by Regardt Voigt | Feb 28, 2018 | FR-E7xx, FR-F7xx, FR-F8xx, VSD
Introduction Where several motors are to be speed controlled at the same speed it can be an efficient solution to install one suitably rated VSD drive to control these motors. Design Considerations The following points need to be considered in the design and...
by Regardt Voigt | Feb 28, 2018 | Servo Motors, Servo Systems, Servos
Introduction With a servo system, when the actuator is a conveyor or feed system that always indexes in the forward direction, it can be difficult to divide the encoder resolution into the feed pitch without getting a fraction of a pulse as a remainder. This document...
by Regardt Voigt | Feb 28, 2018 | FX3U, PLC
Introduction Many customers want to save comments (I/O Tag names) to an FX PLC but don’t know how to do it and what the implications are. This post aims to explain this issue. Design Considerations To be able to save comments (I/O Tag names) in the PLC such that they...
by Regardt Voigt | Feb 28, 2018 | GX Developer, QSeries
Introduction The Mitsubishi Electric Q-Series PLC range provides two ranges of timers (low speed and high speed), however it is not always obvious how to program them into the PLC code. This document explains how this is done and shows how to manipulate the associated...
by Regardt Voigt | Feb 28, 2018 | GOT HMI, GOT1000
Introduction It is often a requirement when displaying numerical data, that text is added to explain what engineering units of measurement are for this object. Traditionally this has been achieved by adding a static text object however this is not needed if the...
by Regardt Voigt | Feb 28, 2018 | E1000, GOT HMI
Introduction E1000 HMI support as series of “system signals” that allow designers to control certain features of the HMI. In this tip we look at control of the backlight. Design Considerations With a project open in the E Designer software, select System Signals from...
by Regardt Voigt | Feb 28, 2018 | GX Developer
Introduction When monitoring PLC code (perhaps during fault diagnostics), there may be a need to view several individual lines of PLC code from different parts on the program. Normally this would mean jumping about in the ladder code but you would not be able to see...
by Regardt Voigt | Feb 27, 2018 | FR-A7xx, FR-A8xx, FR-D7xx, FR-E7xx, FR-F7xx, FR-F8xx, Uncategorized, VSD
Introduction FR-Configurator SW3 software is the software tool that can be used with Mitsubishi Electric Factory Automation’s 700 series VSDs. This software supports many functions of which one is the test mode. Test mode allows the software to control and monitor the...
by Regardt Voigt | Feb 27, 2018 | Communication, PLC
Introduction It is well known that the CC-Link multi-drop serial communications network has a number of rules when it comes to the physical cable, but it is not well that this network can be extended and branched. Here we aim to explain how the AJ65SBT-RPT repeater...
by Regardt Voigt | Feb 27, 2018 | E Designer, E1000, GOT HMI
Introduction A common question asked when a product is superseded by a newer product is “what is the equivalent?” This document aims to help explain the upgrade path from the old F900 series GOT HMIs to the new GT1000 series GOT HMIs. Design Considerations In most...
by Regardt Voigt | Feb 27, 2018 | Medoc, Software
Introduction For support of legacy products, customer may still need to use the DOS MEDOC PLC programming software. This software will happily run in a Windows DOS box but it cannot normally communicate from a serial port due to the fact that the Windows operating...
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 27, 2018 | Uncategorized
Introduction GX Developer programming software allows the user to create more than one program within a single Qn PLC. This can be useful for structuring an application and/or for controlling program flow as each program can be triggered by any of the following...
by Regardt Voigt | Feb 27, 2018 | Uncategorized
Introduction It is sometimes a requirement to run a PLC program for testing without affecting the actual real outputs. There we discribe how this can be carried out on FX PLCs. Design Considerations To be able to run a PLC program in a test mode such that the program...
by Regardt Voigt | Feb 27, 2018 | Uncategorized
Introduction From time to time, Mitsubishi products are updated and therefore there will be some differences. This document details the differences between the old and new versions of the Q PLC CC-Link master module and any precautions when swapping from an old to new...
by Regardt Voigt | Feb 27, 2018 | Uncategorized
Introduction In some systems it can be a requirement to be able to program any and all PLCs from a single connection point when the PLCs are connected together on a network. To this end a typical system may consist of a Q-Series modular PLC as a CC-Link network...
by Regardt Voigt | Feb 27, 2018 | Servo Systems, Servos
Introduction If for some reason a MR-J3 servo amplifier needs to be replaced, it is possible to maintain the servo position information. Design Considerations On the connection diagram shown below, a special cable is used to connect the servo amplifier to the encoder...
by Regardt Voigt | Feb 27, 2018 | E1000, GOT HMI
Introduction It is often a complaint that there are no manuals for E1000 HMIs, but this is not true. Design Considerations When E-Designer is installed on a PC several manuals are automatically installed. These manuals are not specifically referenced anywhere, hence...
by Regardt Voigt | Feb 27, 2018 | FX3U, High Speed I/O, PLC, Uncategorized
Introduction The FX3U PLC supports up to 2 left-hand side high speed Input modules of the FX3U-4HSX-ADP type. When adding these modules there are some rules and limitations. Design Considerations The FX3U-4HSX-ADP uses the same first few inputs as the main FX3U PLC,...
by Regardt Voigt | Feb 27, 2018 | GOT HMI, GOT1000
Introduction Parameter settings in an inverter and some setting values in a PLC are often expressed as whole integer values representing increments of 0.1 or 0.01. For example, 100 in an inverter parameter represents 10.0 units of measurement. The issue is how to...