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FAQ What has to be considered to replace S7-200 PID applications with "PID_Compact" V2 for S7-1200?

This entry describes how to replace an existing SIMATIC S7-200 closed loop control with the technology object "PID_Compact" V2 for SIMATIC S7-1200.

01/15/2016
ID: 109481448
(5)
FAQ Which version of STEP 7 Micro/WIN or S7-200 PC Access is compatible with which version of MS Windows?

The Compatibility Tool is a function provided by the Industry Online Support with which you can select compatible software products or check the compatibility of existing configurations.

07/22/2015
ID: 8675614
(13)
FAQ What should you watch out for with the PPI/MPI/DP interfaces if you want to use the CP 5711 / PC Adapter USB A2 with a SIMATIC S7-200?

System properties of the PPI/MPI/DP interfaces when used with a SIMATIC S7-200.

04/29/2014
ID: 85669627
(8)
FAQ Why is the "WinHlp32.exe" file for the Field PGs not installed automatically when you install STEP 7 Micro/WIN V4.0 in Windows 7?

Description The Microsoft file 'WinHlp32.exe' is not a component of Windows 7; it belongs to the earlier Microsoft operating systems. The executable file 'WinHlp32.exe' is needed to display 32-bit help files with the '.hlp' file name extension. You must install this application to display '.hlp' files in Windows 7. ...

For products: 6ES7810-2CC03-0YX0, 6ES7810-2CC03-0YX3
01/10/2014
ID: 86140286
(6)
FAQ How can you realize additional logical operators (NEG, NAND, NOR, NXOR) with STEP 7 Micro/WIN?

Description In the following we describe operators that are not included as standard in the STEP 7 Micro/WIN programming software. ...

05/24/2012
ID: 18251129
(0)
FAQ How can you measure the exact length of an upcoming pulse with an S7-200?

Description   You can record the length of upcoming pulses as described below. Create a subprogram for pulse width modulation Create a permanent 20 kHz pulse sequence using the PLS pulse output function and the PWM function. This can be done with the menu 'Tools > Positioning wizard'. There you select the 'Configure integrated PTO/PWM function of the S7 200' function.  Then select the corresponding output wh ...

05/24/2012
ID: 16938211
(1)
FAQ Why is a difference detected in the "Compare real numbers for equality" operation although the floating-point numbers are equal in the status?

Description The number values available as real numbers from the process are too imprecise for the 'Compare real numbers for equality' operation. This number format is not recommended for the comparison for 'equality' because of the rounding-off error of the real numbers. ...

05/24/2012
ID: 17924241
(0)
FAQ How can you determine the range of a value INT, DINT, REAL within two given limits?

Description   This entry contains a STEP 7 Micro/WIN library with program blocks CLAMP_INT, CLAMP_DINT and CLAMP_REAL. ...

05/23/2012
ID: 18944338
(0)
FAQ How do you implement the modulo function in STEP 7 Micro/WIN?

Description The module operator gives the remainder when dividing integers. Example...

05/23/2012
ID: 18251123
(0)
FAQ How do you dynamically modify static message texts of the TD200 by way of embedded ASCII data?

Description  The TD200 (up to firmware version V2.1) does not offer by default embedded data in ASCII format. However, since the TD200 loads stored static messages only during runtime, dynamic messages can be generated by changing these given texts. ...

05/21/2012
ID: 19341692
(0)
FAQ In STEP 7 Micro/WIN, how can you evaluate unlimited rising and falling edges in main programs or subprogram?

Description Using the library below you can make unlimited edge evaluations. Normally, the CPU supports only 256 edge evaluations - see Entry ID: 8804150. This program routine can also be used in subprograms. Normally the CPU does not support this - see Entry ID: 7115899. ...

05/21/2012
ID: 17542200
(3)
FAQ How do you implement the LOGO! Pulse Relay function in STEP 7 Micro/WIN?

Description   This entry provides you with a STEP 7 Micro/WIN library that includes a block for a pulse relay function. ...

05/21/2012
ID: 19141713
(0)
FAQ How can you read out the S7-200 CPU clock and output the values in integer format and how can you set the S7-200 clock with default integer values?

Description The Clock_Integer library below converts the transfer values automatically from decimal to BCD format and vice versa. Then the corresponding time operation READ_RTC or SET_RTC is executed. This facilitates handling of the time functions (READ_RTC and SET_RTC) when transfer values are stored by operator panels or program sections in decimal format. ...

05/21/2012
ID: 19294366
(12)
FAQ How do you synchronize time/date between a TP170A and an S7-200 CPU with ProTool?

Instructions Since only an unbuffered system clock is integrated in the TP170A the panel's system clock can only be synchronized at regular intervals with the system clock of the S7-200 controller using the 'Date/Time PLC' area pointer. ...

05/04/2012
ID: 18630804
(1)
FAQ How do you form the absolute and negative values of numbers in STEP 7 Micro/WIN?

Instructions The functions for forming the absolute (ABS) and negative (NEG) values of numbers are not in the standard library of STEP 7 Micro/WIN. But you can program them using the integrated functions. The the download below you can add the sign operations via the 'Sign Operation' library in STEP 7 Micro/WIN version V3.2.4.27 and higher. ...

05/03/2012
ID: 25939521
(5)
FAQ How do you convert the number format DOUBLE INTEGER into BCD code (or vice versa) in STEP 7 Micro/WIN?

Instructions In STEP 7 Micro/WIN, you can use the functions I_BCD and BCD_I (see Operations -> Conversion) to convert 16-bit integers (INTEGER) into BCD code and vice versa (BCD->INT). Using the download available below you can also convert 32-bit integers (DOUBLE INTEGER) into BCD code and vice versa. ...

05/03/2012
ID: 25943079
(2)
FAQ How do you convert a binary number into Gray code (or vice versa) in STEP 7 Micro/WIN?

Instructions The STEP 7 - Micro/WIN standard library does not include generation of the Gray code. Using the download attached you can convert 8-, 16- and 32-bit binary numbers. ...

05/03/2012
ID: 26485059
(7)
FAQ How can you scale analog values with S7-200 in conjunction with CPU224XP and expansion modules EM 231, EM 232 and EM 235?

Instructions Analog input and output values of the expansion modules EM 231, EM 232 and EM 235, as well as of CPU 224XP are displayed digitally in the INTEGER data word format. It is necessary to make conversions to ensure correct interpretation and processing. These conversions are explained using the download attached. The download contains both the 'Scale' library with conversion functions and the sample program 'Tip038' for better understanding. ...

05/03/2012
ID: 27043396
(56)
FAQ How do you create a toggle flipflop in STEP 7 Micro/WIN?

Instructions You can create a toggle function (switching back and forth) using the 'Toggle' library. ...

10/17/2011
ID: 1032831
(12)
FAQ Why are the Service Packs no longer available for downloading?

Description Due to the statutory regulations for export control we are no longer able to provide the Service Packs for downloading in the Service&Support Portal. ...

03/07/2011
ID: 48410768
(2)
 
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