ESA ELETRONIC ENGINEERING

ELECTRONIC TECHNOLOGIES
ENVIRONMENTAL PROTECTION

 CODE
 
ESA Electronic - ASCO
SEQUENCER WITH DIFFERENTIAL PRESSURE CONTROL: Ex22DC (ATEX ZONA 22)
 
ESA CODE by model Ex22DC   ATEX
 
 
  Select number of outputs A1c - Minimum (K3) and maximum (K2) dP alarms on separate relays  
  C11a - 4÷20 mA output signal of dP reading  
  Select power supply voltage PF - Filtered connections  
  G2 - Control of 2 solenoid valves on each output (2 x 25 W Max)  
  Select voltage for solenoid valves
       
 
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Info Code Description
 
A1a Minimum and maximum dP alarms on same relay (K2)
A2a Relay Voltage ON (K1)
AL1 Alarm relay contacts open
B10 Manual activation of each single output from the keyboard
B1b Select Number of outputs
  B2x Activation time from 0.05 to 5.00 sec.
B3c Interval time between ev. during post-cleaninges
B3x Interval time from 1 to 999 sec.
B8b Short-circuit protection of every single output
C0 Input activation from external contacts
C1 Digital differential pressure control (STOP at cycle end)
C13_10 dP full range 10.00 kPa = 100.0 mbar = 1012 mmH2O.
C4 Cleaning cycle
C4a Automatic operation mode
C4b Manual operation mode
C7c1 Minimum dP alarm. Contact open with alarm. Automatic reset.
C7d1 Maximum dP alarm. Contact open with alarm. Automatic reset.
C8 dP zero reading regulation
D14a Operation hours-counter
D1b1 Additional post-cleaning cycles from dP reading . Activation at STOP.
D5a Consent from external compressed air pressure switch
D6a ON/OFF cleaning cycle from external contact
  DPa Bulkhead 6x4 RILSAN pipe
  G1 Maximum load power 25W per output
HVB Input and output voltage selection (WARNING See B8c)
SL Multi language display
 
  • LCD alphanumeric display 32 characters multilanguage
  • Italian, English, French, German, Spanish
  • Supply voltage: 115 VAC ÷ 230 VAC / 50 ÷ 60 Hz (Standard)
  • Supply voltage (On request): 24 VAC / 50
  • Voltage electrovalves: 24 VAC, 115 VAC, 230 VAC / 50 ÷ 60 Hz, 24 VDC
  • Operating temperature: - 10 ÷ + 50 °C (Standard)
  • Manuals available in Italian, English, French, German,Spanish
  • For other languages contact the Technical Department