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Modbus Organization

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Siemens Energy & Automation, Inc.

Model 353 Process Controller

Type:  Controller
Description:  The 353 is a stand-alone, panel-mounted, industrial controller that can serve as a simple single loop or as a multi-loop with complete continuous and ladder logic capability for small unit batch or continuous process. The controller includes a variety of built-in I/O, I/O can be extended using remote Ethernet Modbus TCP modules.
Connectivity:  Modbus, Modbus TCP
Features:  Multiple loop capabilities for indication, control, logic, or sequencing;Ethernet networking option; RS485 Modbus network connection allows multi-drop wiring; Local Instrument Link (LIL) networking option provides integration with existing systems; Removable Real-Time Clock/Configuration Board (RTC/CB) option minimizes maintenance and complexity via a simple board replacement technique that stores a complete copy of the control strategy configuration; Graphical configuration program provides a choice of function block or ladder logic configuration
Specifications:  Short case design allows mounting in 12" deep cabinets; Coated circuit boards for environmental integrity; Power Supply: Standard: 120/240 Vac (85 to 264 Vac); 47 to 63 Hz; Optional: 24 Vdc, +20%, -15%; Power Requirements: 25 Watts, 40 VA (max.) 2-Wire Transmitter Power; Voltage: 25 Vdc ±3V; Current: 120 mA, short circuit protected