Key Features & Benefits
1. Supports Modbus RTU and Modbus TCP communication
2. Enables Modbus Slave–Slave communication
3. Can function as a data concentrator for Modbus networks
4. Supports up to 62 Modbus RTU devices across two RS-485 ports
5.Supports up to 1500 data points by default
6. System performance depends on the number of data points written
7. Powered by a BTL-Certified BACnet Chipset
PRODUCT CATEGORIES
Designed for stable data acquisition in industrial BMS networks
GW BMS 01
RS232/RS485 communication for efficient battery monitoring integration.
GW BMS 01 02
Engineered for reliable multi-node connectivity in Battery Management Systems
GW BMS 02
Enhanced stability and fail-safe operation for critical BMS applications
GW BMS 02 02 R
Supporting high-speed RS485 links for large battery clusters
GW BMS 05 A
Optimized for multi-drop BMS communication and low-latency data transfer
GW BMS 05B
Enhanced BMS gateway with extended port configuration for robust and scalable battery monitoring
GW BMS 05 C
RS485 communication module supporting high-noise immunity for demanding BMS environments
GW BMS N2
High-capacity serial device aggregation with robust Ethernet communication.
GW BMS A
Designed to support multi-string battery data acquisition networks.
GW BMS 05D
Designed for harsh industrial or outdoor environments requiring rugged enclosures
GW BMS SS
Supporting parallel data channels for distributed battery systems
GW BMS MM
Communication for medium-scale BMS deployments
GW BMS 04B-02
Communication between battery clusters and monitoring units
GW BMS 02 02
Introduction
The GW BMS04 Series is a dedicated Metasys N2 to BACnet IP gateway designed to integrate Johnson Controls Metasys N2–based controllers with modern Building Management Systems. It enables seamless communication between legacy Metasys N2 devices and BACnet-based supervisory systems.
By supporting RS-485 ports and BACnet IP connectivity, the GW BMS04 Series allows reliable data exchange, centralized monitoring, and smooth migration from proprietary N2 networks to open BACnet architectures, helping extend the life of existing field devices while modernizing the BMS infrastructure / SCADA Monitoring Over the Modbus RTU/ TCP Protocol.
Point count is upgradeable to 5000 or 10000 at additional cost.
Up to 32 devices can be multi-dropped on the Modbus RTU/BACnet MSTP/N2 side (Note: this number may vary depending on site conditions).
Serial Port 2: RS485, 2-Wire (3 Pin Screw type terminals)
Ethernet Port: 1 x 10/100 Ethernet (RJ45 Connector)
DC Voltage Range: 18 to 72V DC
AC Voltage Range: 24V AC ± 10%
Power Consumption: 100mA @ 24V
Power Connector: 3 Pin Screw type
Mounting: DIN Rail
Relative Humidity: 5-90% RH, non-condensing
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