Features:
1. Operating voltage is DC 12V.
2. Standby current (all relays) is 11MA, 1 open relay 40MA, 2 open relays 67MA, 3 open relays 95MA, 4 open relays 121MA, 5 open relays 147MA, 6 open relays 173MA, 7 open relays 198MA, 8 open relays 222MA...
3. 6 commands: "Open", "Close", "Momentary", "Autolock", "Interlock" and "Delay".
4. MODBUS RTU command control mode, maximum delay is 255 seconds.
5. MODBUS commands can be done in HyperTerminal series (serial assistant) or enter "Modbus Poll".
6. In MODBUS command mode, this relay module can support up to 64 devices in parallel.
Specifications:
Operating voltage: DC 12 V
Standby current: 11MA
Maximum load: 10A / 250VAC, 10A / 125VAC, 10A / 30VDC, 10A / 28VDC, 10A / 12VDC
Size: Approx. 17 x 6.5 x 2 cm / 6.7 x 2.5 x 0.8 inches
Weight: Approx. 224 g / 7.9 ounces

Typical applications:

MODBUS command mode (HEX), you can control a variety of ways: Serial Hyper Terminal Control (you need to manually add CRC), Modbus Poll software control (software automatically adds CRC), PLC process or MCU control.

Wiring diagram:
1. DC 12V control circuit, wiring diagram below. "LOAD" can be camera, LED lights, fans, motors and other DC 12V equipment.
2. DC 1-100V or AC 85-265V control circuit, wiring diagram below (Note: if not DC 12V charge, you need another DC 12V power supply). "LOAD" can be LED lights, fans, motors lights, fluorescent lights, solar water heaters and other DC AC equipment.
Package list:
1 x 16 RS485 Channel Relay