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INTELIGENT ENERGY SAVING

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IES - Intelligent Energy Saving is the management algorithm of efficient power, the completion of an advanced regulation system, that when applied to the control…

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PROBLEM SOLVED

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What is a problem for the customer, is an opportunity for SELPRO. The collection of customer issues resolved by SELPRO products.

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CLIMA-SINERGY

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Designed to interact with SELPRO regulators and ventilation systems, the software collects operating parameters and then analyses and modifies them to optimise system performance during…

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ECN

Digital unit for the control of motorized actuators with control signal 0(1)-10Vdc

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Working modes


The controller operates in Master mode: reads the signals from the selected input, compares it with the set-point, and adjusts the speed of the fans
the control can be programmed to operate in two different Master modes:
  • PI with "IES" technology to maintain the controlled variable (eg temperature, pressure) at the set value (set-point)
  • P (Proportional) to maintain the controlled variable (eg temperature, pressure) within the proportional band.
The regulation can be Direct (DIR) or Reverse (REV).

The alarm System is visible on the LEDS, for signaling anomalies that do not stop the plant.

You can select an offset for the analog output (about 0.75 V), which allows the activation of the emergency speed on the fans, in the case of interruption of the control cable 0-10V.

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What's


Digital controller, simpler and functionally, with user-friendly design of the operating point through two switches, to control through 0 (1)-10V: EC motors, valves and dampers.
Is provided through the LEDs of the visual indication of system status and alarm setting.
There are three (3) different models, with two inputs for :
1 x 4-20mA transducer + 1 x NTC probe,
2 x 4-20mA transducers,
2 x NTC probe.
The selection between the two inputs is automatic, depending on the greater in value

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Applications

The EC-basic controller, can be used in all those plants where are used: EC motors or servo actuators controlled by signal 0(1)-10V.

Dati ECN

DC voltage power supply 20-24Vdc ±10%
  
Driving Command 0-10Vdc
  
Control Technology digital
  
Case IP Grade IP55
IP00 din rail
  
Conforms to the following standards Standard EN 61800-3 (directive 2004/108 CE)
Standard EN 50178 (directive 2006/95 CE)
Standard EN 60204-1 (directive 2006/95 CE)
  
Display and settings rotary switches with 13 stable positions
programming dip switches
signaling leds
  
Control Function PI master, IES technology
proportional master (P)
 
Number of working parameter set 1
  
Control Parameters set-point
  
Special Features cable break (only with EC fans with Modbus)
direct / reverse mode selection
automatic reset
  
commands analog input 2
  
Analog input type 4-20mA
NTC 10KOhm 25°C
  
Transducer type 0°C...+70°C
4...20mA (the conversion depends on the scale bar at the transducer)
  
Auxiliary power supply 20-24 Volt ±10%
  
Protections transient suppressors on analog signal
transient suppressors on power supply
probe failure
  
Work temperature -10°C...+50°C
  
Storage temperature -20°C...+80°C