scada - PLC Programming & Automation

PLC Communication Protocols for SCADA: What to Pick

September 12, 2026February 1, 2024 by PLC

Timing chart comparing polled Modbus TCP requests and responses at 25 ms against cyclic EtherNet/IP I/O packets at a 10 ms RPI

Modbus TCP, EtherNet/IP, PROFINET, OPC UA and MQTT compared by how they move data, with ports, poll rates and the mistakes that cost SCADA update time.

SCADA PLC Integration: Connect Ignition to ControlLogix

September 12, 2026January 19, 2024 by PLC

Timing chart of a one second SCADA tag group: the group tick, the CIP read request, the controller reply about 60 ms later, and the historian insert

Pick the protocol, prepare the controller tags, add the device in Ignition, set a sane tag group, then prove the link survives a network drop.

What is SCADA?

July 22, 2020June 25, 2020 by Admin

Scada meaning and what is SCADA, and how to use scada systems. PLC and scada communication, how you can control SCADA with plc.

Factorytalk View Site Edition

September 13, 2026June 24, 2020 by Admin

Overview of FactoryTalk View SE Network Distributed, Network Station, and Local Station applications, plus publishing HMI pages to View Point.