Siemens Model 353 overview
Siemens 353A4F1NNNNNNA4 Model 353 Process Automation Controller. The Model 353 Process Automation Controller is a stand-alone, microprocessor-based industrial c...
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Manufactured bySiemens
Product groupProcess Automation Controllers
DescriptionSiemens 353A4F1NNNNNNA4 Model 353 Process Automation Controller.
OverviewThe Model 353 Process Automation Controller is a stand-alone, microprocessor-based industrial controller designed for a broad range of process applications. It can serve as a simple single-loop controller or as a multi-loop controller with complete control and logic functions for a small unit batch or continuous process. The Model 353’s standard Ethernet communication enables it to function as an integral element in a plant system.Loops are configured for control, sequence, or logic as needed within the Model 353. Each configured loop can have a virtual operator display that is viewed locally using the LOOP button on the faceplate and is mapped to network communication for a plant operator station. Alarm management is handled using the L (Loop) & S (Station) indicator lights along with the priority assignments and flashing options of each alarm.User defined pushbuttons in each loop can be used for traditional functions, such as Console/Local, External/Internal Switching or individual user requirements, such as Start, Stop or Jog. Multiple variables are displayed on the operator faceplate and viewed using the D button. User defined units assigned to each variable are displayed via the UNITS button. Complete configuration of the Model 353 is available using buttons located behind the flipdown ID door.A built-in library of preconfigured control strategies (FCOs) enable selection of common basic controller types for quick field set-up. A large selection of reusable function blocks enable simple changes to FCOs or the design of a custom control strategy to meet the needs of specific process control application. The Model 353 Configuration Utility accommodates design, downloading, uploading, and on-line monitoring capabilities for improved management of controller configurations. In addition, sequencer/logic loops can be configured and monitored on-line in ladder diagram format for those more familiar with this language.
Key FeaturesAffords easy integration with and migration to existing systems Multiple loop capabilities for indication, control, logic, or sequencing accommodate comprehensive process control needs Scalable hardware provides lower entry costs, without limiting future needs Full configuration capability via front faceplate push-buttons allows quick field changes without requiring additional tools Ethernet communication is standard, providing peer-to-peer communications. RS485 MODBUS® network connection allows multi-drop wiring for operation, monitoring, troubleshooting, or configuration from a system workstation Front panel PC connection accommodates local configuration, monitoring, or troubleshooting using the graphical configuration software Real Time Clock provides status ouput based on time of day. Removable configuration media stores a complete backup copy of the control strategy configuration Factory Configured Options (FCOs) facilitate fast configuration for common applications Password protection provides individual security for various plant personnel Graphical configuration program provides a choice of function block or ladder logic configuration Short case design allows mounting in 12" deep cabinets Coated circuit boards ensure reliable operation and environmental integrity
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Process Automation Controllers
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