New and unused.  Contains 4 analog inputs (4-20 mA / 0-10 Vdc), 2 discrete inputs, & 2 discrete outputs (1.1 Amp cont. / 1.5 Amp pulse).  Master function: Modbus/HART/LevelMaster.  Self-contained, rugged design.  Multi-drop up to 16 slave devices.  Dedicated 10 Vdc output for powering.  H-Series Resistive Tank Level Sensors.