by Regardt Voigt | Mar 17, 2018 | GX Developer, GX IEC, Software, Uncategorized
Introduction The Q-Series PLCs support the facility to FORCE I/O but it is not always clear how to find out what has been forced if a PLC has been left in this state. It is not good practice to leave a LC with forced I/O but it is possible that this could happen. This...
by Regardt Voigt | Mar 16, 2018 | GX Developer, GX IEC, PLC
Introduction It is not well known that in a Q series PLC and automatic allocation of 500 program steps is taken out of the available program memory space to allow room of on-line program changes. Although it is not normally recommended to modify this setting it is...
by Regardt Voigt | Mar 5, 2018 | GX IEC
Introduction There are many useful editing features in GX IEC Developer that are often not known.. GX IEC Developer has several ease-of-use features that are often overlooked or not known by users of the software. This document aims to highlight some of these...
by Regardt Voigt | Mar 1, 2018 | GT Works 3, GX Developer, GX IEC, GX Works 2, PLC, Software
Introduction GX Developer PLC programming software supports several ways of naming a device or I/O address, but by default the software displays the device address or alias but not both at the same time. This post explains how to display the device address, comment...
by Regardt Voigt | Mar 1, 2018 | FX3U, FX5, GOT HMI, GT Designer 3, GT Works 3, GX Developer, GX IEC, GX Works 2, GX Works 3, PLC, QSeries, Software
Introduction All special function modules used as part of a PLC system contain data stored in buffer memory. An example of this would be raw analogue input values from an analogue input module (special function module). Normally this information or data is transferred...
by Regardt Voigt | Feb 27, 2018 | FX3U, GT Works 3, GX Developer, GX IEC, GX Works 2, PLC
Introduction The FX3G and FX3U PLCs provide the facility to add ADP modules to the left-hand side of the PLC such as the FX3U-4AD-ADP (4 channel analogue input module). The data for these modules is automatically placed into specific data registers in the D8000 range....
by Regardt Voigt | Feb 26, 2018 | E Designer, E1000, GOT HMI, GX Developer, GX IEC
Introduction It is often the case that a PLC will be linked with an HMI and it is very helpful if both items can share the same variables list (Tag list or I/O list). Here we explain how this can be done. Design Considerations Firstly, it must be understood that the...
by Regardt Voigt | Feb 26, 2018 | GX IEC, Software
Introduction People often ask if there is any documentation of books on the IEC 61131-3 PLC programming standard and/or GX IEC Developer. The answer is yes. And the question is where? Design Considerations When GX Developer is installed, 3 documents are also...
by Regardt Voigt | Feb 23, 2018 | GX Developer, GX IEC, PLC, QSeries
Introduction The Q-Series PLC supports the facility to FORCE I/O but it is not always clear how to find out what has been forced or how to track forces. This document details the use of a feature called “Forced Input Output Registration/Cancellation”. Design...
