https://zhuanlan.zhihu.com/p/2001694878963359801
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
asIoTData Acquisitionsolution professional provider, industrial Data Acquisition expert (professional account), Shanghai DAQ-IoT technology editor daq iot would like to introduce the following content here and sincerely welcome everyone to discuss and exchange ideas.
As a professional internet of things data acquisition solutions provider, industrial data acquisition experts (professional households), digital internet of things editor daq-iot here to do the following introduction, and sincerely welcome everyone to discuss and exchange.
6a Energy saving Management Hardware, Smart Lighting Module a 6.1a Three phase Internal Control Typesmart electricity metera1、 Voltage input rated voltage: 3 × 220/380V
- Reference frequency: 50Hz
- Power consumption:<5VA (per phase)
- Current input: 1.5 (6) A, 10 (60) A
- Starting current directly connected: 0.004Ib, connected through transformer: 0.002In
- Power consumption:<4VA (maximum current)
- Measurement performance measurement accuracy level 1
- Clock accuracy error: ≤ 0.5/s/d
- Pulse width: 80ms ± 20ms
- Pulse constant: 6400 imp/kWh, 400 imp/kWh
- Communication interface: RS485 (A+, B -)
- Medium: shielded twisted pair cable
- Protocol: MODBUS-RTU, DL/T 645-07a unit A6.2a single-phase internal control smart meter A1, voltage input rated voltage: 220V
- Reference frequency: 50Hz
- Power consumption:<5VA (per phase)
- Current input: 10A
- Starting current directly connected: 0.004Ib, connected through transformer: 0.002In
- Power consumption:<4VA (maximum current)
- Measurement performance measurement accuracy level 1
- Clock accuracy error: ≤ 0.5/s/d
- Pulse width: 80ms ± 20ms
- Pulse constant: 1600imp/kWh
- Communication interface: RS485 (A+, B -)
- Medium: shielded twisted pair cable
- Protocol: MODBUS-RTU, DL/T 645-07a unit a6.3aSmart Water Metera1、 Measurement level 2.0 R80/R100, DN25 ≥ 6.3Q3 (m3/h)
- Environmental grade B or O Note 1
- Electromagnetic environment level E1 or E2
- Pressure loss ≤ 0.063 MPa
- Working pressure ≤ 1.6MPa
- Usage conditions: Cold water meter medium temperature: 0 ℃~40 ℃; Relative temperature<93%;
- Hot water meter medium temperature: 0 ℃~90 ℃; Relative temperature<93%;
- When the ambient temperature of the cold water meter is ≤ 0 ℃, insulation measures should be taken;
- Battery type and voltage: Lithium battery: 3.0V or 3.6V;
- Protection level IP68
- Pressure loss level △ p63
- Display digit 8: a 6.4a intelligent water meter a1. Measurement level 2.0: R80/R100, DN40 ≥ 16Q3 (m3/h)
- Environmental level B or O Note 1
- Electromagnetic environment level E1 or E2
- Pressure loss ≤ 0.063 MPa
- Working pressure ≤ 1.6MPa
- Usage conditions: Cold water meter medium temperature: 0 ℃~40 ℃; Relative temperature<93%;
- Medium temperature of hot water meter: 0 ℃~90 ℃; Relative temperature<93%; When the ambient temperature of the cold water meter is ≤ 0 ℃, insulation measures should be taken;
- Battery type and voltage: Lithium battery: 3.0V or 3.6V;
- Protection level IP68
- Pressure loss level △ p63
- Display digit 8-bit A, platform A6.5aGas meter image recognizerIntelligent recognition of user gas volume and uploading it to the platform in the form of data
- Characteristics of instrument photo collection Image format type: jpg Image Pixel: Supports up to 640 * 480 Collection frequency: 1 minute to 30 days, supports remote configuration Wake up mode: Interval wake-up; Timed wake-up; Alarm clock wake-up
- Electrical characteristics Power supply method: 3.6V long-life lithium battery power supply (non rechargeable) Battery capacity: 9000mAh Power consumption: current less than 200mA Standby current: less than 5uA
- Structural characteristics Material: PC plastic (shell) Main protection level: IP68 Water meter size: 135mm × 95mm × 55mm Meter size: 120mm × 110mm × 50mm Main installation method: Adhesive or narrow band clamp fastening, with 3M adhesive support for adhesive fixation installation, image recognition can open the outer cover, and the original meter numbers are displayed intuitively
- Working environment Environmental temperature -25 ° C~75 ° C, humidity 0~95% (non condensing), a set of A6.6A intelligent industrial control host A1, memory 16GB
- Applicable environment: working temperature 0 ℃~45 ℃, storage temperature -20 ℃~80 ℃
- CPU frequency 3.4GHz, CPU cache 3MB
- Support system Windows
- Display performance: Integrated graphics card
- Power performance: 300Wa per unit
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