The RemoDAQ-8051+ is a 16-ch. Digital Input Module, built with 2500 VDC optical isolation, suitable for critical applications. Different from other modules, the ADAM-4051 accepts 10~50V input voltage to fit various digital signals, such as 12 VDC, 24 VDC, 48 VDC. Moreover, users can read the current status from the LED indications on the front panel.

Main Feature:
◆ 16 channel single-ended
◆ Digital input for dry contact or wet contact
◆ Input Voltage level:10-50V
◆ Over Voltage protection: 70V
◆ 2500 VDC optical isolation
◆ Support Modbus/RTU Protocol

Specification:

Display		LED Indicators		Power
Power Supply		Power Requirement		10~30 VDC
		Power consumption		1W
Digital Input		Channels		16
		ESD		2000 VDC
		Input Voltage level		10-50V
		Opto-isolated response time		25μs
		LED state		ON or OFF
		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
General		Watchdog Timer		Yes
		Temperature (Operating)		-20~70 ℃
		Humidity		5~95%, non-condensing
		Temperature (Storage)		-25~85 ℃(-13~185 °F)
		Interface		RS-485
		Isolation Protection		3000 VDC
		Overvoltage Protection		70 V
		Communication Protocol		ASCII command & Modbus/RTU
		Communication Speed		Serial: From 1,200 to 115.2 k
		Comm. Distance		Serial: 1.2 km