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Programmable Logic Controller (PLC) TROVIS 5571

Type:  Controller
Description:  PLC designed for heating, ventilation and air-conditioning systems. Modbus master interface for communication with other Modbus instruments (e.g., TROVIS 5576, 5579).
Connectivity:  Modbus
Features:  Programmable according to IEC 61131 using ISaGRAF?; Six programming languages (Ladder Diagram, Function Block Diagram, Structured Text, Instruction List, Flow Chart, Sequential Function Chart); Fully graphic, illuminated display with input and plain text displayed; Predefined default functions/function modules; Over 50 special functions/function modules for extensive program generation in HVAC applications; Analog inputs, binary inputs, analog outputs, binary outputs and meter bus; Universal inputs individually configurable; Sensor calibration for each sensor input; Binary inputs can be added to the error status register; Modbus communication over Modbus master function and Modbus slave function; Modbus slave connection, also over modem (RS-232); Fax or SMS alarms configurable; Meter bus communication with maximum three meters; Flash EPROM.
Specifications:  See attached spec. sheet.