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R421A08 8 Channel DC 12V RS485 Relay Module Modbus RTU 485 Remote Control Switch for PLC PTZ Camera Security Monitoring

SKU:R421A08

9521 in stock

$15.99

~~$15.99~~ $15.99

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Product Name:8 CH DC 12V RS485 Relay Module Modbus RTU 485 Remote Control Switch For PLC PTZ Camera

Package inlcuded:

1 x DC 12V 8Ch RS485 Modbus RTU Relay Board

Description:

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

2: Standby current (all relays closed) 12MA, 1 relay open 40MA, 2 relays open 67MA, 3 relays open 95MA,4 relays open 121MA,5 relays open 147MA,6 relays open 173MA, 7 relays open 198MA,8 relays open 223MA

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

4: MODBUS RTU command

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 Size: 90 * 62 * 19.5mm

9 Weight: 115 g

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

For more information, please contact me

Application

Automated industry PLC

Smart Home,Home Automation ,Wiser Home;

PTC Camera

Security Monitoring

Identification system;

Motor FW & BW

Typical applications:

MODBUS RTU command mode (HEX), 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 1-110V 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