Reliably send contact signals over long distances

The Digital I/O Extender Set 8x8 sends up to 16 digital I/O signals over multi-mode fiber optic cable. The set consists of two Digital-I/O <> glass fiber optics and supports eight I/O channels in each direction.

Technical data:

Connections and displays:

• I/O connection:
  • Plug-in screw terminal
• Digital outputs:
  • 8 x Digital Out 8V-30V, 500mA, short circuit protected,
  • configurable response to failure of the optical connection
• Digital inputs:
  • 8 x Digital In, max. input voltage ±30V,
  • protected against reverse connection within this range,
  • Switching threshold 9V ± 1V, "On" current = 2.2mA
• Glass fiber connection:
  • ST plug adapter
• Supported signals:
  • 16 digital signals (eight in each direction)
• Signal propagation time:
  • Input to output: max. 20ms
• Fiber optic medium:
  • Multi-mode fiber 50/125μm, 62.5/125μm
• Transmitter type:
  • LED
• Wavelength:
  • 820nm
• Optical budget:
  • 50/125µm: typically 9.6dB, min. 4.2dB
  • 62.5/125µm: typically 13.4dB, min. 8.0dB
• Maximum distance:
  • 50/125µm: typically 3200m, min. 1400m @3dB/km
  • 62.5/125µm: typically 3800m, min. 2200m @3.5dB/km
• Supply voltage:
  • 8..30V DC
• Current consumption:
  • typ. 20mA @12V DC
• Supply connection:
  • Plug-in screw terminal, 5.08mm spacing
  • Labeled "L+" and "M"
• Displays:
  • 8x LED inputs
  • 8x LED outputs
  • 1x LED Link
  • 1x LED Power

Housing and other data:

• Housing:
  • Plastic housing for top hat rail installation
  • 105 x 45 x 75mm (L x W x H)
• Enclosure rating:
  • IP20
• Weight:
  • approx. 400g
• Ambient temperature:
  • Storage: -40..+70°C, Operation: 0..+70°C
• Permissible relative humidity:
  • 5..90% relative humidity (non-condensing)
• MTBF:
  • 326,086h @25°C per MIL-HDBK-217
• Life expectancy:
  • > 25 years at 25°C ambient temperature
• Scope of delivery:
  • 2 Converters Digital-I/O <> Multi-Mode Glass Fiber
  • If needed please order power supplies as separate accessories

Declaration of Comformity