GW-2439M
BACnet/IP Client to Modbus TCP Server/RTU Slave Gateway
Features
- Read/write BACnet object values via Modbus registers
- Configurable for up to 10 BACnet/IP server devices
- Supports receiving BACnet/IP messages forwarded by BBMDs
- Enhances device discovery and integration across multi-subnet BACnet/IP systems
- Batch read multiple objects from a single BACnet device
- Supports both Modbus TCP Server and Modbus RTU Slave simultaneously
- Supports BACnet object types: AI, AO, AV, BI, BO, BV, MSI, MSO, MSV
- Software tool supports scanning BACnet/IP servers and their objects
- Supports conversion of up to 9,000 BACnet objects' present_value to Modbus registers
- Software tool allows configuration of BACnet/IP objects and automatically generates the Modbus mapping table
Introduction
The GW-2439M is a powerful network gateway that supports three communication roles: BACnet/IP Client, Modbus TCP Server, and Modbus RTU Slave. It acts as a bridge between BACnet and Modbus systems, allowing a host system to read and write data from remote BACnet/IP Servers via either a Modbus TCP Client or Modbus RTU Master. The GW-2439M can communicate with multiple BACnet/IP Servers in real-time, enabling data integration and centralized monitoring.In addition to standard BACnet/IP Client communication, the GW-2439M supports receiving BACnet/IP messages forwarded across different IP subnets by a BBMD. When a BACnet/IP system consists of multiple IP subnets and uses a BBMD to forward BACnet messages between them, the GW-2439M can properly receive and identify the forwarded messages and their source devices.
This feature enhances the GW-2439M’s device discovery and integration capabilities in multi-subnet BACnet/IP environments, making it well suited for BACnet/IP systems with complex network architectures, such as large buildings, multi-floor or multi-building facilities, industrial sites, campuses, and Building Energy Management Systems (BEMS).The GW-2439M supports reading multiple BACnet objects from a single device in one batch operation. This reduces the number of individual read requests and improves overall communication and data acquisition efficiency, especially when handling devices with a large number of BACnet objects.
The GW-2439M supports up to 9,000 BACnet object mappings and complies with various BACnet Interoperability Building Blocks (BIBBs).
In addition, with the dedicated configuration utility, users can easily:
- Automatically scan for BACnet Servers and their objects
- Configure object mapping parameters
- Automatically generate Modbus mapping tables
- Import/export configuration files to improve deployment efficiency
These features make the GW-2439M an ideal BACnet-to-Modbus gateway solution for smart buildings, automation systems, and BEMS/SCADA integration applications.
Applications
- Building Automation
- Heating, Ventilating, and Air-conditioning Control
- Lighting Control
- Access Control
Ordering Information
| PRODUCT SERIES | DESCRIPTION | QNT. | INQUIRY |
|---|---|---|---|
Similar Products
| LED Indicators | |
|---|---|
| Status | Power (1), BACnet/IP Status (1), BACnet/IP Net(1), Modbus TCP TxD/RxD/Link (3) Ethernet LED Ethernet Status (RJ-45) (2) |
| Ethernet | |
|---|---|
| Ports | 1 x RJ-45, 10/100Base-TX |
| Protocol | Modbus TCP Server and Modbus RTU Slave(up to 2 TCP connections) |
| BACnet/IP | |
|---|---|
| Protocol | BACnet/IP Client (Supports up to 10 BACnet/IP Servers) |
| Objects | AI, AO, AV, BI, BO, BV, MSI, MSO, MSV(Supports up to 9000 BACnet objects' present value) |
| BIBBs | DS-RP-A, DS-RPM-A, DS-WP-A, DS-WPM-A, DM-DDB-A, DM-DOB-A, DM-DCC-A, DM-RD-A |
| Power | |
|---|---|
| Input Range | +10 ~ +30 VDC |
| Consumption | 5 W @ 24 VDC |
| Mechanical | |
|---|---|
| Casing | Metal |
| Dimensions (mm) | 33 x 120 x 116 |
| Installation | DIN-Rail |
| Environment | |
|---|---|
| Operating Temperature | -25 ~ +75 °C |
| Storage Temperature | -30 ~ +80 °C |
| Humidity | 10 ~ 90% RH, Non-condensing |
