Modbus TCP Based Ethernet I/O Module with 2 Ethernet ports for daisy-chain networking, with 3-channel Analog Input, 6-channel Digital Input/Counter, and 3-channel Power Relay Output. Supports Current Input and Voltage Input Types: +/-150 mV, +/-500 mV, +/-1 V, +/-5 V, +/-10 V +0 mA ~ +20 mA, +/-20 mA, 4 ~ 20 mA (jumper selectable). Communicable over Modbus TCP and Modbus UDP. Supports operating temperatures of -25C ~ +75C and has a din rail mount.