Modbus TCP Based Ethernet I/O Module with 2 Ethernet ports for daisy-chain networking, with 8-channel Analog Input and 4-channel Digital Output. Analog Input Types are +/-150 mV, +/-500 mV, +/-1V, +/-5V, +/-10V +/-20 mA, 0 ~ 20 mA, 4 ~ 20 mA (Jumper Selectable) current input voltage input. Communicable over Modbus TCP and Modbus UDP. Supports operating temperatures of -25C ~ +75C and has a din rail mount.