485 Acquisition Module with 6 AI Channels and 6 Open-Collector Outputs

Analog Input

Input Channels

6 single-ended analog inputs

Input Type

Voltage input / Current input

Measurement Range

0~5V, 1~5V, 0~2.5V, 0~20mA, 4~20mA

Default factory setting: 4~20mA

Sampling RateNote 1

200 sps (all channels)

200 sps (single channel)

Resolution

12-bit

Accuracy

1‰ Note 2

Input Impedance

Voltage range: 10MΩ  Current range: 249Ω

Range Configuration

Each channel can be independently configured

Digital Output

Output Channels

6 digital outputs

Output Type

Open-collector output

Logic Level

Logic 0: Off

Logic 1: On

Upper/Lower Limit Alarm Output

Analog input channels 0~5 correspond to digital output channels 0~5

Others

Communication Interface

RS485

Isolation Voltage

1500 VDC

RS485 Transmission RateNote 3

Max 180 times/sec (all channels of a single module, at 115200 bps)

Max 24 times/sec (all channels of a single module, at 9600 bps)

Max 3 times/sec (all channels of a single module, at 1200 bps)

Baud Rate

1200~115200 bps

Watchdog

Software watchdog

Power Supply Voltage

+12~30 VDC

Power Protection

Reverse power protection

Power Consumption

Rated 0.5W @ 24 VDC

Operating Temperature

-10℃ to +70℃

Storage Temperature

-20℃ to +85℃