The new Gas Detection Digital Modbus Rack Mount Controller, TA-2048MB, features 48-channel system with three separate 16 channel Modbus Networks RS-485 digital Modbus RTU. It has four relays (SPST), 10 Amp. common to all channel, and continuous diagnostics. Options include a Remote Relay Modules, Remote Analog and Digital Output Module – Modbus enabled. This unit can be used with any Mil-Ram smarter Gas Detection Transmitter – Toxic/LEL/VOC/Oxygen.