Microsoft Windows Embedded Partner - WEPP


Industrial I/O Control PCIe Card
8+8-ch Isolated Digital I/O

Main Features

Board Level:

  • Designed to meet PCI Express Base Specification Revision 2.1.
  • With high reliable SUNIX QiuNiu UART Digital-I/O controller.
  • Plug-n-Play, I/O address and IRQ assigned by system.
  • Ultra low power consumption ( <1.5W) design for green environment and industrial application.
  • High quality electronic components, low impedance and high stability ensure product quality and reliability.
  • Support Microsoft Windows 10 with C and C# programming language sample code.
  • Capable of engaging with EdgeX device C SDK for EdgeX service development.
  • Certified by CE, FCC, RoHS, and Microsoft approvals.
  • Support both standard and Low profile bracket design to meet various PC chassis.

Digital I/O Communication:

  • Expands isolated eight (8) digital input channels with features for all channels.
    • Support both NPN & PNP devices
    • Support both dry and wet contact connections
    • With digital filter for noise reduction
    • Built-in 32-bit counter for all digital in channels
  • Expands isolated eight (8) NPN type digital output channels with initial value (Booting & Restart) protection.
  • Each channel built-in 2.5KV isolation protection for signal and power, allowing the input signals to be completely floated so as to prevent ground loops.


SUNIX SDC0880I, industrial isolated digital I/O PCI-Express add-on card, is designed for PC-based IoT Gateway or desktop that enables data acquisition and I/O controls in industrial automation. This board built-in SUNIX Digital-I/O controller, QiuNiu, and also built with many of SUNIX advanced features and technologies. In addition, SUNIX provides API software and SDK library, allowing users to program under Windows 10 operating systems. The software package includes a dynamic library.dll, C and C# programming language sample code, making it easier to develop application software. SUNIX SDC0880I board enriches digital I/O expandable capacity with cost-efficient design; it is the best digital I/O control solution for lite-industrial applications.

20210312175134 sdc feat 0880



Board Communication
Interface PCI Express
Controller SUNIX QiuNiu UART Digital-I/O Controller
BUS PCI Express Gen1 x 1 (single lane)
IRQ & IO Assigned by System
ESD Protection ±15KV IEC61000-4-2 Air Gap Discharge
±8KV IEC61000-4-2 Contact Discharge
Digital Input Communication
Type NPN & PNP
Channel 8-channel
Dry Contact Logic Level 0: Open;
Logic Level 1: Close to GND
Wet Contact Logic Level 0: 0 to 3VDC;
Logic Level 1: 10 to 50VDC
Input Resistance 10KΩ
Isolation 2500 VDC
Frequency Input Range 2KHz with Isolation
Pin Define DI1~DI8, COM, GND
Counter 32-bit counter for all channel
Interrupt Mode Event trigger (Rising Edge, Falling Edge, Both modes) & polling for all channels
Noise Reduction Digital Filter
PCB Connector DB25 Female Connector
Digital Output Communication
Type NPN
Channel 8-channel
Voltage Range 3.5 to 40VDC
Current 500mA per Channel
Isolation 2500 VDC
Pin Define DO1~DO8, PWR, GND
Initial Protection Initial Value Setup (Booting & Restart protection) 
PCB Connector DB25 Female Connector
Software Support

Windows 10 (X86/X64)


Library: DLL for Windows supporting C, C++, C# languages.
Support C, C# sample code available                   

Third Party Software

Capable of engaging with EdgeX device C SDK for EdgeX service development.                   

Regulatory Approvals


Green Product


Operation Temperature

-20 to 70°C (-4 to 158°F)

Operation Humidity 5 to 95% (non-condensing)

Storage Temperature

-20 to 70°C (-4 to 158°F)

PCB Dimension

84.44 x 68.5 mm

Bracket Standard 121 mm / Low Profile 79.2mm

Bracket Space