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Sysolution Electric Energy Statistics Senor RM1275 with SOC Chips Support DL/T 645-2007 MODBUS-RTU
Sysolution Electric Energy Statistics Senor RM1275 with SOC Chips Support DL/T 645-2007 MODBUS-RTU
Specifications
Brand Name :
Sysolution
Model Number :
RM1275
Certification :
FCC，CE certification
Place of Origin :
China
MOQ :
1
Price :
Negotiation
Payment Terms :
T/T,PayPal
Supply Ability :
30 units per week
Packaging Details :
carton box
Delivery Time :
2-3 working days
Voltage range :
1-380v
Current range :
200mA-50A
Frequency :
AC45-65Hz
Temperature :
Chips'temperature
Minimum electrical energy variables :
0.001kWh
Operating temperature :
-40℃ - +80℃
Size :
60mm*65mm*40mm
Description

Sysolution Electric Energy Statistics Senor RM1275

Product Introduction:

RM1275 single-phase AC energy metering module is a new product released by Sysolution Technology to accommodate various manufacturers to monitor the power consumption of their products. The software and hardware platform it uses has been applied in a large number of industrial products such as smart meters, and is the smallest unit to achieve power metering.

Applications:

RM1275 has been applied on a large scale in many industries, such as AC charging pile, street lamp post monitoring, machine room, base station monitoring, energy-saving transformation, intelligent power management, dynamic loop, security monitoring, equipment energy consumption monitoring, etc. The accuracy of the module is better than the national level 1 standard; it can measure AC voltage, current, power, power factor, frequency and other electrical data from 45 to 65Hz; its communication protocol conforms to Modbus RTU communication protocol and DL/T645-2007 multi-functional energy meter communication, and it is easy to connect with other micro controllers and ARM to realize automatic data acquisition and monitoring through corresponding interfaces.

This module can be easily embedded in street lamp post monitoring, smart home, smart household appliances, energy-saving transformation, intelligent power management, security monitoring, equipment energy consumption monitoring and many other industries, is an important supporting module to follow the trend of Internet of Things.

Functions & Features:

  1. Single module can achieve the collection of single-phase AC parameters, including voltage, current, power, power factor, frequency, electrical energy, temperature multiple electrical parameters, which provide overall information.
  2. Adopt industrial-grade special power metering SOC chip, with high measurement accuracy.
  3. Standard 485 communication, communication port with ESD protection, communication protocol supports DL/T 645-2007 and MODBUS-RTU dual statute.
  4. Flip over and restart the measurement after the electricity is fully stored, and the electricity data is protected by power down.
  5. Adopt current transformer with aperture Φ12.8mm, user can use Cable lug, which is convenient for user.
  6. When the load uses electricity, the PF pin will output the corresponding pulse. This pin can also be used for the calibration bench to check the power measurement accuracy of the metering module through pulse acquisition.
  7. the product has obtained the test report of the meteorology institute.

Product Image:​

Sysolution Electric Energy Statistics Senor RM1275 with SOC Chips Support DL/T 645-2007 MODBUS-RTU

Specifications:

Measuring Parameters
Watt-hour Mete Level

Level 1.0(Note 1)
Voltage Range 1-380V ±0.5%F.S
Current Range 20mA-50A ±0.5%F.S
Current Range Extension Expandable range, open-ended transformer (customized)
Frequency AC45~65Hz
Temperature Chip Temperature
Minimum Power Variable 0.0001kW
Power Factor Measurable
Pulse Constant 1000imp/kWh
Minimum Electrical Energy Variable 0.001kWh
CO₂ National standard formula calculation
Communication Functions
Interface Type 485 communication (built-in ESD protection)
Communication Protocol DL/T 645-2007 and MODBUS-RTU dual protocol
Data Format Default "n,8,1" (no parity bit, 8 data bits, 1 stop bit)
Baud Rate 2400bps-19200bps,default 4800bps
Data Refresh Interval ≥250ms
Indicator Power indicator / communication indicator (red)

Working Parameters:

Power
Typical Power Consumption ≤10mA
Power Supply DC5.0V power supply, 3.3V power supply is available for shortly connect
Pressure Resistance Level AC3000Vrms
Overload Capacity 1.2 times the range
Environment
Working Temperature -40～+80℃
Relative Humidity 5～95%, no condensation (Under 40℃)
Altitude 0～3000 m
Working Environment No explosive, corrosive gas and conductive dust, no significant vibration and shock places
Structure
Size Length 60mmx width 65mmx height 40 mm
Wiring Pin Pitch 3.81mm pitch (standard 3.81 green terminal)
Transformer Aperture Φ12.8mm
Installation Method Four corner fixing holes (3.5 aperture) installation

Module Pin Definitions:

Sysolution Electric Energy Statistics Senor RM1275 with SOC Chips Support DL/T 645-2007 MODBUS-RTU
Pin Function
V+ positive power supply for metering module
V- Negative power supply for metering module

Description:

This group voltage is the module power supply voltage, default DC5V, while shortly connected the module

RDJ1 and RDJ2 points can support 3.3V power supply, at this time the reverse protection function fails, pay attention to the correct wiring, reverse connection will directly burn out the chip.
EARTH Connected to earth, can be suspended when not needed
B External 485B
A External 485A
P+ External pulse port P+
P- External pulse port P-
L Connect the measured live wire
N Connect the measured Neutral wire

Modbus Communication Protocols

Modbus protocol electrical parameter register list 1 (default, 4 bytes per address, high byte first)

Number Project Register Address Word Length Read/Write Data Type & Description
1 Voltage 0048H 4 Read

Hexadecimal unsigned number Unit 0.0001V

Actual value = HEX2DEC (register value) x unit, same as below
2 Current 0049H 4 Read Hexadecimal unsigned number Unit 0.0001A

3

 Active power 004AH 4 Read

Hexadecimal unsigned number Unit 0.0001W

Negative power initial F, actual power is 2^32- decimal register value
4 Active energy 004BH 4 Read/Write Hexadecimal unsigned number Unit 0.0001KWh
5 Power Factor 004CH 4 Read Hexadecimal unsigned number Unit 0.001
6 Carbon dioxide emission 004DH 4 Read Hexadecimal unsigned number Unit 0.0001Kg
7 Temperature 004EH 4 Read Hexadecimal unsigned number Unit 0.01℃
8 Frequency 004FH 4 Read Hexadecimal unsigned number Unit 0.01 Hz
9 Address & Baud Rate 0004H 2 Read/Write

Hexadecimal system Default value is 0105H:

(Address 01H 8,N,1,4800), the default address is 1

High byte represents address, range 1~255, 0 is broadcast address Low byte: High 2 bits data format

(00: 10-bit data "8,N,1") No checksum 1-bit end bit

(01: 11-bit data "8,E,1") Even parity 1-bit end bit

(10: 11-bit data "8,O,1") Odd-check 1-bit end bit Low byte: Lower 4 bits are baud rate

(3: 1200bps 4: 2400bps)

(5: 4800bps 6: 9600bps)

(7: 19200bps)

Note 1: The power direction function is an optional function

Modbus protocol electrical parameter register list 2 (customized, 2 bytes per address, high byte first)

Number Definition Register Address Read/Write Data Type & Calculate Description
1 Voltage 0048H Read Unsigned number, value=DATA/100, unit V
2 Current 0049H Read Unsigned number, value=DATA/100, unit A
3 Active power 004AH Read Unsigned number, value=DATA, unit W

4

Active energy

 004BH Read Unsigned number, value=DATA/3200, unit kWh
004CH Read
5 Power Factor 004DH Read Unsigned number, value=DATA/1000

6

Carbon dioxide emission

 004EH Read

High CO2 emission

Low CO2 emission, value = DATA/1000, unit Kg
004FH Read
7 Temperature 0050H Read Reserved (this function is not available in this module)
8

Frequency

 0051H Read Value = DATA/100, unit Hz
9 Address & Baud Rate 0004H Read/Write

Hexadecimal system Default value is 0105H:

(Address 01H 8,N,1,4800), the default address is 1

High byte represents the address, range 1~255, 0 is the broadcast address

Low Byte: High 2 bits data format

(00: 10-bit data "8,N,1") No parity 1-bit end bit

(01: 11-bit data "8,E,1") Even parity 1-bit end bit

(10: 11-bit data "8,O,1") Odd-check 1-bit end bit

Low Byte: The low 4 bits are baud rate

(3: 1200bps 4: 2400bps)

(5: 4800bps 6: 9600bps)

(7: 19200bps)

For More Communication Protocols, please download the RM1275 Datasheet in Download Center.

Dimension:

Sysolution Electric Energy Statistics Senor RM1275 with SOC Chips Support DL/T 645-2007 MODBUS-RTU

Unmarked dimensional tolerance: GB1804-m

Wire Connection

Standard Application Wiring Diagram

Sysolution Electric Energy Statistics Senor RM1275 with SOC Chips Support DL/T 645-2007 MODBUS-RTU

Short contact indication diagram

Sysolution Electric Energy Statistics Senor RM1275 with SOC Chips Support DL/T 645-2007 MODBUS-RTU

Cautions:

  1. This product contains quartz crystals. It is strictly prohibited to use ultrasonic cleaning on this product.
  2. The surface of this product is sprayed with three proof paint for protection, and it is strictly prohibited to clean the product surface.
  3. Please wire correctly according to the product specifications and model, as shown in the diagram. Before wiring, ensure that all signal sources and power supplies are disconnected to avoid danger and damage to the equipment. After checking and confirming that the wiring is correct, connect the power supply for testing.
  4. The voltage circuit or the secondary circuit of PT cannot be short circuited.
  5. When there is current on the primary side of the CT, it is strictly prohibited to open the secondary circuit of the CT; It is strictly prohibited to wire or unplug terminals with electricity.
  6. When using the product in environments with strong electromagnetic interference, please pay attention to the shielding of the input and output signal lines.
  7. During centralized installation, the minimum installation interval should not be less than 10mm.
  8. This series of products is not equipped with lightning protection circuits internally. When the input and output feeders of the module are exposed to harsh outdoor weather conditions, lightning protection measures should be taken.
  9. Do not damage or modify the labels or logos of the product, do not disassemble or modify the product, otherwise our company will no longer provide "three guarantees" (replacement, return, repair) services for the product.
Product tags

rs485 tester

,

astm a105 reducer

,

apr48 rectifier module
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Sysolution Electric Energy Statistics Senor RM1275 with SOC Chips Support DL/T 645-2007 MODBUS-RTU

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Product Detail
Brand Name :
Sysolution
Model Number :
RM1275
Certification :
FCC，CE certification
Place of Origin :
China
MOQ :
1
Price :
Negotiation
Contact Supplier
Sysolution Electric Energy Statistics Senor RM1275 with SOC Chips Support DL/T 645-2007 MODBUS-RTU

Shenzhen Sysolution Cloud Technology Company Limited

Site Member
6 Years
shanghai, shanghai
Since 2006
Business Type :
Manufacturer, Agent, Importer, Exporter, Seller
Main Products :
MainStream Products, Synchronous System, Asychronous System
Total Annual :
2000-5000
Employee Number :
50~100
Certification Level :
Site Member
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