Wiring tips for connections and routing inside industrial control panel
Wiring 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 do this and that, but this technical article will limit… Read more
Jun 21, 2017 | By Edvard Csanyi
Four most popular PLC programming languages for implementation of control diagrams
PLCs 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 program written in one format can be viewed in another…. Read more
Jun 12, 2017 | By Edvard Csanyi
PLC power supply and safety (emergency) circuits requirements
The 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 L2 common) normally enter the enclosure through the top part… Read more
Mar 15, 2017 | By Edvard Csanyi
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 an electrician. Therefore, it is your responsibility to effectively communicate… Read more
Feb 27, 2017 | By Edvard Csanyi
Ladder logic for special motor control circuits – jogging and plugging
Ladder 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 motor to adjust its positioning) or to prevent plugging (sudden… Read more
Feb 01, 2017 | By Edvard Csanyi
Considerations to take into account when designing PLC ladder logic
Motor 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 number of horizontal rungs, as shown in Figure 1. The… Read more
Jan 18, 2017 | By Edvard Csanyi
9 rules for correct cabling of the Modbus RS485 communication systems
The 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 an expert in Modbus communication networks. A Modbus RS485 connects a… Read more
Dec 07, 2016 | By Edvard Csanyi
3 easy measures for a good PLC system maintenance
Why 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 is in place and operational. Certain maintenance measures, if performed… Read more
Nov 02, 2016 | By Edvard Csanyi
14 electrical characteristics of the motor you should know
Electrical 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, or frequency within 5%, or combined voltage and frequency variation… Read more
Oct 24, 2016 | By Edvard Csanyi
5 good methods to apply for successful PLC troubleshooting
PLC troubleshooting can be conducted through many approaches, with the engineer’s knowledge being a crucial factor in effectively resolving these issues; hence, five methods have been established. When we speak about PLC troubleshooting, maintaining an inventory of replacement components is… Read more
Oct 19, 2016 | By Edvard Csanyi
PLC start up and checking procedures before applying the power
Prior to applying power to the system there are five important PLC start up and checking procedures to perform. User should make several final inspections of the hardware components and interconnections. PLC start up and checking procedures before applying the… Read more
Sep 23, 2016 | By Edvard Csanyi
Guidelines for PLC installation, wiring and connection precautions
Input/output installation is perhaps the biggest and most critical job when installing a PLC – programmable controller system. To minimize errors and simplify installation, the user should follow predefined guidelines. All of the people involved in installing the controller should receive… Read more
Aug 08, 2016 | By Edvard Csanyi
6 Common Setting Parameters Available On Most Of The Softstarters
This technical article includes a short description of six common setting parameters available on most of the softstarters. Other settings may be available depending on the type of softstarter and manufacturer. The setting can be done either by adjusting potentiometers, changing… Read more
Jun 27, 2016 | By Edvard Csanyi
12 Basic Motor Types Used For Industrial Electric Drives
Almost all modern industrial and commercial undertakings employ electric drive in preference to mechanical drive because it possesses the following advantages : It is simple in construction and has less maintenance cost Its speed control is easy and smooth It… Read more
Jun 21, 2016 | By Edvard Csanyi
Think Of These Things When Purchasing SCADA Software Package
While performance and efficiency of the SCADA software package with the current plant is important, the package you will purchase should be easily upgradeable to handle future requirement. The system must be easily modifiable as the requirement change and expandable… Read more
Jun 13, 2016 | By Edvard Csanyi
