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Texas Instruments LM20242MH/NOPB | Demoboard TIDA-00123
PLC I/O Module Front-End Controller Using a Tiva C Series ARM Cortex-M4 MCU
Details
| Topologie | Sperrwandler |
| Eingangsspannung | 24 V |
| Ausgang 1 | 24 V / 0.1 A |
| IC-Revision | E1 |
Beschreibung
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.
Eigenschaften
- 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
Typische Anwendungen
- Digital Output Module
- Analog Input Module
- Analog Output Module
- Other PLC
- Digital Input Module
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | L(µH) | IRP,40K(A) | ISAT,30%(A) | RDC typ.(mΩ) | fres(MHz) | VOP(V) | Montageart | Vin | VOut1(V) | IOut1(mA) | Isolierungstyp | fswitch(kHz) | ∫Udt(Vµs) | NPRI : NSEC | VT(V (AC)) | L(mm) | B(mm) | H(mm) | VOut2(V) | IOut2(mA) | ISAT(A) | LS(µH) | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-MAPI SMT-Speicherdrossel, 3.3 µH, 1.85 A | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-MAPI SMT-Speicherdrossel | Induktivität3.3 µH | Performance Nennstrom1.85 A | Sättigungsstrom @ 30%3.7 A | Gleichstromwiderstand232 mΩ | Eigenresonanzfrequenz38 MHz | Betriebsspannung80 V | MontageartSMT | – | – | – | – | – | – | – | – | Länge3 mm | Breite3 mm | Höhe1 mm | – | – | Sättigungsstrom2.95 A | – | ||||
 | WE-IBTI Isolated Buck Transformers, 66 µH, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-IBTI Isolated Buck Transformers | Induktivität66 µH | – | – | – | – | – | MontageartSMT | Input Voltage 15 - 40 V (DC) | Ausgangsspannung 112.7 V | Ausgangsstrom 1600 mA | – | Switching Frequency 600 | – | Übersetzungsverhältnis1:1 | Prüfspannung1500 V (AC) | Länge13.34 mm | Breite15.24 mm | Höhe11.43 mm | Ausgangsspannung 212.7 V | Ausgangsstrom 2600 mA | Sättigungsstrom1.2 A | Streuinduktivität1.5 µH | ||||
 | WE-PPTI Push-Pull Transformers, 475 µH, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-PPTI Push-Pull Transformers | Induktivität475 µH | – | – | – | – | – | MontageartSMT | Input Voltage 3.3 V (DC) | Ausgangsspannung 15 V | Ausgangsstrom 1450 mA | IsolierungstypFunktional | Switching Frequency 250 - 550 | Spannung-µSekunde11 Vµs | Übersetzungsverhältnis1:2 | Prüfspannung2500 V (AC) | Länge6.73 mm | Breite10.2 mm | Höhe4.19 mm | – | – | – | – |