Product Name: Ultra-thin Safety Barrier RS485 IO Module 8DI-8DO RS485 Digital NPN Input Output MODBUS RTU for Relay PLC Industrial Equipment

 Package inlcuded:

1 PCS DC 12V 24V 8DI-8DO Safety Barrier 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 Size : 125×110×22mm

11 Weight: 130 grams




3 Interface definition:




Vi : Power input+
G: Power input-
Vo: =Vi
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
Relay Solenoid valve






1 NPN Digital Input Wiring Diagram
2 NPN 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: