Product Overview
The Flexem FR-D1600 is a compact industrial automation module engineered for reliable digital signal acquisition in control systems. It provides 16 bipolar input channels that accept both NPN and PNP sensor signals, making it a versatile choice for modern PLC and DCS architectures. With its slim 35mm DIN-rail form factor, the FR-D1600 integrates effortlessly into existing panels while delivering consistent performance.
Key Features
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16 bipolar input channels – Compatible with both NPN and PNP sensors, simplifying wiring and reducing inventory.
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Per-channel indicator LEDs – 16 status indicators provide immediate visual feedback for diagnostics.
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35mm DIN-rail mounting – Tool-free installation saves panel space and simplifies maintenance.
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Compact dimensions – 111mm × 18mm × 76mm, ideal for space-constrained enclosures.
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Lightweight design – Weighs just 65g, minimizing mechanical stress on rails.
Technical Specifications
| Parameter |
Value |
| Input Channels |
16 (bipolar, NPN/PNP compatible) |
| Indicators |
16 channel status LEDs |
| Mounting |
35mm DIN rail |
| Dimensions (W×H×D) |
111mm × 18mm × 76mm |
| Weight |
65g |
Industry Applications
The Flexem FR-D1600 excels in production lines where both NPN and PNP sensors coexist. Use it in packaging machinery to monitor proximity switches, in material handling systems to track conveyor belt positions, or in automated assembly stations to read limit switches. Its compact footprint allows dense I/O placement, and the LED indicators speed up troubleshooting on the factory floor.
Installation & Setup
Mount the FR-D1600 onto a standard 35mm DIN rail. Ensure the rail is clean and level, then clip the module into place until it locks securely. Wire each input according to your sensor type—NPN or PNP—matching the common polarity. After wiring, power the module and verify the channel LEDs respond to sensor activation. No special tools are required.
Maintenance & Reliability
With no moving parts, the FR-D1600 requires minimal upkeep. Periodically inspect the DIN-rail connection and check that terminal screws remain tight. Keep the enclosure free of dust and moisture, and avoid exceeding the specified operating environment. The LED indicators help you quickly identify any channel faults, reducing downtime.
Selection Guide
Before ordering, confirm your system’s input voltage and sensor compatibility. The FR-D1600 handles both NPN and PNP, but verify your PLC’s input rating. For volume needs or technical support, PLC Source PRO offers genuine Flexem FR-D1600 modules with fast shipping.