Description
Brad Communications PC104-DPIO
Technical Specifications
- Product type: PC104 digital I/O module
- Bus: PC104
- DI channels: 16 isolated inputs
- DO channels: 16 isolated outputs
- Input voltage: DC24 V
- Output voltage: DC24 V
- Isolation: 1500 VAC
- Supply: PC104 5 V
- Operating temperature: -40 °C to +85 °C wide temperature
- Storage temperature: -55 °C to +105 °C
- Humidity: 5 % to 95 %, non-condensing
- Protection: IP20
- Installation: PC104 stacking
- Terminals: Screw terminals
Functional Features
- PC104 industrial bus expansion
- 16 DI / 16 DO optically isolated
- 1500 VAC channel isolation
- Wide temperature -40 °C to +85 °C
- Front panel LEDs per channel
- DOS/Windows/Linux drivers
- Single-ended/differential input selectable
- Output latch with readback
- Industrial hardened design
- Military test environment
Application Scenarios
- Embedded industrial PC switch I/O expansion
- Military test equipment I/O
- Traffic signal control system
- Semiconductor equipment test
- Laboratory data acquisition
Materials and Construction
- PCB: FR4 wide-temperature board
- Optocouplers: Optical isolation chips
- Connector: stacking connector
- Terminals: Screw terminals
- Passive components: TVS, resistors
- No housing (bare board)
Structural Features
- standard 96 mm × 90 mm board
- Four mounting holes
- Front panel terminals and LEDs
- bus stacking headers
- Fanless cooling
- Hardened components
Working Principle The bus reads input ports; field signals convert to digital levels through optocouplers. Writing to output ports drives field actuators through optocouplers. LEDs indicate per-channel status. Drivers provide Windows/Linux API.
Installation Requirements
- With industrial PC power off, insert and stack cards
- Field wires to terminals
- Correct wiring orientation
- Grounding
- Temperature -40 °C to +85 °C
- Install driver software
- Tighten mounting screws
Precautions
- Power off before board insertion/removal
- Input/output must not exceed DC24 V
- Wear ESD wrist strap
- Store spares in anti-static packaging
- Driver version matches OS
- Tighten terminals
