News: 3A Mini Size & Low Noise 5V 12V 24V RS485 Relay Board Modbus Rtu Remote IO 110V 120V 220V Small Electronic Switch R4ROM01

R4ROM01 is a mini single channel RS485 relay developed and produced by eletechsup. Compared with similar products, it has a very small size and low noise relay, which is very suitable for embedding into equipment.



Description:



1: Working voltage DC 5V/12V/24V(Three voltage versions);

2: Standby current (relays closed) 5.5MA, relay open 25MA

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 Mini Size : 40*16*14MM

11 Ultra-light Weight : 9g

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



Note:Resistive load within 3A or inductive load within 1A



Application



PC Computer remote control

Small size electronic switch

PLC Output expansion board

Smart Home,Home Automation ;

PTZ CCTV IP Camera

Security Monitoring

Identification system;

Mini Motor Control

Automatic curtain control

LED Control



Please refer to the MODBUS RTU protocol manual:

''R4ROM01 MODBUS RTU Commamd''