Product Short Description
Product Identity: The F4-16AD-2 is a 16-channel analog voltage input module developed jointly by Automation Direct, Facts Engineering, and Koyo. It belongs to the DirectLogic 405 series and interfaces with DL405 family controllers and external I/O devices.
Technical Specifications
- Channel Configuration: 16 single-ended analog voltage input channels, all terminating into a single common
Description
- Resolution: 12-bit A/D conversion
- User-Selectable Input Ranges: 0 to 5 V DC or 0 to 10 V DC; all channels on the module must be configured to the same range
- Output Range: 0 to 5 V DC / 0 to 10 V DC (digitized representation)
- Base Power Requirement: 5 V DC, 75 to 80 mA
- External Power Supply: 21.6 to 26.4 V DC (required for field-side operation)
- Absolute Maximum Ratings: 130 V AC / 100 V DC (must not be exceeded to avoid device damage)
- Operating Temperature: 0 °C to 60 °C
- Storage Temperature: −20 °C to 70 °C
- Physical Dimensions: approximately 263 × 58 × 28 mm; weight approximately 0.4 kg
Functional Features
- High-density voltage acquisition: 16 channels in a single slot reduce rack footprint
- Simple wiring topology: single-common architecture minimizes terminal block complexity
- Compatible with a broad spectrum of voltage-output sensors and transmitters
- Voltage sourcing capability up to 10 mA maximum
Application Scenarios
- Real-time analog data acquisition from voltage-output temperature transmitters, pressure transducers, and position sensors
- Industrial automation systems based on DirectLogic 405 controllers
- Process monitoring where 0–5 V or 0–10 V signals are standard
Installation and Usage Notes
- Maintain a climate-controlled environment; the module is climate-sensitive and requires operating temperatures strictly within 0 to 60 °C
- Do not exceed the absolute maximum input ratings of 130 V AC or 100 V DC, as overvoltage will permanently damage the device
- Ensure the external 24 V DC auxiliary supply (21.6–26.4 V) is present in addition to the 5 V backplane power for proper operation
- Refer to the manufacturer’s user manual for complete wiring diagrams and grounding recommendations





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