Mitsubishi ME96NSR-MB- User Manual

Page 2 - CONTENTS

CONTENTS 1. Functions ................................................................................................................................................. 2 2. System Configurations.............................................................................................................

Page 3 - Technical Characteristic

1. Functions Mitsubishi Electronic Multi-Measuring Instrument ME96NSR-MB provides measurement values with ModBus RTU protocol to a PLC or PC via an RS485 serial link (2 wires). 2. System Configurations ME96NSR-MB ME96NSR-MB ME96NSR-MB 120 Ω RS232 or USB 120 Ω PC PLC OR ModBus(RS485) Maximum 31 units...

Page 4 - Specification for Communication; Standard Communications Frame; Bit Sequence

4. Specification for Communication For details, please download and refer to ModBus over Serial Line Specification & Implementation guide V1.02 posted on the following URL; http://www.modbus.org/ 4 .1 Standard Communications Frame The standard communications frame consists of: Slave address Func...

Page 5 - Framing of Query and Response; Example

5. Framing of Query and Response 5 .1 Read Holding Registers (03H) ■ Query framing **H 03H Hi Lo Hi Lo Lo Hi Slave address Starting address Quantity of registers CRC ・ Slave address : 1 to FFH ・ Stating address : 2byte ・ Quantity of registers : Maximum 125 ・ CRC : 2byte ■ Response framing (Maximum 2...

Page 6 - ModBus Exception Responses

5 .3 Diagnostics (08H) (Sub function code 00H) ■ Query framing **H 08H 00H 00H Hi Lo Lo Hi Slave address Sub function code Data CRC ・ Slave address : 1 to FFH ・ Sub function code : 00H, 00H fixed. ・ Data : 2 bytes (Any value) ・ CRC : 2 bytes ■ Response framing **H 08H 00H 00H Hi Lo Lo Hi Slave addre...

Page 7 - Data; Phase Wiring

7. Data 7 .1 Data of Setup Registers (0200H to 020BH, 0600H to 0622H) ※ When a data in the preset multiple registers (10H) is 8000H or 80000000H, the data of the address is not changed. In case of collective setting, use the unpreset address. (1) Phase Wiring Phase wiring Data 3P3W_2CT 0003H 3P4W 00...

Page 9 - 6 Bits Register for Alarm Monitor 2

(9) 16 Bits Register for Alarm Monitor 2 Data Bit Content ON(1) OFF(0) b0 Upper limit alarm of current (phase 1) Alarm Non-Alarm b1 Upper limit alarm of current (phase 2) Alarm Non-Alarm b2 Upper limit alarm of current (phase 3) Alarm Non-Alarm b3 Upper limit alarm of current (phase N) Alarm Non-Ala...

Page 10 - Multiplying Factor

7 .2 Multiplying Factor Conditions of multiplying factor by setup of each element are shown below. Element Condition Multiplying factor 0V to 440V less than ×0.1 440V to 3300V less than ×1 3300V to 113.7kV less than ×10 Voltage Harmonics voltage Primary voltage (Note1) 113.7kV or more ×100 5A to 40A...

Page 11 - List of Parameters; Setup Register

7 .3 List of Parameters (1) Setup Register Address Dec. Hex. byte count R/W ※ 1 Register Name RANGE ※ 2 Unit 3P4W 3P3W _2CT 3P3W _3CT 512 0200h 2 R/W Phase Wiring Refer to 7 .1(1) ○ ○ ○ 513 0201h 4 R/W Primary voltage (L-L) Refer to 7 .1(2) V ○ ○ ○ 515 0203h 4 R/W Primary voltage (L-N) Refer to 7 .1...

Page 12 - Instantaneous Value Register

(2) Instantaneous Value Register Address Dec. Hex. byte count R/W ※ 1 Register Name RANGE ※ 2 Unit 3P4W 3P3W _2CT 3P3W _3CT 768 0300h 2 R Phase 1 current 0 to 32767 A ○ ○ ○ 769 0301h 2 R Phase 2 current 0 to 32767 A ○ ○ ○ 770 0302h 2 R Phase 3 current 0 to 32767 A ○ ○ ○ 771 0303h 2 R Neutral current...

Page 13 - Maximum Value Register

(3) Maximum Value Register Address Dec. Hex. R/W ※ 1 byte count Register Name RANGE ※ 2 Unit 3P4W 3P3W _2CT 3P3W _3CT 812 032Ch 2 R Phase 1 current Max. 0 to 32767 A ○ ○ ○ 813 032Dh 2 R Phase 2 current Max. 0 to 32767 A ○ ○ ○ 814 032Eh 2 R Phase 3 current Max. 0 to 32767 A ○ ○ ○ 815 032Fh 2 R Neutra...

Page 14 - Minimum Value Register

(4) Minimum Value Register Address Dec. Hex. byte count R/W ※ 1 Register Name RANGE ※ 2 Unit 3P4W 3P3W _2CT 3P3W _3CT 858 035Ah 2 R Phase 1 current Min. 0 to 32767 A ○ ○ ○ 859 035Bh 2 R Phase 2 current Min. 0 to 32767 A ○ ○ ○ 860 035Ch 2 R Phase 3 current Min. 0 to 32767 A ○ ○ ○ 861 035Dh 2 R Neutra...

Page 15 - Counting of Energy Register

(5) Counting of Energy Register Address Dec. Hex. byte count R/W ※ 1 Register Name RANGE ※ 2 Unit 3P4W 3P3W _2CT 3P3W _3CT 1280 0500h 2 R less than 1000 ○ ○ ○ 1281 0501h 2 R Active energy import kWh 1000 or more ○ ○ ○ 1282 0502h 2 R less than 1000 ○ ○ ○ 1283 0503h 2 R Active energy export kWh 1000 o...

Page 16 - Alarm Value Register; If it is not set, exception code is returned.

(6) Alarm Value Register Address Dec. Hex. byte count R/W ※ 1 Register Name RANGE ※ 2 Unit 3P4W 3P3W _2CT 3P3W _3CT 1536 0600h 4 R/W Current demand upper limit 0 to 4000000 ×0.01A ○ ○ ○ 1538 0602h 4 R/W Voltage(L-N) upper limit 0 to 75000000 ×0.01V ○ 1540 0604h 4 R/W Current upper limit 0 to 4000000...

Page 17 - Harmonics Value Register

(7) Harmonics Value Register Address Dec. Hex. byte count R/W ※ 1 Register Name RANGE ※ 2 Unit 3P4W 3P3W _2CT 3P3W _3CT 1792 0700h 2 R Harmonics value V1N Total 0 to 32767 V ○ 1793 0701h 2 R Harmonics value V2N Total 0 to 32767 V ○ 1794 0702h 2 R Harmonics value V3N Total 0 to 32767 V ○ 1795 0703h 2...

Page 20 - Harmonics Maximum Value Register

(8) Harmonics Maximum Value Register Address Dec. Hex. byte count R/W ※ 1 Register Name RANGE ※ 2 Unit 3P4W 3P3W _2CT 3P3W _3CT 3328 0D00h 2 R Reserved 0 3329 0D01h 2 R Harmonics value V(L-N) 1st Max. 0 to 32767 V ○ 3330 0D02h 2 R Reserved 0 3331 0D03h 2 R Reserved 0 3332 0D04h 2 R Reserved 0 3333 0...

Page 22 - Test Fumction Mode; How to Test; Data shown in the next section is replied.; Reply Data

8. Test Fumction Mode ME96NSR has the test function mode which the fixed values are replied if there is no input. It is effective to check the communication to PLC. 8 .1 How to Test To test, it is necessary to operate the basic device. Operate as follows. ① At the state of power failure, turn on the...

Mitsubishi ME96NSR-MB- User Manual

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