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2 Channel RS485 Relay Board UART Serial Port Switch Module Modbus Remote Control for PLC Smart Home
New
R457.00
Closed
11 May 24 00:05
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Product details
Condition
New
Location
International
Bob Shop ID
612372838
Description:? ? - Power Supply: DC 12V? - Standby current (all relays closed) 7-8mA, 1 relay open 40mA, 2 relays open 73mA. -? open close? Momentary Self-locking Interlock Delay 6 Commands - Two instruction-control mode : AT command and MODBUS command -? Under the AT command ,the maximum delay is 9999 seconds,Under the MODBUS command ,the maximum delay is 255 seconds - AT commands can be made serial HyperTerminal (serial assistant) Enter;MODBUS commands can be made serial HyperTerminal (serial assistant)? OR Modbus Poll Enter; - Under the MODBUS command mode, it can support up to 32 devices in parallel. - Maximum load: 10A / 250VAC, 10A / 125VAC, 10A / 30VDC, 10A / 28VDC, 10A / 12VDC. - Size: 79 x 47.5 x 19.5mm ? Application: ? Automated industry PLC; Smart Home,Home Automation ,Wiser Home; Identification system; Motor FW & BW. ? Typical Applications: ? 1. AT command mode (A5 = OFF), in this mode can be through the serial HyperTerminal (serial assistant) enter a simple AT command control relay. AT command mode time up to 9999 seconds?
? ? 2. MODBUS command mode (A5 = ON), you can control a variety of ways: Serial Hyper Terminal Control (need to manually add the CRC), Modbus 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 12V motor reversing control, Wiring diagram below. LOAD can be Fans,?motors, pumps and other DC 12V equipment
? ? ? ? 3. DC 1-48V 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 equipmen 
4. DC 1-48V OR AC 85-265V control circuit,Wiring diagram below(Note:If not DC 12V load, need another DC 12V power supply). LOAD may be Machine tool ,CNC,3D Printer,LED lights, fans, motors and other DC AC equipment
? Serial HyperTerminal:
Modbus Poll 
Package Included:
1 x?2 Channel RS485 Relay Board UART Serial Port Switch Module ?
