MOXA CP-134U Series
4-port RS-422/485 Universal PCI serial boards with optional 2 kV isolation  
Datasheet
moxa-cp-134u-series-datasheet-v1.3.pdf
Features and Benefits
  • Over 700 kbps data throughput for top performance

  • 921.6 kbps maximum baudrate for fast data transmission

  • ADDC® provides automatic data direction control for RS-485 signals

  • 128-byte FIFO and on-chip H/W, S/W flow control

  • Compatible with 3.3/5 V PCI and PCI-X

  • Drivers provided for a broad selection of operating systems, including Windows, Linux, and UNIX

  • Ports 1 and 2 support RS-232 and RS-422/485

  • Wide-temperature model available for -40 to 85°C environments

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Overview Specifications Accessories Models

Introduction

The CP-134U and CP-134U-I 4-port universal PCI boards are designed for industrial automation applications that require a long-distance, multipoint, PC-based data acquisition solution.

On-Chip Automatic Data Direction Control for Precise RS-485 Communication

RS-485 communication requires precise timing control to enable and disable the line driver. The Moxa Turbo Serial Engine™ chip that powers the CP-134U board comes with on-chip ADDC®, which makes RS-485 as easy to use as RS-232.

RS-485 Multidrop for up to 31 Devices Within 1.2 km

The CP-134U universal PCI board has four RS-422/485 serial ports, each of which can achieve data rates up to 921.6 kbps. In RS-485 mode, the board can connect up to 31 daisy-chained RS-485 devices within a range of 1.2 km. For long-distance RS-485 communication, choose the CP-134U-I, which comes with 2 kV electrical isolation protection to prevent equipment damage.

Drivers Provided for Windows, Linux, and UNIX

We continue to support a wide variety of operating systems, and the CP-134U and CP-134U-I boards are no exception. Reliable Windows, Linux, and UNIX drivers are provided for all Moxa boards, and other operating systems, such as WEPOS, are also supported for embedded integration.

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