LAN Ethernet 2 channel Relay Board Delay Switch TCP/UDP Controller Module WEB Server

$20.40
Specification : -
Supplier Type : Original manufacturer
Quantity
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Description
Product Description

LAN Ethernet 2 channel Relay Board Delay Switch TCP/UDP Controller Module WEB Server

 

Note: This product does not come with a case and has normally open and normally closed contacts

 

5 reasons to choose SR-201 series iot modules:

1. Industrial-grade STC microcontroller +ENC28J60+ stable firmware supports 6 network connections in TCP server mode, and also provides UDP control mode to achieve cloud remote control function
2, the control instructions are very simple, string mode send 11 open the first relay, send 21 close the first relay, 11* command the first relay click, 11K command simulate the first local button (only for the local button model), 11:10 open the first 10 seconds automatically closed (delay support 1-65535 seconds); Send 00 to return all channel status
3, fully support secondary development, local connection, cloud remote control, PC and mobile phone have demonstration programs and source code, provide module configuration program, timing program DLL packaging, easy to integrate various configuration functions
4, the hardware is extensible, the pin on the module can be connected to real clock, 485, Bluetooth, 2.4G...
5, 8-bit reduced instruction system has powerful functions, low development cost, and functional customization has a price advantage
 
Power requirements: DC5-24V
Power supply method: 3 No. 5 batteries
The USB port is used to obtain power
Mobile phone charger
Mobile power supply

PCB size: 70mm long X 50mm wide
 
Control the pulling and releasing of 2-way relays through Ethernet and internet, and extend the relay module to 8-way output from the pin row. The module also supports TCP, UDP, cloud remote control 3 modes of operation, the instruction is simple to understand, the instruction can specify 1-65535 seconds delay. The cloud remote control public service platform is permanently free to use, the control is protected by local password, and the operation is safe and reliable. The module is equipped with VB, Delphi host computer program and source code to help you easily achieve remote control of the computer. TCP and cloud remote control can query the status of all relays, in addition, after each instruction is completed, the module will return the current status of all relays. There are no status queries or other returns in UDP mode, and the code is extremely simple and easy to embed in various applications.
 
Fully support secondary development, open TCP, UDP control protocols, cloud remote secondary development kit provides SOAP Web Service API interface and RESTful Web Service API interface.
 

 

 Module features:
*industrial STC single chip microcomputer as the main control chip

* Onboard 2 high quality relays with absorbent diode circuit

*There is one power indicator, and each relay has a status indicator. If the indicator is on, the relay is plugged in

*6 TTL outputs, and the relay module can be extended to reach 8 outputs. Note: The relay module should be active at high level

* You can configure module parameters, such as the module IP address and default gateway, over the network

* Maintain relay status before power failure (configurable)

*Controlled through the internet, cloud remote control is protected by local password, safe and reliable

* Automatically synchronizes network time (NTP). You can set 32 timing points. The error of the timer is less than 1 second

*Flexible timing Settings can be executed once, or on an annual, monthly, daily, weekly, hourly, minute-per-second cycle

*Supports Modbus TCP

* Support 5-24V input voltage, choose one of two power terminals

*1.6mm thick PCB made of military grade FR-4 plate, PCB size 70mm X 50mm, reserved mounting holes