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GS-C200S Datenblatt(PDF) 8 Page - STMicroelectronics |
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GS-C200S Datenblatt(HTML) 8 Page - STMicroelectronics |
8 / 31 page 8/31 GS-C200 AND GS-C200S DESCRIPTION The increasing popularity of microprocessors and their very low cost, have contributed to a fast growth of stepper motors usage in a large numbers of application previously covered by more complex, bulk and expensive DC motors servo loops. The GS-C200 and the GS-C200S modules have been conceived to help the industrial designer in design- ing the stepper motor applications based on micro- processor control. These modules are programmable intelligent step- per motor controllers that coordinate highly com- plex movements and sequential operations. This capability is performed through the integration of sophisticated hardware and an easy to learn and very functional and powerful programming lan- guage. Thanks to this high level programming language, the power of the instruction set and the ability to condition and control the program execution through the USER inputs and outputs, the GS-C200 and GS-C200S drastically reduce the design time and start-up manufacturing phase of very complex systems. The GS-C200S offers an advanced and powerful instruction set that includes also the con- ditional jump which allows for more efficient pro- gram-ming. The GS-C200, the GS-C200S and their companion modules, the GS-D200 and the GS- D200S, can be used to drive in chopped mode of bipolar stepper motor with a 2/2.5A maximum phase current rating. The two modules (GS-C and GS-D) are available also on a single Eurocard board named respec- tively GS-DC200, GS-DC200S and GS-DC200SS according to the various modules combination (see the relevant data sheet). In the following the mod- ules will be generically named GS-C. The specific module part number will be used when the feature is unique to that module. A MOTION SYSTEM ARCHITECTURE A complete motion system controlled by a host computer is normally configured as per fig. 3. Figure 3. A Motion System Block Diagram The GS-C logical and functional architecture is shown in fig. 1 and it includes the following basic blocks: – Interface to the Host Computer via an RS232 communication port. – Address and baud rate selection. – Interface to the Sequencer-Driver (in particular but not exclusively, to the GS-D200 or GS- D200S) via 5 output and 3 input lines – Command Interpreter and Executor. – Program storage area – Power Supply. The above mentioned functions are performed by the GS-C without the addition of any external com- ponent, and the module flexibility is further en- hanced by the use of only one unregulated supply voltage that can be the same used to supply the Sequencer-Driver (from 12V up to 40V). Commands are sent to the module by a Host Com- puter or by a simple video terminal during the programming/debugging phase through an RS232 serial port. They are interpreted and validated by the command interpreter and executed through the Sequencer-Driver interface. Command execution can be conditioned and con- trolled by the status of the USER IN-OUT interface. A program storage area has been added to perma- nently store a program in an on-board EEPROM; this is particulary beneficial to obtain a low cost stand-alone controller that does not need any con- nection to an external computer or to store pro- gr ams fr equently used in complex m otion sequencies thus reducing the host computer bur- den and speeding up the system processing. Particular attention has been given to the simplicity of the instruction set to allow an easy design of the system to those designers that are not very familiar with microprocessor software and programming. In the following a detailed description of the various functional blocks is given. GS-C200 / GS-C200S |
Ähnliche Teilenummer - GS-C200S |
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Ähnliche Beschreibung - GS-C200S |
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