PMM - Power Meter Monitor

PMM0914

UART/TTL to RS422 Converter Module

PMM-da-720-series-image-1-(1).jpg | PMM

KEY FEATURES

  • Customized 3.3V power supply and signals
  • Communication speed 2.5MBPS
  • Ultra-long transmission 1000 meters
  • Improved ESD Specifications:
    • - ±15kV Human Body Model
    • - ±15kV IEC1000-4-2 Air Discharge
    • - ±8kV IEC1000-4-2 Contact Discharge
  • 120 ohm termination resistor
  • Operating temperature -40 to 800C
  • Very high EMC and EMI performance
  • Module size: 43mm * 18mm * 3mm
  • Vertical and horizontal mounting options, compatible with standard DIP/SIP pinout
  • RoHS Compliant
  • Proven PCB Layout
  • Fully Assembled and Tested
 
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DESCRIPTION

PMM0914 is a TTL to RS422 converter module via SP490E TTL to RS-422 Interface chipset which allows ICs to use RS-422 differential signaling for robust long-distance serial communications. This module allows for data transmission and communication of a CPU/MCU with any RS422 device over large distances up to 1000m.

Earthing the module by connecting its terminal to ground gives it an excellent anti-jamming and anti-lightning effect, thus making it more secure and perfect for industrial use. Moreover, it has the ability to work under difficult environmental conditions.

BOARD PINOUT

SCHEMATIC DIAGRAM

DIMENSIONS

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