Display89222

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About Display89222

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  1. Tia Portal Programming Help PLEASE

    Hello I am having some difficulty writing code for a specific function using Tia portal and a S7-1200. I 10 Digital inputs and 1 analogue output set for 0-10V. When 1 DI is high I need the AQ to be at 1V, when any 2 DIs are high I need the AQ to be at 2, When any 3 DIs are high I need the AQ to be at 3V and so on.... I just can't work out the best way to do achieve this.   For a bit more info the to what the project entails the digital inputs are all coming back from DOL starters for woodworking equipment at workstations. When one of these starters is turned on a signal is sent back to the PLC DI card, this open a solenoid in extraction pipework and also increases the frequency at a VSD to extract the dust. So when more workstations are in use the higher the frequency of the VSD will be and the faster the motor will run allowing adequate extraction at all stations