S7-CP PtP Param V5.1 SIMATIC how to install, how I can not hold upBest answer1, I would like to ask how to properly install PtP Param V5.1 Sp8 CP:http://www.ad.siemens.com.cn/service/answer/solution.aspx? Q_ID=68387&cid=1029?2, see the answers to similar questions:http://www.automation.siemens.com.cn/Service/answer/solution.aspx? Q_ID=97625&cid=1027?

Relay type output can use PWM function?Best answer1, Smart specification, as shown in figure 1.2, pulse width modulation (PWM) output cycle. If the time is millisecond range allowed is 2 to 65535; if the time is microseconds, range allowed is 10 to 65535.PWM belong to the pulse output, can not be used to see your … Continue reading SMART SR60 S7-200 how to use the PWM function

Q0_0_MoveAbsolute is not like Q0_0_Movevelocity in the direction of the input, then it is how to determine the direction of motionBest answerThis is the absolute position of the directive, directly through the next set of positive and negative to determine the positive and negative

I installed V5.5+sp2 STEP7 after the start, said not to install license SIMATIC automation, installed when I installed the V5.1+sp1+upd3, but I do not see my software Best answerThe authorization manager will when installing the STEP7 software installed at the same time, in the beginning of your program -- --STEP7 find the authorization manager manually … Continue reading How to install SIMATIC automation license

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