PLC I/O Module Front-End Controller Using a Tiva C Series ARM Cortex-M4 MCU TIDA-00123 (OBSOLETE)

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Key Document

Description

This TI Design implements the Tiva™ C Series MCU as a front-end controller for TI's suite of Programmable Logic Controller (PLC) analog and digital I/O module reference design boards. The design includes sockets for interfacing and simultaneously controlling two TI Designs I/O reference design boards. It allows maximum versatility whereby the I/O boards can be any combination of analog or digital, input or output modules. The controller system automatically identifies and configures each I/O board appropriately, setting any required compensation of the analog circuitry. On-board power supplies are included to power the controller board as well as providing isolated power to both I/O boards, eliminating the need for multiple external power supplies. Additional circuitry is provided that optimizes the I/O signal aquisition and data throughput, enabling full 1-MSPS data acqusition and 20-MHz SPI bus performance. This design also performs as an evaluation platform for each of the I/O boards, analyzing the performance of several key parameters and relaying the results to a PC via an onboard USB 2.0 connector. Included in the design is an easy-to-use Graphical User Interface that runs a LabView™-based analysis program facilitating comprehensive evaluation of the I/O reference designs. The GUI provides many options for configuration of the test parameters as well as filtering and set up options that allow for comprehensive analysis of the individual I/O module boards. Full documentation and design files of the platform are provided.

Features
  • 32-bit, 80MHz Tiva™ C Series ARM® Cortex™-M4 MCU
  • Modular plug-in design: two identical interface sockets for simultaneously controlling and analyzing TI's suite of PLC I/O module reference design boards
  • Circuitry for enhanced throughput enabling full 1-MSPS data acquisition and 20-MHz SPI performance
  • EMC-compliant isolated RS485 interface for fieldbus connectivity and EMC-compliant USB 2.0 interface for PC connectivity
  • High-efficiency, isolated power supply for both I/O boards using LM5017 Flybuck™ topology
  • Power supply protection circtry for safeguarding against reverse polarity, transient/surge, and in-rush current
  • LabView™-based GUI for functional testing and performance analysis

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TI Devices (8)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
ISO3082  2.5 kVrms Isolated 5 V Half-Duplex RS-485 Transceiver  Isolation  Sample & Buy View Design Kits & Evaluation Modules
LM5017  7.5-100V Wide Vin, 600mA Constant On-Time Synchronous Buck Regulator  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
LM5069  Positive High Voltage Hot Swap / Inrush Current Controller with Power Limiting  Power switches  Sample & Buy View Design Kits & Evaluation Modules
REF3230  3-V 4-ppm/°C, 100-µA 6-pin SOT-23 series (bandgap) voltage reference  Voltage references  Not Available Not Available
TM4C1237E6PZ  High performance 32-bit ARM® Cortex®-M4F based MCU  Microcontrollers (MCU)  Not Available View Design Kits & Evaluation Modules
TPD4E1B06  Bidirectional Quad-Channel High-Speed ESD Protection Device  Circuit protection  Sample & Buy View Design Kits & Evaluation Modules
TPS3897  Single-Channel Ultra-Small Adjustable Supervisory Circuit With Active-High Open-Drain Output  Power management  Sample & Buy View Design Kits & Evaluation Modules
TPS55010  2.95V To 6V Input, 2W, Isolated DC/DC Converter with Integrated FETS  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
ISO3082 Download Download
LM5017 Download Download
Download Download
LM5069 Download Download
REF3230 Download Download
TM4C1237E6PZ Download Download
TPD4E1B06 Download
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TPS3897 Download Download
TPS55010 Download Download

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Technical Documents

See the Important Notice and Disclaimer covering reference designs and other TI resources.

User guides (1)
Title Type Size (KB) Date
PDF 3724 30 Jan 2014
Selection guides (1)
Title Type Size (KB) Date
PDF 3478 06 Mar 2015
Design files (2)
Title Type Size (KB) Date
PDF 1920 30 Jan 2014
PDF 222 30 Jan 2014
More literature (2)
Title Type Size (KB) Date
PDF 552 13 Mar 2015
PDF 783 21 Aug 2014
Related Tools & Software

Reference Designs  ( 4 )

Software (3)



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