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Description
ESP01 ESP8266 Remote Relay ModBus TCP 1 Way Digital Input Ethernet Relay Switch Module DIY WIFI Relay
Product Description
Control the pull-in and release of 1 relay through WIFI (ModBus TCP protocol), support 1-255 seconds delay, jog, and 1 digital input (optocoupler isolation). The module supports ModBus TCP 01, 02, 03, 05, 06, 15 and 16 commands, and can flexibly choose different commands to access the status of relays and inputs. Provide a WIFI configuration tool to modify the module address, WIFI network and other parameters, with the source code of the configuration tool (implemented by DLL call). Part of the instruction (by default setting id = 1): Relay pull-in – 00 00 00 00 00 09 01 10 00 00 00 01 02 01 00 Relay release-00 00 00 00 00 09 01 10 00 00 00 01 02 00 00 Relay jog – 00 00 00 00 00 09 01 10 00 00 00 01 02 02 00
Feature
Use ESP8266 wireless module (model ESP-01), WIFI AP / Station mode, AP mode can set password ModBus TCP protocol supports 01, 02, 03, 05, 06, 15 and 16 commands, which can be used flexibly Modify module address, WIFI network and other parameters through WIFI, with configuration tool source code (implemented by DLL call) 1 digital input, with optocoupler isolation With status indicator, relay pull-in indicator 1.6mm thick PCB is made of military grade FR-4 board, PCB size 78mm X 46mm, reserved mounting holes, optional shell If you need high-voltage power supply (9V, 12V, 24V), please replace the corresponding voltage relay Support ModBus Poll Support ModScan software
Specification
Power requirement
5V, positive and negative inside
Power supply method
3 AA batteries, USB port for power, mobile phone charger, mobile power
