Online only

Modbus Rtu 8-Way Relay Output 8-Way Input Switch TTL / RS485 Interface Communication

8IO-RS485-RELAY-CONTROL

New product

1 Item

Warning: Last items in stock!

share

By buying this product you can collect up to 155 loyalty points. Your cart will total 155 points that can be converted into a voucher of ₹ 15.50.


₹ 1,550.00 tax excl.

Add to wishlist

More info

Note: Does not comes with acrylic box.

Hardware Resources:

  • RS485 communication interface
  • TTL communication interface
  • 8 optocoupler isolation input
  • 8 optocoupler isolated output
  • A reset button
  • A user button
  • A user LED
  • A power indicator
  • A STM8S103K microcontroller
  • 8 relay status indicators LED lights
  • DC power socket (12V power supply)
  • Power supply terminal interface (12V power supply)
  • Size: 143mm * 67mm

Modbus RTU Instructions:

Baud rate: 9600 8 NONE 1

Hexadecimal send 
hexadecimal receive

Operation steps:  
1. Software settings communication baud rate 
2. Set the address (communication using the device address, the default address is 01) 
                                                          
/ ********************** ********************************************* / 
Set the address to: 09 
01 10 00 00 00 01 02 00 09 66 56 // Address 01 Modified to 09 
Set Address: 01 
01 10 00 00 00 01 02 00 01 66 56 // Modified to 01


Read address 
00 03 00 00 00 01 85 db 
return: 
00 03 02 00 01 44 44 // 01 for address

/ ************************************************* ****************** / 
/ ****************************** ************************************* / 
Meaning of each byte: 
[address 1] 
// -------------------------------------------- 
No. 1 relay is on : 01 05 00 01 01 00 9d 9a

Byte 1: address 
byte 2: function 
byte 3 4: register address 
byte 5 6: register data 
byte 7 8: CRC check

// ================================================ ============== 
[Address 1] 
// ----------------------------- --------------- 
0 relay ON: 01 05 00 00 FF 00 8C 3A 
0 relay off: 01 05 00 00 00 00 CD CA 
// ------- ------------------------------------- 
No. 1 relay ON: 01 05 00 01 FF 00 DD FA  
No. 1 relay off: 01 05 00 01 00 00 9C 0A  
// ----------------------------------- -------- 
No. 2 relay open: 01 05 00 02 FF 00 2D FA 
No. 2 relay off: 01 05 00 02 00 00 6C 0A  
// ----------------------------- 
Relay No. 3 On: 01 05 00 03 FF 00 7C 3A 
No. 3 Relay Off: 01 05 00 03 00 00 3D CA 
// ------------------------------------------- 
No. 4 relay on: 01 05 00 04 FF 00 CD FB 
4 relay off: 01 05 00 04 00 00 8C 0B
// -------------------------------------------- 
No. 5 relay is on : 01 05 00 05 FF 00 9C 3B 
No. 5 relay off: 01 05 00 05 00 00 DD CB  
// -------------------------- ----------------- 
No. 6 Relay On: 01 05 00 06 FF 00 6C 3B 
No. 6 Relay Closed: 01 05 00 06 00 00 2D CB  
// ----- -------------------------------------- 
7 relay on: 01 05 00 07 FF 00 3D FB 
7 relay off: 01 05 00 07 00 00 7C 0B 
// ---------------------------------- ---------

// ================================================ ====================== 
all off: 01 0F 00 00 00 08 01 00 FE 95 
all bright: 01 0F 00 00 00 08 01 FF BE D5

/ ************************************************* ********************* /

/ ************************************************* ******************** / 
Read all interface input status 
Send: 01 02 00 00 00 08 79 CC // Read 8 input states 
Return: 01 02 01 00 A1 88

5 other products in the same category:

* Local stocks, Lightning 

fast delivery

*

Every time you shop - no minimum order value.

View details