In order to provide better service, if you receive unsatisfactory products, please contact us as soon as possible, we will make timely remedial measures to your satisfaction.
Features:

1. Working voltage is DC 12V.

2. Standby current (all relays closed) is 11MA, 1 relay open 40MA, 2 relays 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...

3. 6 Commands: "Open", "close", "Momentary", "Self-locking", "Interlock" and "Delay".

4. MODBU RTU command control mode, the maximum delay is 255 seconds.

5. MODBU commands can be made serial HyperTerminal (serial assistant) or "Modbu Poll" enter.

6. Under the MODBU command mode, this relay module can support up to 64 devices in parallel.

Specification:

Working Voltage: DC 12V

Standby Current: 11MA

Max Load: 10A/250VAC, 10A/125VAC, 10A/30VDC, 10A/28VDC, 10A/12VDC

Size: Approx. 17*6.5*2cm / 6.7*2.5*0.8in

Weight: Approx. 224g/7.9oz

Typical applications:

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

WIring DIagram:

1. DC 12V control circuit,Wiring diagram below. "LOAD" may 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 load, need another DC 12V power supply). "LOAD" may be LED lights, fans, motors Lights, fluorescent lights, solar water heaters and other DC AC equipment.

Package list:

1 * 16 Channel RS485 Relay

Item Weight	1 g
Item Weight	1 Grams

YWH-WH RS485 Relay Module, DC 12V 16 Channel RTU RS485 Relay Module Board PLC Controller Serial Port Switch for R3 MEGA 2560 1280 DSPs ARM PIC AVR STM32 Raspberry Module

Description

Specifications

Common Questions