<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><div class="desc"><p data-we-empty-p="" style="text-align:center;"><b>DC 12V 16 Channel MODBUS RTU RS485 Relay Module Board PLC Controller Serial Port Switch</b><br/></p><div style="font:Arial;font-size:16px;"><p><br/></p>Features: <br/>1. Working voltage is  DC 12V. <br/>2. Standby current (all relays closed) is 11MA, 1 relay open 40MA, 2relays open 67MA, 3 relays open 95MA, 4 relays open 121MA, 5 relays open 147MA,6 relays open 173MA, 7 relays open 198MA, 8 relays open 222MA... <br/>3. 6 Commands: "Open", "close","Momentary", "Self-locking", "Interlock" and "Delay".<br/>4. MODBUS RTU command control mode, the maximum delay is 255 seconds. <br/>5. MODBUS commands can be made serial HyperTerminal (serial assistant) or"Modbus Poll" enter. <br/>6. Under the MODBUS command mode, this relay module can support up to64 devices in parallel. <br/>  <br/>Specification: <br/>Working Voltage:DC 12V <br/>Standby Current:11MA <br/>Max Load:10A/250VAC, 10A/125VAC, 10A/30VDC, 10A/28VDC, 10A/12VDC <br/>Size:Approx. 17*6.5*2cm / 6.7*2.5*0.8in <br/>Weight:Approx. 224g/7.9oz<br/>Typical applications:<br/>MODBUScommand mode (HEX), you can control a variety of ways:Serial Hyper Terminal Control (need to manually add the CRC), Modbus Pollsoftware control (software automatically add the CRC), PLC or MCU processcontrol.<br/>WIring DIagram:  <br/>1. DC12V control circuit,Wiring diagram below. "LOAD" may be camera,LEDlights, fans, motors and other DC 12V equipment.<br/>2. DC 1-100V or AC 85-265V control circuit,Wiring diagram below(Note:If not DC 12Vload, need another DC 12V power supply). "LOAD" may be LED lights,fans, motors Lights, fluorescent lights, solar water heaters and other DC ACequipment.<br/>  <br/>Package list: <br/>1 * 16Channel RS485 Relay <br/><p><br/></p></div><br/><p><br/><br/><br/><br/><br/><br/><br/><br/><br/></p></div></div></div>