User Manual
Modbus/BACnet IP Gateway
GT200-BM-2RS
WWW.SSTCOMM.COM
3
1 Product Overview
1.1 Product Function
GT200-BM-2RS is a gateway which can exchange data between Modbus serial protocol to the BACnet IP
protocol. The gateway acts as the slave at the BACnet IP side and the master at the Modbus side.
1.2 Product Features
Redundant power supply;
Two independent RS485 interfaces or RS232 interfaces with 1KV optical isolation;
Ethernet 10/100M adaptive;
Network security settings;
Provides online scanning and configuration;
Modbus command has auto demotion function and error handling functions;
Easy-to-use configuration software SST-BM-CFG.
1.3 Technical Specifications
[1] The gateway can achieve the communication between BACnet and Modbus;
[2] Ethernet 10/100M adaptive;
[3] Supports up to 500 BACnet BIs, 300 BOs, 300 BVs, 500 AIs, 300AOs, 300 AVs, 500 MSIs and
100MSOs, and the sum of all kinds of BACnet IP objects should not exceed 1264;
[4] Supports the following BACnet IP services: Who Is, I Am, Who Has, I Have, Read Property, Write
Property, Read Property Multiple;
[5] Each serial port can support up to 100 Modbus commands;
[6] Serial interface is RS485 or RS232, half-duplex, and baud rate support: 1200, 2400, 4800, 9600, 19200,
38400, 57600 and 115200 bps; parity support: none, odd, even, mark, space; 1 or 2 stop bits optional;