ADAM-4050 ADAM-4051 ADAM-4052 ADAM-4050 15-ch Digital I/O Module 16-ch Isolated Digital Input Module with Modbus 8-ch Isolated Digital Input Module ADAM-4051 RoHS COMPLIANT 2002/95/EC RoHS COMPLIANT 2002/95/EC ADAM-4052 RoHS COMPLIANT 2002/95/EC Specifications Specifications Specifications General General General Connectors Connectors Connectors 2 x plug-in terminal blocks (#14 ~ 22 AWG) Power Consumption 0.4 W @ 24 VDC Watchdog Timer System (1.6 second) Supported Protocols ASCII command Digital Input Channels Input Level 7 Logic level 0: +1 V max. Logic level 1: 3.5 ~ 30 V Pull up current: 0.5 mA, 10 kΩ resistor to +5 V Digital Output Channels Power Dissipation 8 open collector to 30 V, 30 mA max. load 300 mW 2 x plug-in terminal blocks (#14 ~ 28 AWG) Power Consumption 1 W @ 24 VDC Watchdog Timer System (1.6 second) & Communication Supported Protocols ASCII command and Modbus/RTU LED Indicators Yes Power Input Unregulated 10 ~ 30 VDC RS-485 I/O Modules Digital Input Channels Digital Input Channels 16 Input Voltage 50 V max Input Level Dry contact: Logic level 0: open Logic level 1: close to GND Wet contact: Logic level 0: +3 V max Logic level 1: +10 ~ 50 V (Note: Digital Input levels 0 and 1 can be inverted) Isolation Voltage 2,500 VDC Input Resistance 5.2 kΩ Overvoltage 70 VDC Protection Common Specifications General 2 x plug-in terminal blocks (#14 ~ 22 AWG) Power Consumption 0.4 W @ 24 VDC Watchdog Timer System (1.6 second) Supported Protocols ASCII command Input Level Isolation Voltage Input Resistance 8 (6 fully independent isolated channels, 2 isolated channels with common ground) Logic level 0: +1 V max. Logic level 1: +3 ~ 30 V 5,000 VRMS 3 kΩ Ordering Information Environment ADAM-4050 Humidity 5 ~ 95% RH Operating - 10 ~ 70° C (14 ~ 158° F) Temperature Storage Temperature- 25 ~ 85°C (-13 ~ 185° F) ADAM-4051 ADAM-4052 15-ch Digital I/O Module 16-ch Isolated Digital Input Module with Modbus 8-ch Isolated Digital Input Module