https://zhuanlan.zhihu.com/p/1987200752129696711
As a professional provider of IoT data acquisition solutions and an expert in industrial IoT data acquisition, the editor of Shanghai Data Acquisition IOT Technology Co., Ltd， (daq-iot) hereby presents the following introduction, and sincerely welcomes discussions and exchanges.
Supported Communication Interfaces: CAN, RS485, Mbus, 4–20mA, Profibus, CC-Link, HART, digital I/O, etc.
Industrial Protocols: Modbus RTU/TCP, HJ212, IEC104, DLT645, DLMS, IEC61850, MQTT, etc.
Mail:export@daq-iot.com
2 routesRS485 interfacePerform meter reading, with a maximum support of 8 energy meters per channel, for a total of 16 energy meters that can be connected.
N electric energy Data Acquisition: Collecting positive and negative active/reactive power, four quadrants andTime sharing (four rate)Electric energy, generating active and reactive energy curves.
”Real-time Data Acquisition: Collect voltage, current, phase failure data, clock, operation status, and other Real-time information to facilitate management and grasp of on-site conditions.
”Power closed-loop controlThis includes control types such as time period control, factory rest control, business shutdown control, and current power value fluctuation control.
nElectric energy constant value closed-loop control, including monthly electricity energy control, purchase electricity (cost) control, and reminder alarm function.
It can save daily historical data for the past 60 days, curve data for the past 30 days, monthly historical data for the past 12 months, and meter reading data for the past 10 days.
Independent monitoring of voltage, current, power, and electricity, as well as Real-time Data Acquisition functions.
Meter collection cycle: 1-60 minutes can be set, with a default interval of 5 minutes.
Remote signaling function: defaults to passive contact input, monitoring the position of 2 user switches and monitoring the opening and closing of 1 metering cabinet.
Record event information such as power outage, trip, abnormal energy meter, terminal abnormality, etc.
Chinese character dot matrix 160X160 LCD display, six buttons with full Chinese menu display, categorizes and displays data and parameters.
”Built in TCP/IP ProtocolGPRS moduleSupport remote file download and breakpoint resume on the main site.
”The terminal is equipped with a backup lithium battery, which allows the terminal to communicate with the main station at least three times after a power outage.
Effectively saving the operational and control parameters of Real-time can prevent parameter loss.
The device is password protected to prevent unauthorized personnel from operating it.
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