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Delta Electronics DPM-C520 [3/46] Preface
![Delta Electronics DPM-C520 [3/46] Preface](/views2/1478742/page3/bg3.png)
2
Preface
Thank you for choosing this product. This manual offers information related to installation of the
DPM - C530A power meter. Before using the meter, please read this manual carefully to ensure
proper use of this meter. Also, please place the manual at an easy - to - fi nd location for reference
at any time. Before you fi nish reading this manual, please observe the following notes:
■
No water vapor, corrosive and fl ammable gas shall be present in the installation environment.
■
Follow the instructions on the diagram for wiring the device.
■
Grounding must be performed correctly and properly according to provisions from related
regulations on electric work currently effective in the country.
■
Do not disassemble the meter or alter its wiring with power connected.
■
With power on, do not touch the power - connecting area to avoid electric shock.
If you still experience issues in the use, please contact your distributor or our customer service center.
As the product gets updated and improved, modifications on the specifications will be addressed in
the newest version of manual obtainable by contacting your distributor or downloading from the Delta
Electronics website（http: / / www.delta.com.tw / ia / ）.
Содержание
- Table of contents 2
- Preface 3
- Always be aware of the following safety notes when installing wiring operating maintaining and 4
- Checking the device 4
- Maintenance and check 4
- Methods of wiring 4
- Note on wiring 4
- Notes on installation 4
- Notes on operation 4
- Safety notes 4
- Wiring for communication circuits 4
- Installation environment 5
- Descriptions 6
- Descriptions of parts 6
- Exterior and dimensions 6
- Operating interface 6
- Product name tag 6
- Apparatuses or devices without permission 7
- Basis for the manufacture or sell of shall not be reproduced or used as the 7
- Control power 7
- Description 7
- Design drawn 7
- Df mea3h 1r01slddrt 7
- Dimensional tolerances 7
- Function pin voltage current 7
- Holes 0 5 angles 0 7
- Issue date 7
- L1 80 265 7
- Ma max l2 7
- Measured current 7
- Measured votage 7
- Part no 7
- Property of delta electronics inc and these drawings and specifications are the 7
- Rs 485 7
- Sheet of 7
- Used on 7
- V l n 400v l n 35v l l 690v l l v2 7
- Installation 8
- Installation method 8
- Dimensions of panel hole 9
- Unit mm inches 9
- Basic checks 10
- Wiring diagrams 11
- Wiring on the back 11
- Descriptions of wiring 12
- Diagram 5 1 one phase two wire 1 ct diagram 5 2 one phase three wire 2 ct 12
- Diagram 5 3 three phase three wire 12
- Diagram 5 4 three phase three wire 12
- Measured current measured current 12
- Measured voltage measured voltage 12
- Supported methods of wiring supported methods of wiring 12
- The device use of an external current transformer should be considered 12
- The device use of an external potential transformer should be considered 12
- This chapter illustrates how wiring is done for this panel 12
- When measured current is higher than the rated specifi cation refer to electrical specifi cation 9 for 12
- When measured voltage is higher than the rated specifi cation refer to electrical specifi cation 9 for 12
- Δ delta connection 2 ct no pt 12
- Δ delta connection 3 ct no pt 12
- The following symbols are used in the diagram 13
- Descriptions 14
- Panel display 14
- Panel display and settings 14
- Amp unb 15
- Menu tree 15
- Pf dpf 15
- Ph ph qh qh sh sh 15
- Pqs p q s 15
- Tim dat com sys ct pt rst info 15
- Tot amp vln vll 15
- Vln vll i pf pwr hz 15
- Vln vll uln ull 15
- General operations 16
- Setup operations 17
- Overview of parameters 23
- Parameters and functions 23
- Abnormal situations the power meter records the type and time of the alarm occurred in the register 38
- Based on start stop status for the 10 types of alarm settings address location 0x1f 0xb7 under 38
- Below informing the reason why the main station experienced abnormal situation 38
- Location 0x400 0x483 the types of alarms and their descriptions are as follows 38
- Messages of abnormal operations 38
- Under abnormal communications the power meter can send out messages via modbus codes shown 38
- Specifications 39
- Baud rate 9600 19200 38400 40
- Communication protocols modbus rtu 40
- Communication specifications 40
- Data bit 8 40
- Functional code 03 06 10 40
- Max distance of communication 1200 m 40
- Max number of connected stations 32 40
- Parity none odd even 40
- Stop bit 1 40
- 1 modbus rtu mode is adopted with modbus master sending out the request in which the function 41
- Are shown in the example below 41
- Code uses 0x03 to request response from slave to correspond to values in modbus address in 41
- Format of modbus communication 41
- Function code modbus name description 41
- High byte low byte high byte low byte 41
- Low word high word 41
- Master 41
- Modbus communication 41
- Modbus communication protocols 41
- Packet format of ieee754 is used for the address of floating point numbers that corresponds to the 41
- Register values found in table 7 using 2 s complement packet format the format are as follows 41
- Request 41
- Response 41
- Response modbus slave responds to the values of modbus address in the master request the 41
- The packet formats for the address of integers that corresponds to the register values found in table 7 41
- X03 read holding registers read the contents of read location 41
- X06 write single holding registers preset the contents of written location 41
- X10 write multiple holding registers preset the contents of written location 41
- Ct setting register address 0x000e on the power meter modbus slave slave address 0x1 the 42
- Example 42
- For modbus master such as plc or data collector it uses modbus protocol to get the value of 42
- Master request 42
- Register value is 1000 42
- Slave response 42
- The packet format for request sent out by modbus master plc or data collector is as follows 42
- The packet format for response responded by modbus slave power meter is as follows 42
- After receiving response from the power meter modbus master acquires the value of currents from the primary side current transformer register address 0x000e which is 1000 43
- Should modbus slave power meter receive an abnormal request the format of the abnormal packet responded is as follows refer to chapter 9 for the abnormal codes 43
- Slave response 43
- Appendix 44
- Appendix 1 selecting accessories 44
- Current transformer 44
- For the current transformer the model with a closer maximal current on the primary side should be select ed according to the maximal current actually input for example when the maximal current input is 700 a dct s261c can be selected 44
- Notes on selecting a current transformer 44
- Should input current exceed rated current tolerated by the meter 44
- Specifications the power meter needs to be used together with a current 44
- Transformer ct users can select a suitable ct according to the table below 44
- Wire over length on the secondary side of the current transformer causes decrease in accuracy 44
- Appendix 2 abbreviations 45
- Americas 46
- Europe 46
- Industrial automation headquarters 46
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