Three-phase AC quantity and 1-channel temperature acquisition module

Analog Input

Input Channels

3 current channels, 3 voltage channels

Input Type

Voltage input, current input

Voltage Range (RMS)

Default 400V (customizable, up to 450V)

Current Range (RMS)

Default 100A (customizable: 5A, 10A, 20A, 80A, 100A, 150A, 200A)

DS18B20 Temperature Measurement

1 channel of DS18B20 temperature acquisition, supports up to 4 sensors

Output Parameters

Phase voltage, phase current, line voltage, active power, reactive power, apparent power, power factor,

Total energy, forward active energy, forward reactive energy, input frequency, total three-phase active power,

Total three-phase reactive power, total three-phase apparent power, total three-phase power factor, total three-phase forward active energy, total three-phase forward reactive energy, total three-phase power factor, 4-channel temperature values

Signal Acquisition

Acquires standard AC grid signals with a frequency not exceeding 65Hz

Sampling Rate

Voltage and current sampled every 400ms; power and energy sampled every 300ms

Resolution

16-bit

Acquisition Accuracy

2‰

Current Transformer

External current transformer, refer to section 1.6 for external transformer specifications

Energy

Equipped with energy storage function

Secondary Transformation

Equipped with secondary transformation function

Isolation Voltage

3000V

Others

Communication Interface

RS485

Baud Rate

1200~115200bps

Data Transmission Rate

Determined by baud rate and the number of data read. If reading all data at once,

it is recommended to read once per second at 9600 baud rate.

Watchdog

Built-in watchdog

Power Supply Voltage

+10V～30VDC

Power Protection

Reverse power protection

Power Consumption

Rated 0.75W @ 24VDC

Operating Temperature

-10℃～＋70℃

Storage Temperature

-20℃～＋85℃

Input Channels

3 current channels, 3 voltage channels