by Regardt Voigt | Mar 20, 2018 | GX Developer, GX IEC, GX Works 2, GX Works 3, PLC, Q Series, QSeries
Introduction Many programmers know that labels (pointers) are used in program flow control (e.g. jump to label), but they may not know that labels are also used with function blocks. This document aims to explain the use of labels with function blocks and what can be...
by Regardt Voigt | Mar 20, 2018 | FX3U, FX5, GX Works 2, GX Works 3, PLC
Introduction FX PLCs do not have a simple switch for clearing/resetting latched memory. While this may not be a problem, it does need to be taken into consideration when creating PLC programs because, unlike modular PLCs such as the Q-Series, FX PLCs have default...
by Regardt Voigt | Mar 17, 2018 | PLC, Q Series
Introduction There are not many modular K series PLCs still in operation but it is still possible to convert the K series application to a Qn PLC as detailed below. It should be pointed out that availability of the items listed may mean that conversion is not...
by Regardt Voigt | Mar 17, 2018 | FX3U, PLC
Introduction The FX3U PLC can be fitted with a mini USB connection option that is typically used for PLC programming access. It is not so well known that this connection can also be used for general communications with MX Sheet. Design Constraints If the FX3U-USB-BD...
by Regardt Voigt | Mar 16, 2018 | PLC, Software
Introduction GX Utilities software add many features to the standard GX and GX IEC Developer software that can provide help with things such as error diagnostics, analogue gain and offset setting, etc. Design Constraints The suite of GX Utilities software supplied...
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 7, 2018 | Communication, FX3U, PLC
Introduction The FX Series PLC can be programmed via the FX-USB-AW communication interface adaptor. However, for this unit to work, the correct PC drivers are to be installed. The following is an connection layout example for this communication to transpire. System...
by Regardt Voigt | Mar 6, 2018 | Communication, ENET, FX3U
Introduction The FX3U-ENET module uses FX-Configurator-EN to setup all Ethernet settings including IP address. If however you do not have FX-Configurator-EN it is still possible to find out the IP address as shown below. Design Considerations An FX3U-ENET Ethernet...
by Regardt Voigt | Mar 6, 2018 | FX3U, GX Developer, PLC
Introduction All PLC I/O and devices can be commented in GX Developer and down loaded to the PLC however there are a maximum number of characters. When programming an FX PLC with GX Developer it is possible to comment all I/O and devices. These comments can be stored...
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...
