A-B DH+/RIO Smart Gateway: SMG4-BH1


Price: $1950.00

Size (I/O & MBTCP Server & EIP Capacity)


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A-B DH+/RIO Smart Gateway Overview

SoftPLC's Smart Gateways provide protocol conversion between Allen-Bradley Data Highway Plus (DH+) and/or Remote I/O (RIO) "blue-hose" networks and Ethernet/IP, ModbusTCP, DF1, Modbus RTU, and other networks.

Smart Gateways are ideal for staged migration from devices using older networks to new devices using ethernet communications, combining data from multiple networks to a single ethernet/cellular channel for data analysis or other high-level systems, plus many other applications.

Model SMG4-BH1 Specifications:

  • (4) GB port Ethernet switch plus (1) GB Ethernet port, user-configurable protocols
  • (1) A-B "blue-hose" port (user configurable for DH+, A-B RIO Scanner, A-B RIO Adapter)
  • (1) RS-485 port (user configurable for Modbus or ASCII)
  • (2) USB 2.0 ports (user configurable for DF1, Modbus, ASCII)
  • Up to 100M words data registers

Ordering Information

  • Note: Smart Gateways use TOPDOC NexGen software for programming, configuration and troubleshooting. A free TOPDOC NexGen license is included with your first purchase!
  • This catalog number is base functionality. Many additional options are available, including other communication ports, wireless, email, and more. To configure a unit with other options, select model SMG4.
  • The Size determines the mapping capacity of the gateway in terms of the maximum number of Ethernet/IP connection bytes, Allen-Bradley logical I/O racks supported (I and O addresses), or ModbusTCP server connections. The table below summarizes the available sizes:
SoftPLC Sizes
Cat No Suffix ModbusTCP Server Connections Ethernet/IP Connection Bytes Input (I) Addresses Output (O) Addresses
LT 2 64 128 - 1 logical rack 128 - 1 logical rack
1K 16 512 1024 - 8 logical racks 1024 - 8 logical racks
2K 32 1024 2048 - 16 logical racks 2048 - 16 logical racks
8K 127 4096 8192 - 64 logical racks 8192 - 64 logical racks

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