Is the function or function block object properties in the "notes" how to add notes, I want to customize some commonly used function block in the database, if a long time do not know how to use, you want to add a comment.Problem supplement:I don't want to ask how to address assignment comment block, I … Continue reading How to add comments in the function block attribute

Plcs7-200 analog module EM231 can measure the frequency of the signal itBest answerThe analog module can measure the voltage (0-10V, 0-5V) and current (0-20mA, 4-20mA) signal, if your frequency signal through the circuit (such as inverter frequency signal into a current signal output) into the current or voltage signal, then can be measured: for example … Continue reading Plcs7-200 analog module EM231 can measure the frequency of the signal it

Cpu222cn can be followed by two analog module EM231cn? The CPU connection is connected to EM231, then EM231 is connected with a EM231, then EM231 CP receiving module, which can meet, know to say ah, recently has been working on this problem, the programming software can only detect two analog modules, while CP can not … Continue reading Cpu222cn can be followed by two analog modules EM231cn？

Own a WINCC, used to read several temperature S7 program online, the online diagnosis tool software WinCC, two green checkmark above, below the red lightflashing. A WinCC online now. Just read the temperature on the interface and otherfeatures are not, should be inserted into the input field is, right? (This step please little) Please understand.The … Continue reading How to read data with WinCC

Front fork function blocks in the data reference is not called if they are able to call what should callThe best answerFront fork features may indeed have not been called, or be called indirectly.Indirect calls, such as UC FC [#TEMP3] depending on the #TEMP3 value calls different FC.If it does not call directly in ladder … Continue reading How to call S7-300 function block

Graph Action S1 and s two directives in what's the difference?The best answerS=Set

Wincc7.0 SP1 when you deactivate "alarm system" stuck not moving1. project integration2. the path of Chinese characters3. alarm: configuration operator recordsTwo. OS project editor: Select message configuration and complete configuration only difference?The best answerYou have I encountered this situation, there was an acceptance of the WINCC project, but now I want to use OS project … Continue reading SP1 wincc7.0 stuck

Now in a redundant system, CPU414-4H ET200M module using PROFIBUS communication, but need to use Modbus communication, I can see document said ET200M CP341 Modbus master, then practice again to field devices, hardware configuration was introduced, but at the time of software, still called the FC functions directly?The best answerUse consistent and in 300.CP341 PTP … Continue reading CP341 hangs on ET200M, how to software distribution?

Use CPU224XP control bar code printer and scanner, and requires induction to a product, PLC automatically generates an automatic increase bar code and automatically check for the right bar code scanner, what should I do, what hardware it needs backgroundThe best answerFirst of all you need 2 communication ports do free traffic and bar code … Continue reading How to use CPU224XP to control the bar code printer and scanning gun

Used to be 2 computers, a DDC system control computer, a PLC and is related withWINCC6.0 computer, BA monitor computer access communication through OPC Protocol; now combined in one computer, can achieve? Will there be conflict database?Also, WINCC6.0 as the server, can be more than one computer at the same time as the client access?The … Continue reading Can the WINCC6,0 system be shared with a BA monitoring system on a computer?