EVDRIVE

EVDRIVE

Driver for bipolar and unipolar stepper electronic expansion valves and pulse valves.
EVDRIVE is a range of drivers for the management of stepper bipolar (up to 2) and unipolar electronic expansion valves and pulse valves.
Models for bipolar EEVs come in 4-DIN format, both in a blind version or with built-in user interface (with graphic LCD display and 6 keys), while models for unipolar and pulse EEVs come in an open frame board. A remote user interface in the EPJgraph series can be connected to all models with a CAN port.
The drivers can manage both generic electronic expansion valves and the more common stepper valves on the market; they can also be used as a simple analog positioner and can work both on a stand alone basis or managed by an EVCO or third-party controller (thanks to a variety of available communication ports), guaranteeing an increase in the efficiency of the refrigerating circuit.
Some models for bipolar EEVs can have optional Wi-Fi connectivity to enable remote monitoring and interaction from the EPoCA cloud system. The models for unipolar EEVs and pulse valves, besides being compatible with the EPoCA remote management, can be easily configured and viewed on site form the mobile app EVconnect (available on request with the Bluetooth Low Energy connectivity module).
Technical sheet
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Advantages & Main Features

Compatibility with the most diffused electronic expansion valves on the market.
Increase in the efficiency of the refrigerating circuit.
Variety of communication ports and supported communication protocols, to promote the integration of the drivers in control solutions.
Option for remote management via cloud platform EPoCA
Models with integrated user interface or in blind version.

Technical Features

Driver for bipolar stepper electronic expansion valves

Bipolar
EPD4BX3EPD4BC3EPD4BF3EPD4DF3EPD4BX6EPD4BC6EPD4BF6EPD4DF6EPD4BS7EPD4BC7EPD4DC7EPD4BT7EPD4DT7
Version
blind    
built-in LCD (128 x 64 pixel single colour LCD graphic display)         
Connections
removable screw terminal blocks
Power supply
24 VAC/DC not isolated
Analog inputs
configurable (NTC/Pt 1000/0-20 mA/4-20 mA)    1111     
configurable (NTC/Pt 1000/0-20 mA/4-20 mA/0-5 V ratiometric)2222111122244
suction temperature probe (NTC/Pt 1000)1111111122244
evaporation pressure probe (0-20 mA/4-20 mA/0-5 V ratiometric/0-10 V)11111111     
Digital inputs (for NA/NC contact)
configurable (dry contact)2222222233366
configurable (high voltage) 111 111     
Digital outputs (electromechanical relays; res. A @ 250 VAC)
5 A SPST11111111     
5 A SPDT        11122
Valve control output
for stepper bipolar EEVs1111111111122
Communication ports
INTRABUS        
TTL MODBUS    
MODBUS slave RS-485    
CANBUS CAN   
USB    
Connectivity
Wi-Fi EPoCA/MODBUS TCP (optional through the EVlinking Wi-Fi module)        
  
Notes
None.
  
Available options
None.

Driver for unipolar stepper and pulse electronic expansion valves

UnipolarPulse
EPD2OU5EEPD2OP5EEPD2OQ5E
Version
open-frame board
Power supply
12 VAC
Analog inputs
suction temperature probe (NTC/Pt 1000)
evaporation pressure probe (0-20 mA/4-20 mA/0-5 V ratiometric/0-10 V)
Digital inputs (for NA/NC contact)
valve enabling (dry contact)
Digital outputs (electromechanical relays; res. A @ 250 VAC)
configurable (5 A SPST)  
Valve control output
for stepper unipolar EEVs  
for pulse valves with 230 VAC power supply  
for pulse valves with 24 VAC power supply  
Communication ports
INTRABUS
TTL MODBUS
MODBUS slave RS-485
Connectivity
Wi-Fi EPoCA/MODBUS TCP (optional through the EVlinking Wi-Fi module)
Bluetooth Low Energy for EVconnect app (optional through the EVlinking BLE module)
  
Notes
None.
  
Available options
None.
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