We have here a very impressive product with countless of features that you will surely need! AT command mode (A5 = OFF), in this mode can be through the serial hyperterminal (serial assistant) enter a simple AT command control relay. And you can control a variety of ways through MODBUS command mode (A5 = ON): serial hyper terminal control (need to manually add the CRC), modbus poll software control (software automatically add the CRC), PLC or MCU process control. What more could you ask for? Do not hesitate to ask us for our recommendation to ensure the best possible feature and function that will work out for you!
Features:
4 channels relay.
Two instruction-control modes: AT command and MODBUS command.
AT command can be made serial hypeterminal (serial assistant) enter, MODBUS command can be made serial hyperterminal (serial assistant) or "modbus poll" enter.
6 commands: "open" "close" "momentary" "self-locking" "interlock" "delay".
Under the MODBUS command mode, it can support up to 32 devices in parallel.
Specifications:
Supply voltage: DC 12V
Operating temperature: -20-80℃
Channels: 4
Maximum load: 10A / 250V AC, 10A / 125V AC, 10A / 30V DC, 10A / 28V DC, 10A / 12V DC
Item size: 80 * 47 * 19.5mm / 3.15 * 1.85 * 0.77in
Package size: 80 * 47 * 19.5mm / 3.15 * 1.85 * 0.77in
Item weight: 75g / 2.65oz
Package weight: 78g / 2.75oz
Package lists:
1 * 16 Channel DTMF decoder module
1 * Male to male audio wire(3.5mm jack)