Gateway is designed to enable flexible communication between Modbus-based Slave devices for in industrial automation systems. It supports advanced Modbus networking scenarios where standard master–slave communication is not sufficient.
GW BMS SS

Key Features & Benefits

1. Supports Modbus RTU and Modbus TCP communication


2. Enables Modbus Slave–Slave communication


3. Supports up to 100 Modbus TCP slave devices


4. Can function as a data concentrator for Modbus networks


5. Supports up to 62 Modbus RTU devices across two RS-485 ports


6.Supports up to 1500 data points by default


7. System performance depends on the number of data points written


8.Powered by a BTL-Certified BACnet Chipset
PRODUCT CATEGORIES
Unmanaged Ethernet Switch Series

Key Features & Benefits

  • Supports Modbus RTU and Modbus TCP communication
  • Enables Modbus Slave–Slave communication
  • Supports up to 100 Modbus TCP slave devices
  • Can function as a data concentrator for Modbus networks
  • Supports up to 62 Modbus RTU devices across two RS-485 ports
  • Supports up to 1500 data points by default
  • System performance depends on the number of data points written
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PRODUCT CATEGORIES
Unmanaged Ethernet Switch Series
EDS-2005-EL Overview

Introduction

The GW BMS SS is designed for applications where Modbus RTU slave devices need to communicate with other slave devices. It allows slave-to-slave data sharing by acting as an intelligent intermediary, enabling seamless communication between serial and Ethernet Modbus networks. Both gateways support CSV-based configuration and flexible RS-485 port roles, but they are differentiated by the type of Modbus device.

Standards
Modbus RTU, Modbus TCP, HTTPS, DHCP Client
Performance
Serial Port: Up to 115Kbps
Ethernet Port: 10/100 Mbps
Points: Default 1500 supported
Interface
Serial Port: 2 x RS-485 (2 wire), Two of 3-pin screw type terminal blocks
Ethernet Port: 1 x 10/100 Ethernet, RJ45 Connector
Indicators
LEDs for Tx, Rx, Power
Cables Distance
Subject to standard RS-485 limitations. A 485 Repeater may be required.
Electrical Characteristics
PPower: 24V AC/DC (Range: 18 to 30 V)
Consumption: 100mA @ 24V
Connector: 3-pin screw type
Physical Characteristics
Dimensions: 46.5 x 84.5 x 106.5 mm
Mounting: DIN Rail
Environment
Operating Temperature: -40°C to 85°C
Relative Humidity: 5-90% RH, non-condensing
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Support Documents

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Datasheet
Certification
User Manual
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