panel-mount programmable logic controller / Modbus

TROVIS 5571 Programmable Logic Controller:
for freely programmable HVAC plants and applications ? Modbus and meter bus interface

? Freely programmable according to IEC 61131 using ISaGRAF?
? Fully graphic, illuminated display plain text display
? Convenient data input
? 17 universal inputs individually configurable
? Modbus communication over Modbus master and slave function
? Alarm notification by fax or text message
? Other inputs and outputs available by connecting an expansion module
? Standard applications:
? WTF71: heat exchanger sequence control
? Luft71: ventilation control
? KES71: boiler control