Alspa C80-35 24 Vdc Input, Neg/Pos Logic, 1 ms ... - GE Fanuc PLC

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Chapter1IntroductionThe Alspa C80–35 PLC, Alspa C80–25 PLC and Alspa C80–05 Micro PLC are members of the CegelecAlspa 8000 PLC range of programmable logic controllers (PLCs). They are easy to install and configure, offeradvanced programming features, and are compatible with the Alspa C80–75 PLC.The Alspa C80–25 PLC provides a cost–effective platform for low I/O count applications. The primary objectivesof the Alspa C80–25 PLC are:To provide a small PLC that is easy to use, install, upgrade and maintain.To provide a cost–effective family–compatible PLC.To provide easier system integration through standard communication hardware and protocols.The Alspa C80–05 Micro PLC also provides a cost-effective platform for lower I/O count applications. Theprimary objectives of the Micro PLC are the same as those for the Alspa C80–25. In addition, the Micro PLC offersthe following:The Micro PLC has the CPU, power supply, inputs and outputs all built into one small device.Most models also have a high speed counter.Because the CPU, power supply, inputs and outputs are all built into one device, it is very easy to configure.1. SOFTWARE ARCHITECTUREThe software structure for the Alspa C80–35 PLC (except 351 models) and Alspa C80–25 PLC uses an architecturethat manages memory and execution priority in the 80188 microprocessor. Models 351 and 352 uses an 80386 EXmicroprocessor. The Alspa C80–05 Micro PLC uses the H8 microprocessor. This operation supports both programexecution and basic housekeeping tasks such as diagnostic routines, input/output scanners and alarm processing.The system software also contains routines to communicate with the programmer. These routines provide for theupload and download of application programs, return of status information, and control of the PLC.In the Alspa C80–35 PLC, the application (user logic) program which controls the end process to which the PLCis applied is controlled by a dedicated Instruction Sequencer Coprocessor (ISCP). The ISCP is implemented inhardware in the Model 313 and higher and in software in the Model 311 systems, and the Micro PLC. The 80188microprocessor and the ISCP can execute simultaneously, allowing the microprocessor to service communicationswhile the ISCP is executing the bulk of the application program; however, the microprocessor must execute thenon–boolean function blocks.ALS 52102 c–en Alspa C80–35, C80–25 and C80–05 PLCs Reference Manual Page 1–1
Introduction2. FAULT HANDLINGFaults occur in the Alspa C80–35 PLC, Alspa C80–25 and Alspa C80–05 Micro PLC when certain failures orconditions happen that affect the operation and performance of the system. These conditions may affect the abilityof the PLC to control a machine or process. Other conditions may only act as an alert, such as a low battery signalto indicate that the voltage of the battery protecting the memory is low and should be replaced. The condition orfailure is called a fault.Faults are handled by a software alarm processor function which records the faults in either the PLC fault tableor the I/O fault table. (The Model 331 and Model 340/341 CPUs also time–stamp the faults.) These tables can bedisplayed on the PLC Fault Table and I/O Fault Table screens in Alspa P8–25/35/05 software using the control andstatus functions.3. ALSPA C80–25, C80–35, C80–05 INSTRUCTION SETProgramming consists of creating an application program for a PLC. Because Alspa C80–35, C80–25 and C80–05Micro PLCs have a common instruction set, they can all be programmed using the same software. Chapter 4 ofthis manual describes the instruction set used to create ladder logic programs for the Alspa C80–35, C80–25 andC80–05 Micro PLCs.If the Alspa P8–25/35/05 programming software is not yet installed, please refer to the ALS 52201 AlspaP8–25/35/05 Programming Software for Alspa C80–35, C80–25 and C80–05 PLCs User’s Manual, forinstructions. The user’s manual explains how to create, transfer, edit and print programs.Configuration is the process of assigning logical addresses, as well as other characteristics, to the hardwaremodules in the system. It may be done either before or after programming, using the configuration software whichis part of Alspa P8–25/35/05 software; however, it is recommended that configuration be done first. If that has notbeen done, you should refer to the ALS 52201 Alspa P8–25/35/05 Programming Software for Alspa C80–35,C80–25 and C80–05 PLCs User’s Manual, to decide whether it is best to begin programming at this time.3.1. Contacts, Coils and LinksThe most basic elements of a program are relay functions, which are described in chapter 4, § 1. Relay Functions.These contacts and coils represent machine inputs and outputs, and can be used to control the flow of logic throughthe program. They enable or prevent the execution of other program functions in a rung and indicate the states ofoutputs. The Alspa P8 software provides many types of contacts and coils for maximum programming flexibility.3.2. Timers and CountersFor information about using an on–delay or stopwatch–type timer, as well as up and down counters, refer tochapter 4, § 2. Timers and Counters.Page 1–2Alspa C80–35, C80–25 and C80–05 PLCs Reference ManualALS 52102 c–en
Page 1: AlspaIC693MDL655New In Stock!Cegele
Page 6 and 7: PrefaceThis manual describes the op
Page 8 and 9: Preface3. MANUAL NUMBERSIn some cas
Page 10 and 11: Reader’s commentsALS 52102 c-enAl
Page 16: Contents5.3.2. Valid Memory Types .
Page 19 and 20: ContentsAPPENDIX C - INSTRUCTION MN
Page 21: TablesTable 2.1 - Sweep Time Contri
Page 25 and 26: Introduction3.9. Do I/OTo perform a
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Instruction MnemonicsFunctionGroupI
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Key FunctionsAlspa P8 Key Help (ALT
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Key FunctionsAlspa P8 Instruction M
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Key FunctionsPage D-6Alspa C80-35,
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Using Floating-Point NumbersOutside
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Using Floating-Point Numbers3. ERRO
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Alspa C80-35 24 Vdc Input, Neg/Pos Logic, 1 ms ... - GE Fanuc PLC

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