Modbus 8 Way WIFI Relay 485 Relay Cascade 8 CH Network Relay Cloud Remote Control

$21.48
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Description
Product Description

Mod-Bus 8 Way WIFI Relay 485 Relay Cascade 8 CH Network Relay Cloud Remote Control

Power requirements: DC9-24V, positive on the inside and negative on the outside

PCB size

 

122mm X 86mm

 

 

Module features:

 

 *uses the standard 8266 ESP-01 module without updating the 8266 firmware; WIFI AP/Station mode; In AP mode, you can set a password or disable it


*ModBus TCP supports commands 01, 02, 03, 05, 06, 15, and 16


*485 cascading, supports ModBus TCP/RTU protocol conversion and transparent transmission from WIFI to 485 interface


* Modify module address, WIFI network and other parameters through WIFI, jumper lock module configuration to prevent mismatching, with configuration tool source code (through DLL call)


*The 8-way local button can be configured in self-locking, follow, click, or digital capture mode


*Industrial grade chip with lightning protection circuit


* Onboard 8 relays with absorption diode circuit, each with LED indicator light, on relay suction


*With the 1 channel status indicator and 485 communication indicator


* Support cloud remote control, wechat control


*1.6mm thick PCB is made of military grade FR-4 plate, the PCB size is 122mm X 86mm, and the installation hole is reserved

Function description:

 

Through WIFI (ModBus TCP protocol) and 485 (Modbus RTU protocol) control of 8 relays, support 1-255 seconds delay, click, 8 local buttons can be configured to self-lock, follow, click or digital acquisition mode. Provides the Modbus TCP/RTU gateway function, and the 485 interface can be cascaded to other ModBus RTU modules. The module supports ModBus TCP 01, 02, 03, 05, 06, 15 and 16 commands, and can flexibly select different commands to access the status of relays and inputs. In cascading mode, the module supports ModBus TCP/RTU protocol conversion and transparent transmission from WIFI to 485 interface. The WIFI configuration tool can be used to modify the module address, WIFI network and other parameters, and the jumper can be used to lock the module configuration to prevent mismatching, with the configuration tool source code (implemented via DLL calls). Free WIFI relay module +485 relay module centralized control software. Support cloud remote control, wechat control please pay attention to the public number "cloud remote control".


The SR-311-WIFI module is cascelled to two SR-311-E8B modules. The ModBus RTU protocol is used on the 485 interface.

 

Support ModBus Poll:

Supports ModScan software: