12V 4 Channel DTMF Tone Relay Decoder for Phone Remote Control PLC System

Unlock the potential of your projects with this advanced relay decoder, designed to offer flexibility and reliability. Here’s what makes it stand out:

• Working Voltage: Operates at a convenient DC 12V, making it easy to find compatible power sources.
• Reverse Polarity Protection: Designed with reverse polarity functionality to enhance durability and extend service life.
• Multiple Modes: Choose from 8 different modes including:
  • Non-locking (Momentary)
  • Self-locking (Toggle)
  • Inter-locking
  • Delay options: 5, 20, 60, 120, and 250 seconds
• Default Control Commands: Easily control up to four relays with default commands (1/2/3/4). For example:
  • Dial 1 to control Relay 1
  • Dial 2 for Relay 2
  • Dial 3 for Relay 3
  • Dial 4 for Relay 4
  Control commands can be customized for any combination of the bits (1-4). Refer to the command setting manual for more details.
• Operating Current: Efficient power consumption with standby at 11-13 mA. Current usage increases with the number of relays activated:
  • 1 relay \"open\": 44 mA
  • 2 relays \"open\": 77 mA
  • 3 relays \"open\": 110 mA
  • 4 relays \"open\": 140 mA

This relay decoder is perfect for various applications, providing you with the control and flexibility you need for your electronic