WOODHEAD DRL-DPM-BKF

Product Introduction:​ The DRL-DPM-BKF with PC/104 bus interface (also referenced as PC104-DPIO or PC104-DP10 depending on the backplane variant) is an embedded communication module that enables a PC/104 or PC/104-Plus based industrial computer to act as a PROFIBUS-DP Master station. It offloads the entire PROFIBUS protocol stack to its onboard processor (typically Hilscher netX-class ASIC), minimizing host CPU load.

Category:
Description
Technical Specifications & Performance Parameters:
  • Host Bus Interface:​ PC/104 (ISA 16-bit I/O mapped); some variants support PC/104-Plus (PCI) — check exact P/N suffix
  • Fieldbus Protocol:​ PROFIBUS-DP V0/V1/V2 (Master mode; Slave mode supported on some firmware versions)
  • Data Rate:​ 9.6 kbps to 12 Mbps (auto baud detection configurable)
  • PROFIBUS Connector:​ 1 × D-Sub 9-pin female (RS-485, with optical isolation ≥ 1 kV)
  • Max. Slave Addresses:​ Up to 126 PROFIBUS stations (address space limited by application)
  • Dual-Port RAM / Mailbox:​ Onboard Dual-Port RAM for cyclic I/O data exchange with host
  • Diagnostics:​ Extensive status LEDs (PWR, RUN, ERR, BF), diagnostic buffers accessible via driver API
  • Supported OS Drivers:​ Windows (XP/7/10 Embedded), Linux, VxWorks, QNX
  • Power Requirement:​ +5 V DC from PC/104 bus (typ. 300 – 500 mA); optional +12 V for transceiver section
Material & Structural Features:
  • Form Factor:​ Standard PC/104 module (90 mm × 96 mm), stacking header connectors
  • Housing:​ No enclosure (board-level); components conform to IPC-A-610 Class 2/3
  • Indicators:​ 3–4 LEDs on top edge for bus and module status
  • Weight:​ Approx. 60 – 80 g
Operating Conditions & Installation Requirements:
  • Operating Temp.:​ 0 °C to +60 °C (commercial); extended temp. -40 °C to +85 °C on some batches
  • Humidity:​ 5 % – 95 % RH non-condensing
  • Installation:​ Stack directly onto PC/104 CPU board using bus spacers; secure with mounting hardware
  • Termination:​ PROFIBUS network requires 220 Ω termination resistor at each end (not on card)
Application Scenarios:​ Embedded controllers for machine tools, packaging lines, material handling — connecting PC-based soft-PLC or SCADA to PROFIBUS-DP field devices (drives, remote I/O, valves, analyzers).
Notes / Precautions:
  • Verify the exact P/N suffix: DRL-DPM-BKF may also appear in DIN-rail gateway format — this description applies to the PC/104 board version (PC104-DPIO).
  • Ensure proper GND reference between PC/104 system and PROFIBUS shield.
  • Firmware configuration is done via Brad/Hilscher SYCON.netor equivalent configuration tool.
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