F&F LE-03MQ CT - Table of Contents

LE-03MQ CT – User manual
2
CONTENTS
1. PURPOSE....................................................................................................................................................... 4
2. UNIT CHARACTERISTIC ................. .............................................................................................................. 4
2.1. Measured values ............................................................................................................................................................ 4
2.2. Current transformers (CT) .............................................................................................................................................. 4
2.3. RS-485 communication port and Modbus RTU protocole ............................................................................................. 5
2.4. Pulse output .................................................................................................................................................................... 5
3. START-UP SCREENS .................................................................................................................................... 5
4. OPERATOR PANEL ...................................................................................................................................... 6
4.1. Voltage and current, harmonic ...................................................................................................................................... 6
4.2. Frequency, power factor and demand .......................................................................................................................... 7
4.3. Power ............................................................................................................................................................................. 8
4.4. Energy measurements ................................................................................................................................................... 9
5. SETUP ........................................................................................................................................................ 10
5.1. Setup entry methods .................................................................................................................................................... 10
5.1.1. Navigation ............................................................................................................................................................... 10
5.1.2. Number entry procedure ......................................................................................................................................... 10
5.2. Setup parameters ......................................................................................................................................................... 11
5.2.1. Entry into configuration menu ................................................................................................................................ 11
5.2.2. RS-485 communication ............................................................................................................................................ 11
5.2.2.1. (Slave ID) Address ............................................................................................................................................ 11
5.2.2.2. Baud rate ......................................................................................................................................................... 12
5.2.2.3. Parity ................................................................................................................................................................ 13
5.2.2.4. Stop bits ........................................................................................................................................................... 13
5.2.3. Current transformers .............................................................................................................................................. 14
5.2.4. Measuring voltage .................................................................................................................................................. 15
5.2.5. Pulse output ........................................................................................................................................................... 16
5.2.5.1. Energy setup ................................................................................................................................................... 16
5.2.5.2. Pulse rate ........................................................................................................................................................ 17
5.2.5.3. Pulse duration ................................................................................................................................................. 17
5.2.6. Demand Integration Time (DIT) .............................................................................................................................. 18