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Licht MFC-300/IT Technical Manual

Temperature indicator/transducer
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Temperature Indicator/Transducer
model MFC-300/IT
Technical Manual
Licht

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Summary of Contents for Licht MFC-300/IT

  • Page 1 Temperature Indicator/Transducer model MFC-300/IT Technical Manual Licht...

  • Page 2: Table Of Contents

    Contents Introduction Front panel indication Configuration Parameter reset Programmable parameters General parameters Current outputs (option) MODBUS protocol DNP3 protocol (option) Language Additional versions Specifications Housing diagrams Weatherproof enclosure layout Connection diagrams MODBUS registers Rev. A1 (18–01–12) MFC-300/I-T Technical Manual...

  • Page 3: Introduction

    Licht http://www.licht-labs.com info@licht-labs.com 1 Introduction The MFC-300/I-T is a precise, highly reliable and versatile microcontrolled device de- signed to read, display and retransmit temperature values. Each MFC-300/I-T features one isolated RS-485 port, which can be used for communication using the MODBUS or DNP3 protocols.

  • Page 4: Front Panel Indication

    Licht http://www.licht-labs.com info@licht-labs.com 2 Front panel indication During operation, the MFC-300 displays its temperature measurement. Licht MULTI FUNCTION CONTROLLER MFC-300/I-T www.licht-labs.com RTD 1: 63.0 C Indication mode: RTD 2: 86.4 C Temperature R 10 R 11 R 12 R 13 R 14 RTD 1: 124.4 Ohm...

  • Page 5: Configuration

    Licht http://www.licht-labs.com info@licht-labs.com 3 Configuration Parameterization The MFC-300 features 4 keys to access its functions. The procedure to configure any parameter is as follows: 1. Press the P key to enter the parameters menu. 2. Enter the currently configured 4 letter password one letter at a time, using the keys to select each letter and P to advance between letters.

  • Page 6: Programmable Parameters

    Licht http://www.licht-labs.com info@licht-labs.com 4 Programmable parameters The MFC-300/I-T were developed to provide the user with the greatest possible flexiblity, such that all supervision and configuration can be executed on-site or remotely through the existing communication channels. We define all user-configurable parameters below.

  • Page 7: Dnp3 Protocol (Option)

    Licht http://www.licht-labs.com info@licht-labs.com 8O1: 8 data bits, odd parity, 1 stop bit. 8N2: 8 data bits, no parity, 2 stop bits. Parameter: Address Options: 1 to 247. Description: MODBUS address for the MFC-300. 4.4 DNP3 protocol (option) Parameter: Baud Rate Options: 9600, 19200, 38400, 57600, 115200 bps.

  • Page 8: Language

    Licht http://www.licht-labs.com info@licht-labs.com Parameter: Backoff Delay (Fixed) Options: 1 to 100 ms. Description: See description for Backoff Delay (Random). Parameter: Backoff Delay (Random) Options: 1 to 100 ms. Description: The MFC-300 is designed for multi-drop scenarios where more than one outstation may transmit over the same line.

  • Page 9: Additional Versions

    Licht http://www.licht-labs.com info@licht-labs.com 5 Additional versions Figure 5.1 MFC-300/I-T Indicator (96x96 version) Figure 5.2 MFC-300/I-T Indicator (with weatherproof enclosure) Rev. A1 (18–01–12) MFC-300/I-T Technical Manual...

  • Page 10: A Specifications

    Licht http://www.licht-labs.com info@licht-labs.com A Specifications Isolated, 80-260 Vac/Vdc. Power Supply Power Consumption -10 to 70 C (LCD display) Operating Temperature -40 to 70 C (VFD display) IP20 (96x48 and 96x96 formats) Enclosure Rating IP65 (with weatherproof enclosure) Panel-mounted Mounting Options...

  • Page 11: B Housing Diagrams

    Licht http://www.licht-labs.com info@licht-labs.com B Housing diagrams Rev. A1 (18–01–12) MFC-300/I-T Technical Manual...
  • Page 12 Licht http://www.licht-labs.com info@licht-labs.com Rev. A1 (18–01–12) MFC-300/I-T Technical Manual...
  • Page 13 Licht http://www.licht-labs.com info@licht-labs.com Rev. A1 (18–01–12) MFC-300/I-T Technical Manual...

  • Page 14: C Weatherproof Enclosure Layout

    Licht http://www.licht-labs.com info@licht-labs.com C Weatherproof enclosure layout Rev. A1 (18–01–12) MFC-300/I-T Technical Manual...

  • Page 15: D Connection Diagrams

    Licht http://www.licht-labs.com info@licht-labs.com D Connection diagrams MFC-300 / I - T TEMPERATURE INDICATOR / TRANSDUCER Rev. A1 (18–01–12) MFC-300/I-T Technical Manual...
  • Page 16 Licht http://www.licht-labs.com info@licht-labs.com Important considerations The installation of electronic devices in substations should conform with the recommen- dations given by recent international standards. The most recent and detailed guide for installations is IEC 61000-5-2:1997, which was based on decades of laboratory and field research.
  • Page 17 Licht http://www.licht-labs.com info@licht-labs.com i. RS-485 devices must be connected in a bus topology. No other network topology (tree, star, ring, etc.) is acceptable. j. Dry contact inputs (if applicable) must free of potentials. Rev. A1 (18–01–12) MFC-300/I-T Technical Manual...

  • Page 18: Emodbus Registers

    Licht http://www.licht-labs.com info@licht-labs.com E MODBUS registers The MFC-300 implements the Read Holding Register (0x03), Write Single Register (0x06) and Write Multiple Register (0x10) MODBUS RTU functions. A frame referring to any other function will be answered with an "unsupported function code" exception.
  • Page 19 Licht http://www.licht-labs.com info@licht-labs.com Rev. A1 (18–01–12) MFC-300/I-T Technical Manual...

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