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Keyence BL-U2 RS-232C Communication Unit – Technical Specifications
1. General Information
- Model: BL-U2 (Dedicated RS-232C Interface Unit)
- Compatible Keyence Devices: Designed for Keyence sensors/controllers with communication expansion ports (e.g., IV/IL series, photoelectric sensors)
- Purpose: Enables serial communication between Keyence devices and PLCs/PCs
2. Key Parameters
- Interface Type: RS-232C (EIA-232 compliant)
- Baud Rate: 300 to 115,200 bps (configurable)
- Data Format:
- Data Bits: 7 or 8
- Parity: None/Odd/Even
- Stop Bits: 1 or 2
- Communication Protocol: Keyence-specific command set (supports direct read/write of sensor parameters)
3. Electrical Specifications
- Supply Voltage: 12-24V DC (via host device or external power)
- Current Consumption: Typically 50mA
- Cable Length: Max 15m (standard RS-232C limitations)
4. Mechanical & Environmental
- Housing Material: ABS plastic
- Dimensions: ~40mm (W) × 60mm (H) × 20mm (D)
- Operating Temperature: 0°C to 50°C
- Protection Rating: IP20 (indoor use)
5. Connection Details
- Host Side: Keyence-specific connector (varies by compatible device)
- RS-232C Port: 9-pin D-Sub (female) with standard pinout:
- Pin 2: RxD (Receive)
- Pin 3: TxD (Transmit)
- Pin 5: GND
6. Software & Configuration
- Keyence Software Compatibility:
- KV Studio (for configuration)
- Custom commands via terminal software (e.g., Tera Term)
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