Single-phase intelligent AC power acquisition module Modbus RTU protocol

Analog Input

Input Channels

1 AC current channel, 1 AC voltage channel

Input Type

Voltage input, current input

Voltage Range (RMS)

Default 400V RMS (customizable, up to 450V)

Current Range (RMS)

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

Temperature and Humidity Measurement

Onboard temperature and humidity sensor (only supported by T module)

Output Parameters

Phase voltage, phase current, active power, reactive power, apparent power, power factor, total energy,

humidity (only supported by T module), temperature (only supported by T module)

Note: Modules with the T suffix have the function of measuring ambient temperature and humidity,

see section 1.5 for comparison of different suffixes.

Signal Acquisition

Acquires standard AC grid signals with a maximum frequency of 65Hz

Sampling Rate

Once every 500ms

Resolution

16-bit

Acquisition Accuracy

2‰

Current Transformer

External current transformer, see section 1.6 for external transformer details

Energy

With energy storage function

Secondary Transformation

With secondary transformation function

Isolation Voltage

2500VRMS (surge protection voltage)

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

Software watchdog

Power Supply Voltage

+10V～30VDC

Power Protection

Reverse power protection