introduction
Siemens S7-1500 is Siemens's most powerful and cost-effective PLC so far. It has attracted the attention of our customers. Today we share with you some advantages and spectrums of Siemens Siemens S7-1500 and S7-300, S7-400 phase PK. Control.
No.1
First of all, its design is more humane, and it is easier for engineers to accept it when it is selected. The S7-1500 module is slightly larger than the S7-300, and the rack is similar to the S7-300. The front connector has a wiring position when it is installed, and provides dedicated power supply components and shield brackets and line cards to make the wiring easier and more reliable. High; especially for engineers is the CPU is equipped with LED display, can easily display CPU status and fault information.
No.2
Secondly, from the hardware point of view, the S7-1500 PLC has a faster processing speed, a stronger networking capability, and a higher diagnostic capability and safety. It not only saves costs, increases production efficiency, but also is safe, reliable, and easy to maintain. It truly becomes a factory. The preferred controller for customers and field maintenance personnel. For example, compared to S7-300/400, S7-1500 PLC adopts new backplane bus technology, adopts high baud rate and high transmission protocol to make its signal processing faster; S7-1500 all CPUs integrate 1-3 The PROFINET interface enables low-cost and rapid configuration of field-level communications and corporate network communications, while the S7-300/400 PLC only integrates the PROFINET interface with individual CPUs; the module of the S7-1500 PLC integrates diagnostics and the diagnostic level is channel-level. No additional programming is required. When a fault occurs, the affected channel can be quickly and accurately identified, reducing downtime. This is unmatched by the S7-300/400 PLC.
No.3
The configuration and programming of the S7-1500 PLC is more efficient and the information collection and viewing is more convenient. This is also a boon for engineering designers. Because the S7-1500 PLC is seamlessly integrated into the TIA Portal software, whether it is hardware configuration, network connection and host configuration, or software programming, its operation is simple and fast. The S7-300/400 PLC dedicated configuration programming software for the classic STEP7, host configuration software for WinCC, relative to TIA Portal software, some operations are tedious (for example, each program block requires each individual save, when there is a syntax error Can not perform the save operation). For the S7-1500, CPU status, process variables, and fault messages can be viewed at any time via the Internet browser, built-in CPU display, TIA Portal, and HMI devices. For the S7-300/400 PLCs, there is no CPU display. There is no S7-1500 PLC to collect and view.
No.4
The S7-1500 PLC supports a wider range of data types than S7-300/400 PLCs. The basic data types of S7-1500 PLC are up to 64 bits in length, while the basic data types supported by S7-300/400 PLCs are up to 32 bits in length; S7-1500 PLC supports Pointer, Any, and Variant, and S7-300/ 400 PLC only supports the first two. These features make the programming of the S7-1500 PLC more flexible.
No.5
In addition, the S7-1500 PLC can implement motion control without using other modules. With PLCopen technology, the controller can use standard components to connect various drives that support PROFIdrive; in addition, the S7-1500 PLC supports TRACE functions for all CPU variables, improving commissioning efficiency and optimizing the performance of the drive and the controller.
summary
In short, the functions of the S7-1500 PLC cover not only the vast majority of S7-300/400 PLCs, but also have a wide range of applications and a wide range of applications, combined with its unparalleled advantages, making it a must for future development. Widely used in various engineering fields.
S7-300 and 1500 models
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