EVK

EVK

Indicators, step controllers and timers
EVK is a range of indicators, step controllers (both of them by temperature, relative humidity and pressure) and timers.
They are available in compact version, in the standard size 74 x 32 mm; the user interface consists of a custom display (with decimal point and function icons), three or four keys and guarantees an IP65 protection rating, for easy cleaning.
Some controllers have the neutral zone operation and the differential operation; all the timers have the count up/count down and the count storing functions.
To program the indicators it is also necessary to use the EVKEY programming key.
Installation is by panel, with snap-in brackets.
Technical sheet
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Advantages & Main Features

Variety of models for different typologies of applications.
IP65 protection.
Models with dedicated and multi-input analog input.
Models with communication port for EVKEY programming key and for other EVCO products.
Distributor-oriented models.
Standard size 74 x 32 mm.
Fixed or plug-in screw terminal blocks.
Models with heating/cooling operation.
Models with neutral zone operation.
Models with “lock keyboard” function.

Technical Features

Temperature indicators

EVK100P7EVK100J7EVK100C7EVK100Z7EVK100I7EVK100V7EVK100M7
Power supply
230 VAC
Analog inputs
room probe (PTC/NTC)      
room probe (J/K)      
room probe (2/3 wires Pt 100 and Ni 120)      
room probe (2/3 wires Pt 1000)      
room probe (0-20/4-20 mA)      
room probe (0-10/2-10 V)      
room probe (multi-input) (1)      
Communication ports
for EVKEY programming key 
MODBUS TTL, for EVKEY programming key and for other EVCO products      
Other features
decimal point
  
Notes
(1)configurable for PTC/NTC, J/K, 2/3 wires Pt 100 and Ni 120, 2/3 wires Pt 1000, 0-20/4-20 mA and 0-10/2-10 V.
  
Available options
None.
Working range
--50... 150 °C for PTC probe
--40... 110 °C for NTC probe
--100... 800 °C for J thermocouple
--100... 1,300 °C for K thermocouple
--200... 650 °C for Pt 100 and Pt 1000 probe
--80... 300 °C for Ni 120 probe.

Relative humidity and pressure indicators

EVK500I7
Other features
decimal point
Power supply
230 VAC
Analog inputs
room probe (0-20/4-20 mA)
Communication ports
for EVKEY programming key
  
Notes
None.
  
Available options
None.

1 step temperature controllers

EVK401P7EVK411P7EVK411J7EVK411M7EVK421P7EVK421J7EVK421M7
Analog inputs
room probe (multi-input) (1)     
room probe (PTC/NTC)    
room probe (J/K)     
Digital inputs (for NA/NC contact)
multipurpose    
Digital outputs (electromechanical relays; res. A @ 250 VAC)
load16 A16 A16 A16 A16 A16 A16 A
Other features
cooling/heating operation
defrost management 
Power supply
230 VAC
  
Notes
(1)configurable for PTC/NTC, J/K, 2/3 wires Pt 100 and Ni 120, 2/3 wires Pt 1000, 0-20/4-20 mA and 0-10/2-10 V.
  
Available options
-alarm buzzer (not available in model EVK401)
-MODBUS TTL port, for EVKEY programming key and for other EVCO products (not available in model EVK401).

1 step temperature controllers with alarm relay

EVK402J7EVK402M7EVK402P7
Digital outputs (electromechanical relays; res. A @ 250 VAC)
load16 A16 A16 A
alarm888
Other features
cooling/heating operation
Power supply
230 VAC
Analog inputs
room probe (PTC/NTC)  
room probe (J/K)  
room probe (multi-input) (1)  
Digital inputs (for NA/NC contact)
multipurpose
  
Notes
(1)configurable for PTC/NTC, J/K, 2/3 wires Pt 100 and Ni 120, 2/3 wires Pt 1000, 0-20/4-20 mA and 0-10/2-10 V.
  
Available options
-alarm buzzer
-MODBUS TTL port, for EVKEY programming key and for other EVCO products.

2-step temperature controllers

EVK412P7EVK412J7EVK412M7
Power supply
230 VAC
Analog inputs
room probe (PTC/NTC)  
room probe (J/K)  
room probe (multi-input) (1)  
Digital outputs (electromechanical relays; res. A @ 250 VAC)
load 116 A16 A16 A
load 28 A8 A8 A
Other features
cooling/heating operation
neutral zone operation
  
Notes
(1)configurable for PTC/NTC, J/K, 2/3 wires Pt 100 and Ni 120, 2/3 wires Pt 1000, 0-20/4-20 mA and 0-10/2-10 V.
  
Available options
-alarm buzzer
-MODBUS TTL port, for EVKEY programming key and for other EVCO products.

2-step temperature controllers with alarm relay

EVK403P7EVK403J7EVK403M7
Power supply
230 VAC
Analog inputs
room probe (PTC/NTC)  
room probe (J/K)  
room probe (multi-input) (1)  
Digital inputs (for NA/NC contact)
multipurpose
Digital outputs (electromechanical relays; res. A @ 250 VAC)
load 18 A16 A16 A
load 28 A8 A8 A
alarm8 A8 A8 A
Other features
cooling/heating operation
neutral zone operation
  
Notes
(1)configurable for PTC/NTC, J/K, 2/3 wires Pt 100 and Ni 120, 2/3 wires Pt 1000, 0-20/4-20 mA and 0-10/2-10 V.
  
Available options
-alarm buzzer
-MODBUS TTL port, for EVKEY programming key and for other EVCO products.

4-step temperature, relative humidity and pressure controllers

EVK404N9
Power supply
115... 230 VAC
Analog inputs
room probe
auxiliary probe
Digital outputs (electromechanical relays; res. A @ 250 VAC)
load 116 A
load 28 A
load 38 A
load 48 A
Other features
cooling/heating operation
neutral zone operation
differential operation
“soft start” function
“work program” function
alarm storing
Digital inputs (for NA/NC contact)
multipurpose 1
multipurpose 2
  
Notes
None.
  
Available options
-alarm buzzer
-MODBUS TTL port, for EVKEY programming key and for other EVCO products
-port for EVT100 remote indicator.

1-step relative humidity and pressure controllers

EVK521I7
Power supply
230 VAC
Analog inputs
room probe (0-20/4-20 mA)
Digital inputs (for NA/NC contact)
multipurpose
Digital outputs (electromechanical relays; res. A @ 250 VAC)
load16 A
Other features
direct/reverse operation
  
Notes
None.
  
Available options
-alarm buzzer
-MODBUS TTL port, for EVKEY programming key and for other EVCO products.

2-step relative humidity and pressure controllers

EVK512I7
Power supply
230 VAC
Analog inputs
room probe (0-20/4-20 mA)
Digital outputs (electromechanical relays; res. A @ 250 VAC)
load 116 A
load 28 A
Other features
direct/reverse operation
neutral zone operation
  
Notes
None.
  
Available options
-alarm buzzer
-MODBUS TTL port, for EVKEY programming key and for other EVCO products.

1-output timers

EVK701D7EVK711D7EVK721D7
Power supply
230 VAC
Digital inputs (for NA/NC contact)
start
stop
Digital outputs (electromechanical relays; res. A @ 250 VAC)
load8 A8 A8 A
Other features
bicolor display 
real time clock  
alarm buzzer
count up/count down
“programmed daily switch on” function  
working range0... 99 h:59 min0... 99 h:59 min0... 99 h:59 min
count storing
  
Notes
None.
  
Available options
MODBUS TTL port, for EVKEY programming key and for other EVCO products.

2-output timers

EVK702D7EVK712D7EVK722D7
Power supply
230 VAC
Digital inputs (for NA/NC contact)
start
stop
Digital outputs (electromechanical relays; res. A @ 250 VAC)
load 18 A8 A8 A
load 28 A8 A8 A
Other features
bicolor display 
real time clock  
alarm buzzer
count up/count down
“programmed daily switch on” function  
working range0... 99 h:59 min0... 99 h:59 min0... 99 h:59 min
count storing
  
Notes
None.
  
Available options
MODBUS TTL port, for EVKEY programming key and for other EVCO products.
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