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Summary of Contents for Eastron SDM320C
- Page 1 Single Phase Multifunction Din Rail Meter SDM320C User Manual V1.2 Zhejiang Eastron Electronic Co., Ltd.
- Page 2 SDM320C User Manual V1.2 Statement All rights reserved. Without the written permission of the company, no paragraphs or chapters in this manual can be extracted, copied or reproduced in any form. Otherwise, the violator shall bear all consequences. The company reserves all legal rights.
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Page 3: Table Of Contents
SDM320C User Manual V1.2 Catalogue Chapter One. Product Overview 1.1 Product Introduction ---------------------------------------------------------------------------------------------------3 1.2 Product Feature ---------------------------------------------------------------------------------------------------------3 1.3 Application Scenarios --------------------------------------------------------------------------------------------------3 Chapter Two. Technical Specification Parameters 2.1 Technical Parameters ---------------------------------------------------------------------------------------------------3 2.2 Measurement Accuracy -----------------------------------------------------------------------------------------------4 2.3 RS485 Communication -------------------------------------------------------------------------------------------------4 2.4 Performance Standard -------------------------------------------------------------------------------------------------4 2.5 Outline and Dimension ------------------------------------------------------------------------------------------------5... -
Page 4: Chapter 1. Product Overview
Chapter 1. Product Overview 1.1 Product Introduction The SDM320C is a single phase multi-function remote control energy meter. It measures all important electrical parameters, such as Active Energy (kWh), Current (A), Voltage (V), Frequency(Hz), Power Factor, Power Demand, import and export energy etc. With built-in relay inside, the meter can be remotely controlled to turn on or off the electricity supply via RS485. -
Page 5: Measurement Accuracy
International Standard: GB-T 17215/ IEC62053-22 Accuracy Class: Class 0.5S Installation Category: CAT II Protection against Penetration of Dust and Water: IP51 (Indoor) Insulating Encased Meter of Protective Class: II Altitude: ≤2000m 2018 EASTRON Electronic. All Rights Reserved. www.eastrongroup.com... -
Page 6: Outline And Dimension
SDM320C User Manual V1.2 2.5 Dimensions Height： 76.5 mm Width： 96.5 mm Length: 76 mm 2018 EASTRON Electronic. All Rights Reserved. www.eastrongroup.com... -
Page 7: Wiring Diagram
Start up Screens: Software Version Failure Display fault code: the display interface of fault code and normal display interface Interface automatic scrolling display, with the switching time of 3s. Error-01 indicates that the relay cannot close. 2018 EASTRON Electronic. All Rights Reserved. www.eastrongroup.com... -
Page 8: Key Definitions
Baud Rate Communication Parity Pulse Constant Software Version Page Display Description Total active energy Example energy：120.00kWh Represents relay open Import active energy Example：60.00kWh Export active energy Example：60.00kWh Total reactive energy Example：200.00 kVArh 2018 EASTRON Electronic. All Rights Reserved. www.eastrongroup.com... - Page 9 SDM320C User Manual V1.2 Import reactive energy Example：100.00 kVArh Export reactive energy Example：100.00kVArh Voltage Example：230V Current Example：50.809A Active power Example：1.800kW Power factor Example：1.000 Frequency Example：50.00hz 2018 EASTRON Electronic. All Rights Reserved. www.eastrongroup.com...
- Page 10 The current output mode of the optocoupler pulse is total active energy mode Software Version Example：02 01.00 The failure interface Example：ERR-01 Automatic display when fault occurs, and ERR-01 represents the relay cannot open. 2018 EASTRON Electronic. All Rights Reserved. www.eastrongroup.com...
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Page 11: Basic Setting
Display Description Set successful, display: good Setting failed, display: err Password Enter password into the Settings screen Default password: 1000 Press select number, press select shift. Then long press to enter the setup 2018 EASTRON Electronic. All Rights Reserved. www.eastrongroup.com... - Page 12 Settings. Parity Bit Default: None Optional：None, Even, Odd Long press enter the parity bit setting interface, the current character flashing. Then, press select the new parity bit. Finally, long press confirm Settings. 2018 EASTRON Electronic. All Rights Reserved. www.eastrongroup.com...
- Page 13 Then, press select the new pulse output type.Finally, long press confirm Settings. Demand cycle Default: 60 min Demand cycle range: 0-60min. 0 represents real-time update demand. 2018 EASTRON Electronic. All Rights Reserved. www.eastrongroup.com...
- Page 14 ； on means that the backlight is turn on. 13-1 Long press into the backlit time setting interface, current character flicker. Then, press select the new backlight lighting time. Finally, long press to confirm Settings. 2018 EASTRON Electronic. All Rights Reserved. www.eastrongroup.com...
- Page 15 This option can be set only if the alarm occurs when relay automatically disconnects. Set relay close through this option, which means manually disarming the alarm. Therefore, before you do this, make sure alarm object troubleshooting. 2018 EASTRON Electronic. All Rights Reserved. www.eastrongroup.com...
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Page 16: Chapter 4. Communication Introduction
Float 30345 Total reactive energy Float kVArh Remark: (1) the Power factor display will be adjusted automatically according to the Current direction. Negative value indicates export Current, while positive value represents import Current. 2018 EASTRON Electronic. All Rights Reserved. www.eastrongroup.com... -
Page 17: Hold Register, Function Code (Hex)
: 4 byte data type : Float The set range: 0~3; Default: 0 Pulse1 0 = 1000 imp/kWh 40023 Pulse 1 = 100 imp/kWh Constant 2 = 10 imp/kWh 3 = 1 imp/kWh 2018 EASTRON Electronic. All Rights Reserved. www.eastrongroup.com... - Page 18 41027 Alarm value Note: After an alarm occurs and the relay is automatically disconnected, it is necessary to manually issue a command to control the relay and close it to release the alarm. 2018 EASTRON Electronic. All Rights Reserved. www.eastrongroup.com...
- Page 19 Length : 2 byte Data Format : Hex Note: (1) Table-1 Alarm object reference number Alarm parameter Voltage Current Active power reactive power apparent power Frequency 2018 EASTRON Electronic. All Rights Reserved. www.eastrongroup.com...
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Page 20: Read Coil Status, Function Code (Hex)
CB = high byte of CRC check code Return: 01 04 04 43 66 33 34 1B 38 Where, 01 = modbus address of the meter 04 = function code 04 = number of bytes returned 2018 EASTRON Electronic. All Rights Reserved. www.eastrongroup.com... - Page 21 00 = high byte of register number 02 = low byte of register number 04 = number of bytes written to data 42 = data, (high byte of high word) 70 = data, (high word low byte) 2018 EASTRON Electronic. All Rights Reserved. www.eastrongroup.com...
- Page 22 Bit0 = 0, which means DO-1 is disconnected. 5. Control coil Example: control DO-1 becomes closed Send: 01 05 00 00 FF 00 8C 3A Where, 01 = modbus address of the meter 05 = function code 2018 EASTRON Electronic. All Rights Reserved. www.eastrongroup.com...
- Page 23 IF you have any question, please feel free to contact our sales team. Zhejiang Eastron Electronic Co., Ltd. No.52, Dongjin Rd, Nanhu, Jiaxing, Zhejiang, 314000, China Tel: +86-573-83698881 83698882 Fax: +86-573-83698883 Email: sales@eastrongroup.com www.eastron.com.cn www.eastrongroup.com 2018 EASTRON Electronic. All Rights Reserved. www.eastrongroup.com...
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