1-2CH 3A RS485 UART Relay Module – DC 12V/24V Serial Port Switch with Modbus RTU for PLC Arduino Smart Home

Description:


N4ROA01 One Channel Version:


1: Working voltage DC 12V/24V;


2: Standby current (relays closed) 6MA, relay open 24MA


3: ''Open'' ''Close'' ''Momentary'' ''Self-locking'' ''Interlock'' ''Delay'' 6 Commands


4: MODBUS RTU Command, Write 05/06/15/16, Read 01/03


5: Under the ''Delay'' command ,the maximum delay is 255 seconds;


6 MODBUS commands can be made serial HyperTerminal (serial assistant) OR ''Modbus Poll'' Enter;


7 Under the MODBUS command mode, it can support up to 64 devices in parallel


8 Baud_rate : 1200/2400/4800/9600(Default)/19200/38400/57600/115200BPS


9 Parity :None(Default)/Even/Odd


10 Size : 40*27*14MM


11 Weight : 11g


12 Maximum load: 3A/250VAC ,3A /30VDC




N4ROB02 Dual Channel Version:

1: Working voltage DC 12V/24V;
2: Standby current (all relays closed) 6MA, 1 relay open 24MA,
2 relay open 42MA

3: ''Open'' ''Close'' ''Momentary'' ''Self-locking'' ''Interlock'' ''Delay'' ''Open all'' ''Close all''8 Commands
4: MODBUS RTU command, Write 05/06/15/16, Read 01/03
5: Under the ''Delay'' command ,the maximum delay is 255 seconds;
6 MODBUS commands can be made serial HyperTerminal (serial assistant) OR ''Modbus Poll'' Enter;
7 Under the MODBUS command mode, it can support up to 64 devices in parallel
8 Baud_rate : 1200/2400/4800/9600(Default)/19200/38400/57600/115200BPS
9 Parity :None(Default)/Even/Odd
10 Size : 54*26*14MM
11 Weight : 17g
12 Maximum load: 3A/250VAC ,3A /30VDC(Resistive load within 3A or inductive load within 1A)

For more information, please contact me




Application

PLC Output expansion board

Smart Home,Home Automation ,Wiser Home;

PTZ CCTV Camera

Security Monitoring

Identification system;

Mini Motor FW & BW

Automatic curtain control

LED Control