Editing Modbus protokoll rs485 (section)

=== Modbus Rtu 4 ===

Specifications:

  *   RS485 communication interface
  *   TTL communication interface
  *   4 Input ( Switch to GND !!!! NO + UB !!! )
  *   4 Relay Output 
  *   2 user button
  *   A user LED
  *   A power indicator
  *   A STM32F030F4 microcontroller
  *   4 relay status indicators LED lights
  *   Power supply terminal interface (12V power supply)



[address 1 bzw. UID 0x01]<br>

Switch Single 

{| class="wikitable"
! colspan="8"| Hex Data !! colspan="1"| Funktion 
|-
| Adresse  || Funktion  || Reghigh || Reglow || Data 1 || Data 2 || CRChigh || CRClow || Funktion  
|-
| 01       || 05        ||   00   ||    00   ||    FF   ||   00     ||    8C  ||  3A  ||  0 relay ON
|-
| 01       || 05        ||   00   ||    00   ||    00   ||   00     ||    CD  ||  CA  ||  0 relay off   
|-
| 01       || 05        ||   00   ||    01   ||    FF   ||   00     ||    DD  ||  FA  ||  1 relay ON 
|-
| 01       || 05        ||   00   ||    01   ||    00   ||   00     ||    9C  ||  0A  ||  1 relay off
|-
| 01       || 05        ||   00   ||    02   ||    FF   ||   00     ||    xx ||  xx  ||  2 relay ON 
|-
| 01       || 05        ||   00   ||    02   ||    00   ||   00     ||    xx  ||  xx  ||  2 relay off
|-
| 01       || 05        ||   00   ||    03   ||    FF   ||   00     ||    xx  ||  xx  ||  3 relay ON 
|-
| 01       || 05        ||   00   ||    03   ||    00   ||   00     ||    xx  ||  xx ||  3 relay off
|-





|}


all Funktion 

{| class="wikitable"
! colspan="8"| Hex Data !! colspan="1"| Funktion 
|-
| Adresse  || Funktion  || Reghigh || Reglow || Data 1 || Data 2 || Data 3 || Data 4 || CRChigh || CRClow || Funktion  
|-
| 01       || 0F        ||   00   ||    00   ||    00  ||   08   ||    01  ||   00   ||  FE     || 95     || Full Relay off
|-
| 01       || 0F        ||   00   ||    00   ||    00  ||   08   ||    01  ||   FF   ||  BE     || D5     || Full Relay on
|-
|          ||           ||        ||         ||        ||        ||        ||        ||         ||        || 
|-
|  01      || 02        ||  00    ||   00    ||  00    ||  08    ||        ||        ||  79     || CC     || Send : Read all input switch status 
|-
|  01      || 02        ||  01    ||   00    ||        ||        ||        ||        ||  A1     || 88     || Return : 8 input states 
|-
|}

<br>

[https://hacktronics.co.in/4-channel-relay-module/4-channel-relay-module-programmable-w-opto-isolated-rs485-stm8s103f3 hacktronics.co.in/4-channel-relay-module]
<br>
[https://github.com/TG9541/stm8ef/wiki/Board-C0135 github Board-C0135]

[https://wiki.chaosdorf.de/images/1/14/Modbus_RTU_4_Way_Relay_Module.pdf Modbus_RTU_4_Way_Relay_Module.pdf]