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AMIOA08 DC12V/24V 8DI8DO RS485 MODBUS RTU PLC Module Isolated Digital I/O for Arduino Raspberry Pi Home Industrial Automation
AMIOA08 DC12V/24V 8DI8DO RS485 MODBUS RTU PLC Module Isolated Digital I/O for Arduino Raspberry Pi Home Industrial Automation
SKU:AMIOA08
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$24.99
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Product Name: DC 12V 24V 8DI-8DO RS485 Isolated Communication Digital Input and Output MODBUS RTU PLC Module
Package inlcuded:
1 PCS DC 12V 24V 8DI-8DO RS485 Digital Input & Output Module

1 Product description
8ch optoelectronic isolation digital input channel (NPN Low level input)
8ch optoelectronic isolation digital output channel (ULN2803 NPN output)
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 8 optically isolated input ports (NPN active low)
4 8 Darlington tube outputs (ULN2803 NPN output), the maximum load current of each channel is 300MA
5 RS485 communication isolation protection 3000VDC, DI digital input port isolation protection 3000VDC
6 Standard MODBUS RTU command (function code, 05/06/15/16 Write, 01/02/03 Read )
7 Baud rates: 1200 2400 4800 9600 (default) 19200 38400 57600 115200
8 Parity bits: None (default) /Even /Odd
9 Installation method Standard DIN rail installation
10 Dimensions 125×70×30mm
11 Weight: 114 grams
3 Interface definition:
VCC : Power input+
GND: Power input-
DO1: digital output channel 1
DO2: digital output channel 2
DO3: digital output channel 3
DO4: digital output channel 4
DO5: digital output channel 5
DO6: digital output channel 6
DO7: digital output channel 7
DO8: digital output channel 8
DI1 : Digital input channel 1
DI2 : Digital input channel 2
DI3 : Digital input channel 3
DI4 : Digital input channel 4
DI5 : Digital input channel 5
DI6 : Digital input channel 6
DI7 : Digital input channel 7
DI8 : Digital input channel 8
A+: RS485 signal A+
B-: RS485 signal B-
8ch optoelectronic isolation digital input channel (NPN Low level input)
8ch optoelectronic isolation digital output channel (ULN2803 NPN output)
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 8 optically isolated input ports (NPN active low)
4 8 Darlington tube outputs (ULN2803 NPN output), the maximum load current of each channel is 300MA
5 RS485 communication isolation protection 3000VDC, DI digital input port isolation protection 3000VDC
6 Standard MODBUS RTU command (function code, 05/06/15/16 Write, 01/02/03 Read )
7 Baud rates: 1200 2400 4800 9600 (default) 19200 38400 57600 115200
8 Parity bits: None (default) /Even /Odd
9 Installation method Standard DIN rail installation
10 Dimensions 125×70×30mm
11 Weight: 114 grams
3 Interface definition:
VCC : Power input+
GND: Power input-
DO1: digital output channel 1
DO2: digital output channel 2
DO3: digital output channel 3
DO4: digital output channel 4
DO5: digital output channel 5
DO6: digital output channel 6
DO7: digital output channel 7
DO8: digital output channel 8
DI1 : Digital input channel 1
DI2 : Digital input channel 2
DI3 : Digital input channel 3
DI4 : Digital input channel 4
DI5 : Digital input channel 5
DI6 : Digital input channel 6
DI7 : Digital input channel 7
DI8 : Digital input channel 8
A+: RS485 signal A+
B-: RS485 signal B-
For more information, please contact me
Application
PLC Output expansion board
Smart Home,Home Automation ,Wiser Home;
PTZ CCTV Camera
Security Monitoring
Identification system;
Motor FW & BW
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.
RS485 Networking Diagram
Modbus Rtu Register:
Smart Home,Home Automation ,Wiser Home;
PTZ CCTV Camera
Security Monitoring
Identification system;
Motor FW & BW
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.

RS485 Networking Diagram

Modbus Rtu Register:






