AUTOMATIONDIRECT D2-16ND3-2 Digital Input Module

Product Overview

Model: D2-16ND3-2
Series: DirectLOGIC DL205 PLC
Manufacturer: AutomationDirect

The AUTOMATIONDIRECT D2-16ND3-2 is a 16-point DC Digital Input Module designed for the DirectLOGIC DL205 PLC system. It provides reliable acquisition of 24VDC discrete signals from field devices such as sensors, switches, and industrial control components. The module supports both sinking and sourcing input configurations and is widely used in industrial automation applications.

Technical Specifications

• Product Type: Digital Input Module
• Model: D2-16ND3-2
• Series: DirectLOGIC DL205
• Input Points: 16 channels
• Input Type: DC Digital Input
• Input Voltage: 24 VDC nominal
• Voltage Range: 20–28 VDC
• Input Configuration: Sinking / Sourcing compatible
• Isolated Commons: 2 isolated commons
• Points per Common: 8 points/common
• Input Current: 6 mA @ 24 VDC
• Input Impedance: 3.9 kΩ
• ON Voltage Level: Minimum 19 VDC
• OFF Voltage Level: Maximum 7 VDC
• Response Time: 3–9 ms
• Power Requirement: 5 VDC / 100 mA from PLC base
• Terminal Type: Removable terminal block
• Compatible PLC System: DirectLOGIC DL205
• Programming Software: DirectSOFT

Advantages & Features

• 16-Channel Digital Input Design
  Provides multiple signal inputs for monitoring field devices and machine status.
• Sinking/Sourcing Compatibility
  Flexible wiring configuration supports different types of industrial sensors and switches.
• Isolated Input Groups
  Two isolated commons improve electrical protection and reduce signal interference.
• Reliable Signal Detection
  Stable 24VDC input processing ensures accurate PLC monitoring.
• Modular PLC Expansion
  Easy installation with DirectLOGIC DL205 PLC systems.
• Compact Industrial Design
  Saves control cabinet space while expanding PLC input capability.

Applications

• Industrial Automation Systems
• Machine Control Equipment
• Conveyor Systems
• Packaging Machinery
• Sensor Monitoring Systems
• Factory Production Lines
• Material Handling Equipment
• Process Control Systems

Precautions

• Verify compatibility with DirectLOGIC DL205 PLC base before installation.
• Confirm 24VDC input voltage requirements.
• Check sinking/sourcing wiring method before connection.
• Avoid exceeding rated input voltage.
• Ensure correct grounding and shielding in noisy environments.
• Disconnect PLC power before installing or removing the module.
• Check field device polarity before wiring.