AMIDJ14 / AMVDK15 RS485 Relay & Sensor Interface Module – PT100 K-Type Temperature Humidity Control for HVAC/R

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/VoltageAnalog 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-

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: