1.1 Controller Features

Adopting ARM Cortex-A7 processor with 800MHz main frequency, balancing low power consumption and real-time computing capability;

Adopting a three-level storage structure of CPU cache, SDRAM, and Flash, supporting 512MB RAM and 8GB Flash, providing powerful data processing and storage capabilities;

Integrated design, high integration, built-in rich IO interfaces and communication interfaces;

The communication interface supports communication protocols such as Modbus RTU/ASCII/TCP/MQTT/OPC UA, and has multiple communication interfaces such as RS232, RS485, Ethernet, wifi, etc;

Working temperature -45~+80 ℃, working humidity 5-95% RH, suitable for various harsh environments;

Through CE certification, achieve EMC electromagnetic compatibility level 4 standard;

Equipped with embedded web servers, SQLite databases, and fault diagnosis programs, providing convenient maintenance capabilities for RTUs and wellsite IoT devices;

Built in relational database, process database, file system, with information storage functions such as oil well power diagrams and logs;

Following industrial design standards, adopting a DIN rail installation structure for easy on-site construction and maintenance.

1.2 Controller Functions

The Dicome 2518 controller integrates the following functions:

24VDC power supply, supporting 9-36V wide voltage input;

8AI, 4-20mA signal input;

8DI, ON level DC8-30V;

4DO， Relay output, contact capacity 3A;

3RS485，2RS232；

2 Ethernet interfaces;

1 WiFi interface, IEEE802.11b/g/n。