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Specifications
- Brand Name: Dmyond
- Certification: CE
- Origin: CN(Origin)
- Theory: Voltage Relay
- is_customized: Yes
- Contact Load: Low Power
- Voltage: 12V
- Model Number: Modbus RTU 7-24V relay module
- Protect Feature: Sealed
- Power Source: DC
- Usage: Protective
Modbus RTU 7-24V Relay Module RS485/TTL Anti-reverse 1/2 Channel 485 Switch Input 1 2 Way Optical Coupler 12V Output for Arduino
2.51
–
4.40
$
4
orders
/
1
reviews
Price history
- for 3 month
- for half a year
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Customer Reviews
J***n
January 9, 2021
Thanks!
The default address of this module is 255. That is not standard modbus and many tools (like libmodbus for Linux, and all tools that use this library), cannot address above 247. With some python library called MimimalModbus, I managed to change the address to something useful. Unfortunately, in a modbus RS485 network of 5 RTU's the modules where very unreliable. Many communication errors. Not useable for me.