ELECTRONIC TECHNOLOGIES
ENVIRONMENTAL PROTECTION

 CODE
ESA Electronic
BUS-SYSTEM - MASTER UNIT WITH DIFFERENTIAL PRESSURE CONTROL: Ex22DSA1 (ATEX ZONA 22)
 
ESA CODE by model Ex22DSA1   ATEX
 
 
  Select power supply voltage A3a - Relay K1 Cycle ON / OFF contact. Closed with active cycle  
  C11a - 4÷20 mA output signal of dP reading  
Output voltage for solenoid valves U = 24 VDC        
 
 
 
 
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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
B10a Manual activation of each single output from the keyboard
B1a 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
B9b Short-circuit protection of every single output for sequencer P
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
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 ÷ 60 Hz - 24 VDC
  • Operating temperature: - 10 ÷ + 50 °C (Standard)
  • 1 serial BUS (12 remote units)
  • Voltage electrovalves: 24 VDC
  • Manuals available in Italian, English, French, German,Spanish
  • For other languages contact the Technical Department