AM140 – Modbus RTU to Analog Input

4 analog inputs selective of 4~20mA and 0~10V

Overview & DiagramSpecificationsInquiryDownload

Simple one page setup configuration tool

Demo video
Test and change Baud rate and change Device ID

4 Analog Inputs selective of 4~20mA and 0~10V by onboard jumper as following options

4~20mA x 4
4~20mA x 3 + 0~10V x 1
4~20mA x 2 + 0~10V x 2
4~20mA x 1 + 0~10V x 3
0~10V x 4

Hardware
CPU : 8-bit CPU
RAM : 64K bytes SRAM
ROM : 256K bytes Flash ROM

Analog Input
TI chipset 16 bits resolution
4 analog inputs selective from 4~20 mA and 0~10 V by onboard jumper settings
Sample rate : 5 times / second (4 inputs)
Notes
Word type : Unsigned Integer
Resolution : 16 bits
Wording order : High byte in the front, Low type in the back.
The correct value from analog input should be the obtained value divided by 1000. For example, if obtained value is 2000, the correct value should be 2000 divided by 1000 = 2.

Serial Port
RS485 x 1 Port ( Terminal Block )
Speed : 9600 bps ~ 115.2 Kbps
Parity : None
Data Bit : 8
Stop Bit : 1
Surge Protect

Support Modbus RTU
Watch Dog Function
Power : DC 9~24 V, 200mA @ 12VDC (support DC Jack & Terminal Block)
LED Lamp : AI-1, AI-2, AI-3, AI-4
Operating Temperature: -10 ~ +70 °C
Storage Temperature : -20 ~ +85 °C
Dimension : 90 x 60 x 20 mm ( W x D x H )
Weight : 140 g
Din-Rail and Panel mounting (optional)
Regulatory Approval : CE, FCC, RoHS
Warranty : 1 year

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    Downloads

    File Description File size
    zip Modbus RTU AI4 DIO22 Configuration Tool Configuration tool for Modbus RTU Analog Input x 4, DI x 2, DO x 2, May 6, 2020
    116 KB
    pdf Modbus RTU Protocol for 4AI High Resolution Modbus RTU Protocol for Analog Input x 4 High Resolution
    50 KB
    pdf Analog Input Pin assignments & Jumper Settings Analog input Pin assignments & Jumper Settings (4*Analog input)
    574 KB
    pdf Setup Guide for Control Analog Inputs via RS232 or RS485 Setup Guide for Control Analog Inputs via RS232 or RS485 by Modbus RTU protocol commands
    293 KB
    pdf AM140 Datasheet AM140 Datasheet - Modbus RTU Analog Inputs
    307 KB
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