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- Wiring tips for connections and routing inside industrial control panelWiring industrial control panels is a complex process and it needs a number of carefully planned and performed details. However, there are dozen of tips and advices on how to... Read more
- 4 most popular PLC programming languages for implementation of control diagramsPLCs from different manufacturers can be programmed in various ways. Popular programming languages for PLCs are ladder diagrams, Function Block Diagrams (FBD), and statement list. With a few exceptions, a... Read more
- PLC power supply and safety (emergency) circuits requirementsThe source for a PLC power supply is generally single-phase and 120 or 240 VAC. If the controller is installed in an enclosure, the two power leads (L1 hot and... Read more
- Basic electrical design of a PLC panel (Wiring diagrams)It is uncommon for engineers to build their own PLC panel designs (but not impossible of course). For example, once the electrical designs are complete, they must be built by... Read more
- Ladder logic for special motor control circuits – jogging and pluggingLadder logic is often used to implement various motor control circuits. Beside standard motor control circuits, there are also special control circuits designed to allow jogging (brief energization of the... Read more
- Considerations to take into account when designing PLC ladder logicMotor control circuits are often implemented using ladder logic. It is so called because the schematic representation of the control circuit resembles a ladder with two vertical rails and a... Read more
- 9 rules for correct cabling of the Modbus RS485 communication systemsThe cabling of the industrial communication systems (Modbus RS485) is different in some ways from the cabling used for power cabling and the electrician may experience some difficulties if he is not... Read more
- 3 easy measures for good PLC system maintenanceWhy need for PLC system maintenance when they are designed to be easy to maintain and to ensure trouble-free operation? Well, several maintenance aspects should be considered once the system... Read more
- 14 electrical characteristics of the motor you should knowElectrical characteristics like voltage, frequency and phase of power supply should be consistent with the motor nameplate rating. A motor will operate satisfactorily on voltage within 10% of nameplate value,... Read more
- 5 good methods to apply for successful PLC troubleshootingPLC troubleshooting can be performed in many different ways and as the engineer’s experience always plays the major role in successful resolving of such issues, five methods have been developed.... Read more