16-ch Isolated Digital Input Module with Modbus

The ADAM-4051 is a 16-ch. digital input module, built with 2500 VDC optical isolation, suitable for Class 1 / Division 2 hazardous location critical applications.

• Power Requirement: 10~30 VDC
• General
• Watchdog Timer: System (1.6 second)
• Connector: 2 x plug-in terminal block (#14~28 AWG)
• Temperature (Operating): -10~70 °C (14~158 °F)
• Humidity: 5~95 %RH
• Temperature (Storage): -25~85 °C (-13~185 °F)
• Interface: RS-485
• Isolation Protection: 2,500 VDC
• Communication Protocol: ASCII command & Modbus/RTU
• Communication Speed: Serial: From 1,200 to 115.2 k
• Data Flow Control: Yes
• Digital Input
• Channels: 16
• Input Voltage: Dry contact: Logic level 0: close to GND Logic level 1: open Wet contact: Logic level 0: 3 VDC max. Logic level 1: 10~50 VDC

• ADAM-4051 - 16-ch Isolated Digital Input Module with Modbus