BRAD COMMUNICATIONS PC104-DPIO

Product Introduction:
The PC104-DPIO is an industrial-grade communication interface card conforming to the PC/104 stackable bus standard. It integrates a full PROFIBUS-DP protocol stack (DP-V0/V1/V2) and can operate either as a DP-Master (Class 1 Scanner) or DP-Slave, enabling embedded PCs or industrial computers to communicate directly with PROFIBUS field devices such as drives, remote I/O, and PLCs.
Category:
Description
Technical Specifications:
  • Bus Interface:​ PC/104 (ISA-style 16-bit bus); also supports stacking with PC/104-Plus if electrically compatible
  • PROFIBUS Port:​ 1 × 9-pin D-Sub female (IEC 61158-2), RS-485 with optical isolation (500 V)
  • Baud Rate:​ 9.6 kbps to 12 Mbps (auto-baud detection supported)
  • Onboard Processor:​ AMD SC520 @ 133 MHz (or equivalent embedded network processor)
  • Memory:​ 8 MB SDRAM, 512 KB Flash
  • Status Indicators:​ 2 × dual-color LEDs (Link/Activity, Error/Bus Fault)
  • Power Requirement:​ +5 VDC from PC/104 bus (typical 1.2 A max)
  • Dimensions:​ 95 mm × 90 mm (PC/104 standard)
  • Operating Temp:​ 0 °C to +65 °C
  • Supported OS:​ Windows (XP/7/8/10), Linux, VxWorks, QNX, IntervalZero RTX
  • Protocols:​ PROFIBUS DP-V0, DP-V1 (acyclic data exchange), DP-V2
Features:
  • Acts as PROFIBUS DP Master — scans up to full DP slave table per spec
  • Optical isolation protects host PC from field ground loops
  • Includes driver SDK and configuration utility (Brad Cx Profibus Configurator)
  • Low-profile, fanless — ideal for compact embedded enclosures
Applications:​ Embedded industrial PCs interfacing to PROFIBUS networks in manufacturing cells, test stands, legacy system modernization, and distributed I/O communication.
Installation Notes:​ Set node address via onboard DIP switches or software. Terminate the PROFIBUS line with 220 Ω resistors at both ends. Ensure +5 V rail on PC/104 backplane can supply required current.
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