4 Channel DC 12V RS485 Relay Module Modbus RTU & AT Command Remote Control Switch for PLC PTZ Camera Security Monitoring

4 Channel DC 12V RS485 Relay Module Modbus RTU & AT Command Remote Control Switch for PLC PTZ Camera Security Monitoring

$44.28

$44.28 $0.00

Description

SPECIFICATIONS

Application: Computer

Brand Name: eletechsup

Bus Interface: RS-485

Channels: 4

Choice: yes

Condition: New

Dissipation Power: 1W

High-concerned chemical: none

Operating Temperature: -20-80

Operating Voltage: DC 12V

Origin: Mainland China

Standby current: 12MA

Supply Voltage: DC 12V

Type: Drive IC

is_customized: Yes

semi_Choice: yes

Product Name:
4 Channel DC 12V RS485 Relay Module Modbus RTU & AT Command Remote Control Switch for PLC PTZ Camera Security Monitoring

Package inlcuded:

1 PCSDC 12V 4Ch RS485 Modbus & AT command Relay Board

Description:

1: DC 12V power supply (voltage range 9-13V )

2: Standby current (all relays closed) 11-13MA, 1 relay open 44MA, 2 relays open 77MA, 3 relays open 110MA,4 relays open 140MA

3: ;open; ;close; ;Momentary; ;Self-locking; ;Interlock; ;Delay; 6 Commands

4: Two instruction-control mode : AT command and MODBUS command

5: Under the AT command ,the maximum delay is 9999 seconds

Under the MODBUS command ,the maximum delay is 255 seconds

6 AT commands can be made serial HyperTerminal (serial assistant) Enter;

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

7 Under the MODBUS command mode, it can support up to 32 devices in parallel

8 Size: 80 * 47 * 19.5mm

9 Weight: 57g

10 Maximum load: 10A / 250VAC, 10A / 125VAC, 10A / 30VDC, 10A / 28VDC, 10A / 12VDC

the new version adds the Read Status command (command 03)

For more information, please open the link and download:

https://1drv.ms/u/s!AjrAGEbCBLlsvjp11Y08MCI-9JVe?e=OGRWdY

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 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 equipmen

3 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 Machine tool ,CNC,3D Printer,LED lights, fans, motors and other DC AC equipment