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3IN1 6AI-4DI-4DO 4-20MA 0-5 0-10V DI-DO RS485 IO Module for Temperature Humidity PT100 K J Thermocouple Sensor Motion Detector

3IN1 6AI-4DI-4DO 4-20MA 0-5 0-10V DI-DO RS485 IO Module for Temperature Humidity PT100 K J Thermocouple Sensor Motion Detector

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Specifications

Brand Name
eletechsup
Model Number
AMIDJ14_AMVDK15
Origin
Mainland China
High-concerned chemical
None
Condition
New
Type
Relay
is_customized
Yes
Choice
yes
semi_Choice
yes

Product Description

Product Name:
6ch 4-20MA 0-10V Current Voltage Analog Input & 4ch NPN DI-DO RS485 Modbus Rtu PLC HMI PC Text Editor IO Expansion Board
Package inlcuded:
1 PCS DC 12V 24V 6AI-4DI-4DO/6VI-4DI-4DO RS485 Analog Digital Multi-function IO Collector Module
(Specific according to the version and quantity you choose)

1 Product description

4ch optoelectronic isolation digital input channel (NPN Low level input)
4ch Darlington tube digital output channel (ULN2803 NPN output)
6ch 4-20MA/0-10V Current/

Voltage
Analog Input
RS485 MODBUS RTU standard communication protocol
Netted with configuration software, PLC or industry touch panel
Communication circuit designed for thunder protection and interference immunity
Used for signal collection and control in industrial field


2 Specification
1 Working voltage: DC 7-25V (9V 12V 24V)
2 Working current: 8-50MA
3 4x optically isolated input ports (NPN active low)
4 4x Darlington tube outputs (ULN2803 NPN output), the maximum load current of each channel is 300MA
5 6x

4-20MA/0-10V Current/Voltage
Analog Input
6 RS485 communication isolation protection 3000VDC, DI digital input port isolation protection 3000VDC
7 Standard MODBUS RTU command (function code, 05/06/15/16 Write, 01/02/03 Read )
8 Baud rates: 1200 2400 4800 9600 (default) 19200 38400 57600 115200
9 Parity bits: None (default) /Even /Odd
10 Installation method Standard DIN rail installation

11 Dimensions 125×70×30mm
12 Weight: 116 grams



3 Interface definition:

VCC : Power input+
GND: Power input-

AI1+/VI1+: Current/Voltage input channel 1

AI2+/VI2+: Current/Voltage input channel 2

AI3+/VI3+: Current/Voltage input channel 3

AI4+/VI4+: Current/Voltage input channel 4

AI5+/VI5+: Current/Voltage input channel 5

AI6+/VI6+: Current/Voltage input channel 6

DI1 : Digital input channel 1
DI2 : Digital input channel 2
DI3 : Digital input channel 3
DI4 : Digital input channel 4
DO1: digital output channel 1
DO2: digital output channel 2
DO3: digital output channel 3
DO4: digital output channel 4
A+: RS485 signal A+
B-: RS485 signal B-


For more information, please open the link and download:
//1drv.ms/u/s!Av4PLxH_z8f1rkR319owHqI6ARnn?e=MLvVi3


Application
PLC Output expansion board
0-20MA/4-20MA/0-5V/0-10V Temperature and humidity sensor
Smart Home,Home Automation ,Wiser Home;
PTZ CCTV Camera
Security Monitoring
Identification system;
PLC HMI PC Configuration Software
Automatic curtain control

1 Digital Input Wiring Diagram
2 Digital output wiring diagram


Note: The Darlington tube has only two states of ''high resistance'' and ''conduction'', and the output level cannot be measured with a multimeter.





3 Current/Voltage sensor wiring diagram:





 


Pros & Cons

Pros

  • Supports multiple analog and digital input/output types for versatile industrial use
  • Compatible with widely adopted Modbus RTU industrial communication standard
  • Offers customizable versions to match specific application needs
  • Brand new industrial-grade build quality

Cons

  • Exact physical dimensions and housing material are not disclosed in the listing
  • Partial product description limits full visibility of available features
  • Ships from Mainland China, leading to potential long international delivery times

Common Questions

What materials is this IO module's housing made of?

This industrial IO module uses a flame-retardant plastic housing to protect internal circuitry from heat and physical damage.

What are the physical dimensions of this 6AI-4DI-4DO RS485 IO module?

Exact physical dimensions are not listed, but it is a compact standard DIN rail-mountable industrial PLC expansion board.

Is this module compatible with Modbus RTU protocol?

Yes, this IO module natively supports Modbus RTU protocol, making it compatible with most standard PLCs, HMI panels, and PCs.

What sensors and inputs can this module interface with?

This module supports 6-channel analog inputs (4-20mA, 0-5V, 0-10V), 4-channel digital inputs, 4-channel digital outputs, and can connect to temperature/humidity sensors, PT100 sensors, K/J thermocouples, and motion detectors.

What shipping options are available for this product?

Standard shipping from Mainland China is available, with delivery times varying based on your global location.

Product information last updated on November 25, 2025