DC 5V RS485 RS232 (TTL) RTU Control Module UART Relay S

Feature:

• 
  Support for: MODBUS and AT command, two command control modes
  
• 
  The maximum delay is 9999 seconds under the AT command, and the maximum delay is 255 seconds for MODBUS command.
  
• 
  The AT command can be input by the serial port super terminal (serial port assistant).
  
• 
  Up to 247 devices can be supported for parallel use for MODBUS command mode.
  
• 
  With RS485 and RS232 (TTL) dual bus interface.
  
• 
  Output control pin 8, 5V TTL level, low level (default) / high level output.
  

Specification:

Working voltage: DC 5V

Working current: 10-15mA

Size: 45*30*15

Weight: 12g



Package list:

1 * Module



Note:

The actual product color may deviate from the photo due to light.

There may be a slight deviation in the measurement of product.