By Hans Berger
This booklet provides a accomplished description of the configuration of units and community for the S7-400 parts contained in the engineering framework TIA Portal. You the best way to formulate and attempt a keep watch over software with the programming languages LAD, FBD, STL, and SCL. The booklet is rounded off by way of configuring the allotted I/O with PROFIBUS DP and PROFINET IO utilizing SIMATIC S7-400 and knowledge alternate through commercial Ethernet.
SIMATIC is the globally validated automation procedure for imposing commercial controllers for machines, creation vegetation and methods. SIMATIC S7-400 is the main robust automation approach inside of SIMATIC. This strategy controller is perfect for data-intensive initiatives which are particularly commonplace for the method undefined. With brilliant conversation strength and built-in interfaces it's optimized for better projects comparable to the coordination of whole systems.
Open-loop and closed-loop regulate initiatives are formulated with the STEP 7 specialist V11 engineering software program within the field-proven programming languages Ladder Diagram (LAD), functionality Block Diagram (FBD), assertion checklist (STL), and established keep an eye on Language (SCL). The TIA Portal person interface is tuned to intuitive operation and encompasses the entire necessities of automation inside of its diversity of features: from configuring the controller, via programming within the assorted languages, all of the technique to this system test.
Users of STEP 7 expert V12 will simply get besides the descriptions in line with the V11. With commence of V12, the monitors of the expertise features may perhaps vary just a little from the V11.
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Extra info for Automating with SIMATIC S7-400 inside TIA Portal
STEP 7 Professional requires approximately 2 GB free memory on system drive C: on the hard disk. An interface module with an appropriate port is required on the programming device for the online connection to the programmable controller. The connection can be established over MPI, PROFIBUS, or PROFINET (Ethernet). If you want to work with a programming device with a memory card, you need a corresponding EPROM programming module. exe on the DVD. Uninstallation of STEP 7 Professional is carried out as usual in Windows using the Software program in the Windows Control Panel.
Fig. 7 SIMATIC RAM memory card The data is stored in non-volatile form on a FLASH memory card (FEPROM). You use a FLASH memory card if you want to save the user program in a CPU retentively without backup voltage. You can write to a FLASH memory card in a suitable EPROM programming module or in the CPU with the entire user program. Beginning with version 5, a memory card has a serial number that can be read by the user program. This makes it possible to allow use of the user program only when the “correct” memory card is inserted (copy protection similar to a dongle).
Up to four expansion units can be operated at each connection of the transmit module. A power supply module is required in every expansion unit. The IM 16x-3 interface modules transfer both the I/O bus and the C bus. Fig. 2 Power supply modules The power supply modules (PS) provide 5 V DC and 24 V DC operating voltage for the modules in the rack. Depending on the power supply module, the primary voltage is either an AC voltage of 120/230 V (PS 407) or a 24 V DC voltage (PS 405). The various output specifications for the power supply modules refer to the secondary current for 5 V DC (4 A, 10 A, or 20 A).