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