https://zhuanlan.zhihu.com/p/1932153444254356599
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
As IoTData Acquisitionsolution Professional provider, data acquisition IoT*Editor daq iot* Here is an introduction to the following content, and we sincerely welcome everyone to discuss and exchange ideas.
As a professional provider of IoT data collection solutions, daq-iot, the data acquisition and IoT editor, will introduce the following content here and sincerely welcome everyone to discuss and communicate.
Equipment type: Video surveillance environment and meteorological monitoring inverter Anti islanding protection deviceSplit high and low voltage multifunctional electric meter SVG (if involving high voltage projects), boost transformer measurement and control device (if involving high voltage projects)
The data content includes historical data (90 days), Real-time data right angle/tilt angle/cumulative irradiance, temperature, humidity, wind speed, wind direction, rainfall (snowfall), dust deposition rate/concentration, air pollution index, etc. The data that needs to be collected is shown in Appendix 1 "Remote Communication: Circuit Breaker Opening and Closing Status, Fault, Alarm, Abnormal Information, Manual and Remote Indication;
Telemetry: data such as line voltage, protection current, power, frequency, etc; Remote control: signal reset, remote control opening and closing of electrical parameters such as voltage, current, active power, reactive power, positive and negative phase electricity, power factor, etc; Equipment operating status; Protection and alarm signal measurement and control device data (voltage, forward and reverse power, power, protection, etc.)
Network cable, fiber optic cable, indoor camera
Video Recorder
Monitoring system host
Show violence
PV power station
Wireless Upload O&M Center
Vertical encryption
Firewall
Ethernet cable
Reserved upload scheduling interface
Vertical encryption
Wireless transmission to municipal survey
Wireless collection terminal for power information
RS485
1-4#Grid connected cabinet electricity meter
network switch
Data acquisition and communication management machine (with the ability to conduct group surveys and control)
RS485
String inverterNBO1 string inverter NBO2
Series inverter NBO4
String inverter NBO
String inverter NBO5 string inverter NBO6
Series inverter NBO8
Series inverter NBO7
String inverter NBO9 string inverter NB10
String inverter NB11 String inverter NB12
RS485
Environmental monitoring device
RS485
SC-GP-IR4G
1 # Infrared Meter Reading
2 # Infrared Meter Reading
Infrared Meter Reading
LCL)
4 # Infrared Meter Reading
RS485
1 # Anti islanding device
2 # Anti islanding device
Anti islanding device # Anti islanding device
Line description
54.1 billion cables
Ethernet cable
High voltage grid connection diagram (if involving high voltage); All data of anti islanding protection device, fault disconnection device, and comprehensive measurement and control device;DC screen monitoring data
Appendix 1
Remote telemetry, remote signaling, remote control, and remote adjustment
Power on time system lockout status, full network power on control, active power regulation (actual value)
Shutdown time inverter on/off status full Gateway machine control reactive power regulation (actual value)
PV input voltage DI status full network power on/off control active power regulation (percentage)
PV input current active scheduling command abnormal PV shutdown reactive power regulation (power factor)
Abnormal DC input power reactive power dispatch command PV startup
Voltage and power regulation mode of power grid AB line
Active voltage regulation status of power grid BC line
Voltage and reactive power regulation status of power grid CA line
Active power control method for phase A voltage in the power grid
Identification of phase B voltage fault in the power grid
Abnormal identification of phase C voltage in the power grid
Abnormal cube of phase A current in the power grid
Address conflict of phase B current equipment in the power grid
Fault of C-phase current lightning arrester in power grid
Active power supply failure
Reactive power communication failure
Power factor license expires
Rated power main circuit breaker disconnected
Number of power grid frequency alarms
Inverter efficiency with high string voltage
Internal temperature DC arc fault
Accumulated power generation in reverse series connection
DC input total power group backflow
The current power generation statistics time string shows abnormal power
Current hourly power generation AFCI self-test failed
Short circuit of power grid phase line to PE for daily electricity generation
The power generation for the week was affected by a power outage in the grid
Undervoltage of power generation in the current month's power grid
Overvoltage of the power generation grid in the past
The previous day's electricity statistics showed that the grid voltage was unbalanced
The previous day's power generation exceeded the frequency limit of the power grid
The previous week's electricity statistics showed that the power grid was under frequency
The power generation in the previous week resulted in unstable grid frequency
The previous month's electricity statistics time output overcurrent
The DC component of the output current of the previous month's generated electricity was too large
Abnormal residual current in the previous year's electricity statistics time
Abnormal grounding of the power generation system in the previous year
Low insulation impedance for carbon dioxide emission reduction
The total voltage temperature of the busbar is too high
The maximum value of PV voltage is abnormal for the equipment
Upgrade of minimum PV voltage failed
PV negative to ground voltage average monitoring unit fault
PV ground voltage maximum value power collector fault
PV negative to ground voltage minimum value active islanding
Passive islanding with maximum active power regulation
Minimum instantaneous AC overvoltage for active power regulation
Maximum reactive power regulation, external device port short circuit
Reactive power regulation minimum value off grid output overload
Abnormal configuration of insulation impedance value battery board
Device SN standby
grid-connected
Normal grid connection
Power rationing and grid connection reduction
Self rated grid connection
Normal shutdown
Power restriction shutdown
inspection
Optimizer malfunction
The built-in PID is working abnormally
Input string to ground voltage high
Abnormal external fan
Off grid controller abnormality
String loss
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