3-way AC current acquisition module

Analog Input

Input Channels

3 current channels

Input Type

AC current input

Current Range (RMS)

Default 50A (customizable: 1A, 2A, 5A, 10A, 20A, 80A, 100A, 120A,

150A, 200A, 250A, 300A, 400A, 500A)

Customers must specify the range before shipment.

Output Parameters

RMS current

Signal Acquisition

Acquires standard AC grid signals with frequency not exceeding 65Hz

Sampling Rate

10 sps per channel

Resolution

16-bit

Acquisition Accuracy

2‰ Note: When the monitored current is below 100mA, measurement error increases due to increased current transformer ratio error.

Current Transformer

External current transformer, see section 1.6 for details

Isolation Voltage

3000V

Others

Communication Interface

RS485

Baud Rate

1200~115200 bps

Data Transmission RateNote 2

Max 180Hz (total channels per module, at 115200 bps)

Max 24Hz (total channels per module, at 9600 bps)

Max 3Hz (total channels per module, at 1200 bps)

Watchdog

Built-in watchdog

Power Supply Voltage

+10V to 30V DC

Power Protection

Reverse power protection

Power Consumption

Rated 0.75W @ 24V DC

Operating Temperature

-10℃ to +70℃

Storage Temperature

-20℃ to +85℃