12-input version without accumulators.
Also known as: RIBMNWD12-BC, RIBMNWD12-BCDI, RIBMNWD12 - Other equipment (BACnet relay / fan safety module)
Functional Devices RIBMNWLB-7-BC fan safety circuit / relay module
Functional Devices RIBMNWLB-7-BC (also RIBTWLB-7-BC, RIBTWLB-7-BC-N4) 2-relay, 8-input module that runs as a fan safety circuit by default.
Also known as: RIBMNWLB-7-BC, RIBTWLB-7-BC, RIBTWLB-7-BC-N4 - Other equipment (BACnet relay / I/O module)
Functional Devices RIBTW24B-BCAO BACnet relay with analog output
Functional Devices RIBTW24B-BCAO BACnet MS/TP relay with one analog output, one analog input and one binary input.
Also known as: RIBTW24B-BCAO, BACnet RIB analog output - Other equipment (BACnet relay / I/O module)
Functional Devices RIBTWX240xB-BC / RIBMNWX240xB-BC BACnet relay (1 relay, 2 inputs)
Functional Devices RIBTWX240xB-BC (enclosed) and RIBMNWX240xB-BC (board) BACnet MS/TP relays with one relay output and two binary inputs.
Also known as: RIBTWX240xB-BC, RIBMNWX240xB-BC, RIBxW240xB-BC, RIBTWX2401B-BC, BACnet RIB relay 2 inputs
Source: RIBTW240xB-BC PICS v1.1 · rev. 2016-06-24. Object names, instances and units are reproduced as published; descriptions are our own.