F5-MD1616N Flexem 16 Input 16 Output Digital Expansion Module 24VDC

Flexem F5-MD1616N – High-Density 16‑Input 16‑Output Digital Module

• Brand & Model Identity
  • Brand: Flexem
  • Series: F5 High-Density Digital
  • Model: F5-MD1616N
  • Type: 16‑input / 16‑output digital expansion module
• Digital Input Specifications (16 Points)
  • Input type: Bipolar, sink/source compatible
  • Rated voltage: 24 VDC
  • Input voltage range: 0 ~ 28.8 VDC
  • Peak voltage allowed: 30V (max 1 hour/day)
  • Input current: 7mA typical, 9mA max
  • ON state threshold:
    • Voltage: >15V (15 ~ 28.8V)
    • Current: >2.5mA
  • OFF state threshold:
    • Voltage: <5V (0 ~ 5V)
    • Current: <1.0mA
  • Input impedance: 3.3 kΩ
  • Isolation: Optocoupler
  • Filter time: Default 1ms, 16 steps (0 to 100ms)
  • Compatible sensors: 2‑wire and 3‑wire
• Digital Output Specifications (16 Points)
  • Output type: Transistor (sourcing)
  • Rated voltage: 24 VDC
  • Voltage range: 19.2 ~ 28.8 VDC
  • Rated current: 0.5A per point
  • Current per group: 0.5A x number of outputs in group
  • Voltage drop (max): 1 VDC
  • Leakage current (off): <5 μA
  • Switching times:
    • Turn-on: 34 μs max
    • Turn-off: 250 μs max
  • Max output frequency: 1 kHz
  • Short circuit protection: Yes, with self-recovery every 10ms
  • Peak short-circuit current: 1.3A
  • Clamping voltage: 39 VDC ±1V
  • Isolation: 500V AC (output to logic)
• Wiring & Cable Guidelines
  • Input cable length:
    • Shielded: 100m max
    • Unshielded: 50m max
  • Output cable: Unshielded, 50m max
  • Wiring structure: Removable terminal block
• Power & Environmental
  • Power supply: 24 VDC (supplied from main unit)
  • Operating temperature: -10°C ~ +60°C
  • Storage temperature: -20°C ~ +70°C
  • Humidity: 5% ~ 95% RH (non‑condensing)
  • Mounting: DIN rail (35mm) or screw fixing
  • Dimensions: Standard F5 series

Professional FAQ – Selection & Application Guide

• 1. When should I choose the F5-MD1616N over smaller I/O modules?Choose this high-density module when you have many field devices but limited panel space. It packs 32 I/O points into one unit, saving valuable DIN rail length.
• 2. Can I connect both NPN and PNP sensors to the same module?Yes. The F5-MD1616N inputs are bipolar and accept both sourcing (PNP) and sinking (NPN) signals without rewiring.
• 3. What happens if an output short circuit occurs?The module protects itself. It limits current to 1.3A and attempts self-recovery every 10ms. Once the short is removed, output returns to normal automatically.
• 4. How do I handle fast signals like encoders or pulse trains?The F5-MD1616N outputs can switch up to 1kHz. For higher speed signals, use a dedicated high-speed counter module.
• 5. What are your shipping options and warranty?We ship via FedEx, UPS, DHL – typically 3-5 business days worldwide. The F5-MD1616N includes a 12-month warranty against defects.

Package Contents & Logistics

• Package includes:
  • 1x Flexem F5-MD1616N digital I/O module
  • 2x Removable terminal blocks (inputs and outputs)
  • 1x Installation manual
• Shipping carriers: FedEx, UPS, DHL – express with tracking
• Warranty: 12 months from delivery date

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