Table of Contents
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DOCUMENTATION INDEX
1.1
Description
2.1
Standard features (List)
2.2
Standard features (Details)
3.1
Installation rules and security
4.1
Technical features
5.1
Enter data in set mode
6.1
Display indications in operation
7.1
Display indications with alarm
8.1
Information and guide on the display
9.1
Wiring Diagram
10.1
Electronic board size and voltage settings
11.1
Enclosure dimensions
12.1
Problems solutions
13.1
Warranty
14.1
Certificates
1.1 DESCRIPTION
Master unit for BUS SYSTEM for dedusting plant cleaning cycle control with digital dP control by internal transducer.
2.1 STANDARD FEATURES
A1a
Minimum and maximum dP alarms on same relay (K2)
A2a
Relay Voltage ON (K1)
B10a
Manual activation of every single output from keyboard
B1a
Select Number of outputs
B2x
Activation time from 0.05 to 5.00 sec.
B3c
Interval time between ev. during post-cleaning
B3x
Interval time from 1 to 999 sec.
B8b
Short-circuit protection of every single output
B9b
Electric control of output activation
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 readout regulation
D14a
Operation hours-counter
D1b1
Additional post-cleaning cycles from dP readout. Activation at STOP.
D5a
Consent from external compressed air pressure switch
D6a
ON/OFF cleaning cycle from external contact
G1
Maximum load power 25W per output
SL
Multi language display
Code:
Ex22DSA : ATEX - Zone 22
GENERIC DOCUMENTATION. THE SPECIFIC DOCUMENTATION IS ATTACHED TO THE SEQUENCER
MASTER UNITS BUS SYSTEM
II 3D Ex tc IIIC IP65 T100°C
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Summary of Contents for ESA Ex22DSA
- Page 1 Consent from external compressed air pressure switch ON/OFF cleaning cycle from external contact Maximum load power 25W per output Multi language display II 3D Ex tc IIIC IP65 T100°C Code: Ex22DSA : ATEX - Zone 22 GENERIC DOCUMENTATION. THE SPECIFIC DOCUMENTATION IS ATTACHED TO THE SEQUENCER...
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Page 2: Standard Features
2.2 STANDARD FEATURES The presence of options on request could nullify or modify the operating of standard features. Code Description Minimum and maximum dP alarms on same relay (K2) Minimum and maximum dP alarms act on the same relay. The display will specify the type of alarm. Relay Voltage ON (K1) If the device is supplied, relay K1 is activated and the terminal board contact is closed. - Page 3 2.2 STANDARD FEATURES Code Description Automatic operation mode By keyboard in Setup it is possible to select the operation mode. In automatic mode, the controls of the fan, the dP, C6 and D5 are active and the activation of the cleaning cycle will depend on such functions. Manual operation mode By keyboard in Setup it is possible to select the operation mode.
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Page 4: Technical Features
3.1 INSTALLATION RULES AND SECURITY Protect the device against the direct exposure to the sun. Avoid arranging the device in the proximity of or in direct contact with any source of heat and electromagnetic field. Connect the device on supply lines different from those used for motor drives or other devices that may cause some noise on the net. - Page 5 5.1 ENTER DATA IN SET MODE SETUP / DISPLAY DESCRIPTION Range Code Default LANGUAGE SEL. Display language selection ENGLISH DIGITAL INPUTS ENABLE / DISABLE inputs from external contacts DISABLE OPERATION Operation Mode selection AUTOMATIC / MANUAL MANUAL PULSE TIME Pulse time from 0.05 to 5.00 sec. 0.05÷5.00 B2x 0.50 sec.
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Page 6: Setup / Display
5.1 ENTER DATA IN SET MODE SETUP / DISPLAY DESCRIPTION Range Code Default MAX dP ALARM Maximum dP alarm threshold. 0.01÷9.99 C7d1 3.00 C7d1 3.00 kPa... - Page 7 6.1 DISPLAY INDICATIONS IN OPERATION DISPLAY DESCRIPTION Code 1.06 kPa (M) Differential pressure reading and manual running mode (M) 010 mg/mm³ (A) TC Probe reading and automatic running mode (A). TC Probe reading is option on request. START CONTACT Cycle stop since no remote start D6a OPEN Cycle stops waiting for fan start or dP under set fan threshold (See SET 11 section 5.1)
- Page 8 7.1 DISPLAY INDICATIONS WITH ALARM DISPLAY DESCRIPTION Code OVERLOAD Overload alarm solenoid valves 3 ELECTROVALVE 003 ACT. FAILED Solenoid valve not activated - Solenoid valves 03 (option on request) B9x/B6x ELECTROVALVE 003 COMPR. AIR Cycle stop since no consent from compressed air pressure switch LACK D5a OPEN MAXIMUM Maximum dP alarm active.
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Page 9: Wiring Diagram
9.1 WIRING DIAGRAM... - Page 10 10.1 ELECTRONIC BOARD SIZE AND VOLTAGE SETTINGS...
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Page 11: Enclosure Dimensions
11.1 ENCLOSURE DIMENSIONS... -
Page 12: Warranty
12.1 PROBLEMS SOLUTIONS DEFECT POSSIBLE CAUSE SOLUTION Display OFF Fuse burnt. Check the protection fuse on supply line. Supply voltage. Check if supply voltage is present and if it agrees with supply voltage needed by the Jumper for input voltage selection device (clamps 1 and 2). - Page 13 Company name / Company name: ESA Electronic Engineering Postal address / Postal address: Via Kennedy, 28 Postcode and City / Postcode and City: 20010 Mesero (MI) Telephone / Telephone: +39 02 972 89 899 E-Mail address / E-Mail address: esa@esaelectronic.it...
- Page 14 II 3D Ex tc IIIC IP65 T100°C ADDITIONAL INSTALLATION RULES (ATEX ZONA 22) The ATEX certification decade in case of every type of modifications of the original device that are not done by the manifacturer All the electrical wiring must be done according to the Europen rule EN 60079-14 In case of faulty that does not depend only to the fuse, switch off immediately the supply voltage and contact the supplier.
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