The HM13-5 from Atrie (ATR Industrie-Elektronik GmbH) is a three-channel level converter designed to translate 5V TTL signals into RS422 format, commonly used in industrial automation and control systems.

 Key Features

• Input Signal: 5V TTL (Transistor-Transistor Logic)
• Output Signal: RS422 differential signal
• Channels: 3 independent conversion channels
• Frequency Range: Up to 500 kHz
• Galvanic Isolation: Between input and output for noise immunity
• Power Supply: 24 VDC 
• Mounting: DIN rail (35mm top-hat rail)
• Status Indicators: LEDs for each channel on the front panel
• Housing: Slim, grey insulating material
• Weight: Approx. 115g