Revolution Pi DIO - Digital I/O expansion module

R3,379.90  Inc VAT

Using the digital I/O - module RevPi DIO your Revolution Pi system can be expanded by 14 digital inputs and 14 digital outputs. This expansion module is connected to your base module by the means of the overhead PiBridge plug.

 The required PiPridge Plug (Item No.: 100204) and a set of 14-pole PCB female connectors (Item No.: 200030) are already included in the scope of delivery of this expansion module.

Compatible base modulesRevPi Core 3 (Article No. 100257)
RevPi Core (Article No. 100102)
RevPi Connect (Article No. 100274)
No. of Inputs14
No. of Outputs14
Power supply24V
IP codeIP20

Housing dimensions (H x W x D)
96 x 22.5 x 110.5 mm
Housing type
DIN rail housing (for DIN rail version EN 50022)
Housing material
approx. 100 g / 130 g (incl. connectors)
IP Code
Power supply
12-24 V DC -15% / +20% (X2 and X4) 1
Max. power consumption
1.5 Watt (X4/power supply)
Operating temperature
-40 °C....+55 °C
Storage temperature
-40 °C....+85 °C
Humidity (at 40°C)
93% (non-condensing)
2 x 4-pole screw-type terminal for power supply
2 x 14-pin socket connectors with spring clamp contacts (0.2 - 1.5 mm²) for IOs, pitch 3.5 mm (Wieland Item No. 27.630.4453.0)
Optical indicator
3 status LEDs (bi-color)
Number of digital input channels
Input type
Galvanically isolated from the system bus and from the outputs, individually configurable as direct digital input, counter rising edge, counter falling edge or together with neighboured input as encoder 2
Input current limitation
2.4 mA (at 24 V power supply)
Input thresholds
At 24 V compatible according to EN61131-2 to Type I and III sensors
Digital debounce circuit
Collectively adjustable for all inputs: off, 25 μs, 750 μs or 3 ms
Maximum frequency resolution of the counter inputs
2 kHz (corresponding to 500 Hz encoder sequence)
For auxiliary voltages below 19 V and below 9 V,
Input protection
According to EN 61131-2 (IEC 61000-4-4, -5, -6, and -2) against overvoltage, negative voltages, burst, surge, ESD, RFI
Number of digital output channels
Output type
Galvanically isolated from the system bus and the inputs,
individually configurable as direct digital output with high-side
or push-pull drivers as well as a PWM output 3
Maximum current per output
500 mA (high-side mode), 100 mA (push-pull mode)
PWM frequency
Collectively selectable for all outputs: 40 Hz, 80 Hz, 160 Hz,
200 Hz, 400 Hz 3
Thermal shutdown or short circuit of outputs (individually for each output)
Dual watchdog function
In the event of communication failure with the controller (after 50 ms) or internal communication with the CPU (after 9 ms, hardware-controlled), the outputs are reseted to zero
Output protection
According to EN 61131-2 (IEC 61000-4-4, -5, -6, and -2) against short circuit, overload, external voltage, negative voltages, burst, surge, ESD, RFI
Compatible modules for system expansion
All RevPi base module, expansion modules and RevPi Gate
modules (connected via overhead PiBridge connector)
Protection of the power supply inputs
Reverse polarity protected, overvoltage protection
CE conformity
RoHS conformity
Surge/Burst tests
Passed (according to EN61131-2 and IEC 61000-6-2)

Technical data also available in pdf format:

Tutorials available at

  • Availability: 2
  • Model: RevPi Digital IO
  • Manufacturer: Revolution Pi