SCADA, PLC and RTU Programming

SCADA, PLC and RTU Programming

SCADA system design and PLC/RTU programming to meet DNSP communication requirements for integration of new loads and generation into the grid.

SCADA system design and programming to meet DNSP communication requirements for integration of new loads and generation into the grid. SCADA (Supervisory Control and Data Acquisition), PLC (Programmable Logic Controller), and RTU (Remote Terminal Unit) programming are essential components of industrial automation and control systems.

These technologies play vital roles in monitoring and controlling various processes in industries such as manufacturing, energy, water treatment, and more.

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Why our SCADA, PLC and RTU Programming services?

AS/NZS 61439 Compliant
Our SCADA, PLC and RTU Programming services have been tested to be compliant with AS/NZS 61439. We have verified various designs at both PLUS ES in Lane Cove and TUV in Heidleberg.
Thousands of SCADA, PLC and RTU Programming services provided
Our manufacturing team has extensive experience and has worked on thousands of projects across Australia.
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Proper programming of SCADA systems, PLCs, and RTUs is essential for ensuring the reliable and safe operation of industrial processes.

 

Engineers and programmers with expertise in these systems are responsible for designing, programming, testing, and maintaining the software components that control and monitor critical processes in industries around the world.

Here’s an overview of programming for each of these systems:

 

SCADA Programming

 

Purpose

SCADA systems are used to monitor, control, and gather data from remote equipment and processes. They provide a graphical interface for operators and engineers to visualise and manage industrial processes.

Programming Languages

SCADA systems often use human-machine interface (HMI) software to create graphical displays. This involves configuring elements such as screens, alarms, trends, and reports using HMI development environments. Some SCADA systems also support scripting languages or programming languages for advanced custom functionality.

Tasks

SCADA programming involves designing the user interface, defining data tags and variables, configuring alarms and events, creating trending and reporting tools, and setting up communication protocols to interface with PLCs, RTUs, and other devices.

Software Tools

Popular SCADA software includes Siemens WinCC, Wonderware InTouch, Ignition, and Inductive Automation’s SCADA platform.

 

PLC Programming

 

Purpose

PLCs are ruggedized industrial computers used for controlling machinery and processes. They are programmed to execute logic and control operations.

Programming Languages

PLCs are typically programmed using ladder logic, which resembles electrical relay diagrams. Other languages like structured text, function block diagrams, and sequential function charts are also used, depending on the PLC model and application.

Tasks

PLC programming involves writing control logic, configuring input and output (I/O) devices, defining data structures and variables, setting timers and counters, implementing safety functions, and testing and debugging code.

Software Tools

PLC programming software varies by manufacturer. Examples include Siemens TIA Portal (for Siemens PLCs), RSLogix (for Rockwell/Allen-Bradley PLCs), and CODESYS (which is a platform-independent option).

 

RTU Programming

 

Purpose

RTUs are used for remote monitoring and control of field equipment in various industries, including utilities, oil and gas, and environmental monitoring.

Programming Languages

RTUs may use programming languages like ladder logic, structured text, or function block diagrams similar to PLCs. The choice of language often depends on the RTU manufacturer and the specific application.

Tasks

RTU programming includes writing control and monitoring logic, configuring communication protocols (e.g., Modbus, DNP3), setting up data acquisition from sensors, and implementing data logging and reporting.

Software Tools

RTU programming tools vary by manufacturer, and they often provide software environments that allow developers to write and test RTU programs.

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