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 | Uncategorized
Introduction For many years users of GX IEC Developer have wanted to remotely program a PLC via a serially connected GSM modem, however, the modem settings selection is “greyed out”. This document explains how to access these GSM modem settings. Design Constraints...
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...