8-Channel AC Current Acquisition Module

Analog Input

Input Channels

8 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 need to specify the range before shipment.

Output Parameters

RMS current

Acquisition Signal

The acquisition signal is a standard AC grid signal with a frequency not exceeding 65Hz.

Sampling Rate Note 1

10 sps per channel

Resolution

16-bit

Acquisition Accuracy

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

Current Transformer

External current transformer, see section 1.6 for external transformer description.

Isolation Voltage

3000V

Others

Communication Interface

RS485

Baud Rate

1200~115200 bps

Data Transmission Rate Note 2

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

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

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

Watchdog

Built-in watchdog

Power Supply Voltage

+10V～30V DC

Power Protection

Reverse power protection

Power Consumption

Rated 0.75W @ 24V DC

Operating Temperature

-10℃～＋70℃