2 Channel RS485 Relay Board UART Serial Port Switch Module Modbus Remote Control for PLC Smart Home
New
Shipping
Standard courier shipping from R30
R30 Standard shipping using one of our trusted couriers applies to most areas in South Africa. Some areas may attract a R30 surcharge. This will be calculated at checkout if applicable.
Check my rate
Check my rate
Ready to ship in
The seller has indicated that they will usually have this item
ready to ship within 15 business days. Shipping time depends on your delivery address. The most
accurate delivery time will be calculated at checkout, but in
general, the following shipping times apply:
Standard Delivery
| Main centres: | 1-3 business days |
| Regional areas: | 3-4 business days |
| Remote areas: | 3-5 business days |
Buyer Protection
How you're covered
Get it now, pay later
Returns
Product information
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 ?
