15-ch Isolated Digital I/O Modbus TCP Module 16-ch Isolated Digital Input Modbus TCP Module 16-ch Isolated Digital Output Modbus TCP Module Specifications Digital Input Digital Output ADAM-6250: 8 ADAM-6251: 16 Dry Contact Logic 0: Open Logic 1: Closed to DGND Wet Contact Logic 0: 0 ~ 3 VDC or 0 ~ -3 VDC Logic 1: 10 ~ 30 VDC or -10 ~ -30 VDC (Dry/Wet Contact decided by Switch) Input Impedance 5.2 kW (Wet Contact) Transition Time 0.2 ms Frequency Input Range 0.1 ~ 3kHz Counter Input 3kHz (32 bit + 1 bit overflow) Keep/Discard Counter Value when power off Supports Inverted DI Status Output Voltage Range Normal Output Current Pulse Output Delay Output ADAM-6250: 7 (Sink Type) ADAM-6256: 16 (Sink Type) 10 ~ 30 VDC 100 mA (per channel) Up to 5kHz High-to-Low and Low-to-High 15-ch Isolated Digital I/O Modbus TCP Module 16-ch Isolated Digital Input Modbus TCP Module 16-ch Isolated Digital Output Modbus TCP Module Common Specifications Features General Cerification Ethernet LED Indication Protocol Connector Power Input Watchdog Timer Dimensions Protection Power Consumption CE,FCC,UL 2-port 10/100 Base-TX (for Daisy Chain) ADAM-6250: 8 DI + 7 DO ADAM-6251: 16 DI ADAM-6256: 16 DO Modbus/TCP, TCP/IP, UDP, HTTP, DHCP, MQTT, SNMP Plug-in 5P/15P screw terminal blocks 10 - 30 VDC (24 VDC standard) System (1.6 seconds) Communication (Programmable) 70 x 122 x 27 mm Built-in TVS/ESD protection Power Reversal protection Over Voltage protection: +/- 35VDC Isolation protection: 2500 VDC ADAM-6250: 3 W @ 24 VDC ADAM-6251: 2.7 W @ 24 VDC ADAM-6256: 3.2 W @ 24 VDC Daisy chain connection with auto-bypass protection Remote monitoring and control with smart phone/pad Group configuration capability for multiple module setup DI/O LED Indication Flexible user-defined Modbus address. Intelligent control ability by Peer-to-Peer and GCL function Multiple protocol support: Modbus/TCP, TCP/IP, UDP, HTTP, DHCP, MQTT, SNMP Web language support: XML, HTML 5, Java Script System configuration backup User Access Control Environment Operating Temperature -10 ~ 70°C (14 ~ 158°F) -40 ~ 70°C (-40~158°F) (B version) Storage Temperature -20 ~ 80°C (-4 ~ 176°F) -40 ~ 80°C ( -40~176°F) (B version) Operating Humidity 20 ~ 95% RH (non-condensing) Storage Humidity 0 ~ 95% RH (non-condensing) Ethernet I/O Modules: ADAM-6000 All product specifications are subject to cha