GOT1000 number scaling

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...

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Memory cards for Q-Series PLCs

Introduction There are 3 different types of memory cards available for Q-Series PLCs and it is important to choose the correct one as they do not all support the same features. The 3 types are SRAM (RAM), Flash (ROM) and ATA (ROM). Design...

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Setting data from a GOT

Introduction It is sometimes a requirement of an HMI application to write a fixed or variable value to a data register in a PLC at the touch of a button. This document explains how this can be done with any current range GOT HMI. Design...

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Inverter analog output calibration

Introduction The analog output of an inverter (VSD) is sometimes used as an input to third party devices to give an indication of inverter running speed, for example. To give an accurate indication of speed it is sometimes necessary to calibrate the analog...

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What’s new in IEC?

Introduction Every time a new version of GX IEC Developer is installed, the inevitable question is “how do I find out what is new and/or what has changed?”. This document aims to answer the question. Design Considerations When a new version of...

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FX Modbus setup issue in IEC

Introduction To setup the FX3U-232ADP-MB Modbus module, it is necessary to initially configure the serial communication settings. this is relatively straight forward but there is a small issue to take care of when using GX IEC Developer. Design...

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GX IEC Developer Documentation

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...

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