#4 20ma wireless link how to#
#4 20ma wireless link manual#

Sample time interval: 1 second – 24 hours (can be independently set for each channel).

100 % ABS FR Flame Retardant UL94V-0 plastic material.

Over-the-Air firmware upgradable to take advantage of new features in the future.įigure 2-1 : aMG 4–20 mA to WIFI Data Logger Size.

Configurable heartbeat service for data connection health checks.

Circular buffer mechanism to ensure precise data acquisition timing.

User and role-based management for device access control by an administrative.

Easy setup via a web application, just like setting up any WiFi access point at home.

Free server setup source code example e.g., Php + MySQL and Node.js + SQLite.

Support RESTful API webservice with time-varying user-customizable secret-keyed AES encrypted JSON data package.

Concurrently record all data to internal storage and send data to your own remote database server.

Most suitable for customer with basic IT knowledge to set up your own database server (free example source code available for our customers).įigure 1-3 : aMG 4–20 mA to WIFI Data Logger work diagram 1.2 Key Features ¶ Just setup your own database server, connect the device to a common WiFi network, and wait for the data to arrive in your database.

No need to worry about data security and privacy. Therefore, you will always have critical information, to the finest detail, stored securely and redundantly both in your own server and in the device.įigure 1-2 : Basic Concept of aMG 4–20 mA to WIFI Data Logger The data can be encrypted and sent to your own database server securely via WiFi, with 7-years-worth of in-device backup storage.

7.3 Example database server setup with NodeJS and SQLite databaseġ aMG 4–20 mA to WIFI Data Logger ¶ 1.1 Product Overview ¶įigure 1-1 : aMG 4–20 mA to WIFI Data LoggerĪMG 4-20 mA to WiFi Data Logger is a device that can read up-to 4 channels of 4-20 mA data every 1 second.

7.2.2 PHP service for many hardwares in one table.

7.2.1 PHP service for one by one (one hardware to one table).

7.2 Example database server setup with PHP and MySQL database.

#4 20ma wireless link how to#

7.1 How to setup a Google Sheet as a server to login data.

6.9 Testing data sending to database server.6.8 How to convert UNIX format data to ISO format.6.7 How to setup database server to receive data from the device.6.6.2 Export the database as a CSV file.6.6.1 Review data using DB Browser for SQLite.6.6 How to retrieve data from micro SD card.6.4 Removal and installation of micro SD Card.5.1.10 Exit from Configuration Mode and start Running Mode.Visit aMG 4-20 mA to WiFi Data Logger product page page to purchase the product.

#4 20ma wireless link manual#

This user manual is for aMG 4-20 mA to WiFi Data Logger with the latest firmware version r3s.21.02c. AMG 4-20mA to WiFi Data Logger User Manual