| RDT 724: Ctrlr vent. air cond communic., universal
How energy efficiency is improved
Option of communication with a management level or other devices at automation level via an open protocol for the exchange of data for energy-efficient operation of the system.
Areas of application
Universal use in ventilation, air-conditioning and heating systems or in similar applications.
Properties
- Communicative ventilation and air-conditioning controller
- 2-line plain text display with backlighting
- Easy operator guidance with 4 buttons
- 18 different basic models for continuous supply air and cascade control
- Expansion level with PLC functionality
- Weekly and annual switching program with automatic summertime/wintertime changeover
- Manual mode
- Option of connecting various setpoint adjusters
- PC software for parameterisation
Technical description
- Housing made of flame-retardant, black thermoplastic
- 8 analogue inputs Ni1000 or 0 - 10 V and 4 digital inputs
- Multiplication of measured values
- PID control
- 6 analogue outputs (0 - 10 V) and 6 relay outputs
- Protected SERVice level with adjustable control parameters
- Sequencing, limiting and reset functions, as well as measuring and time functions
- Free outside cooling and energy recovery
- Frost protection function and c/o input
- Communication via Modbus RTU, can be parameterised as master or slave
- Suitable for mounting on top-hat rail as per EN 60715
- Electrical connection with plug terminals for wires up to 2.5 mm²
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