ESA DC Manual Download Page 1

SEQUENCER FOR DEDUSTING PLANTS

DOCUMENTATION INDEX

1.1

Description

2.1

Standard features (List)

2.2

Standard features (Details)

2.3

Option on request

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

Sequencer 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)

AL1

Alarm relay contacts open

B10

Manual activation of every single output from keyboard

B1b

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

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

HVB

Input and output voltage selection

SL

Multi language display

Code:

DC

Voltage IN / OUT:

115 VAC - 230 VAC (24 VAC - 24 VDC On Request)

Max Nr. Output:

32

GENERIC DOCUMENTATION. THE SPECIFIC DOCUMENTATION IS ATTACHED TO THE SEQUENCER

Summary of Contents for DC

Page 1: ...ct 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 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 d...

Page 2: ...ction range is the same as the inteval time in standard operation mode B3x B3x Interval time from 1 to 999 sec If the pulse time is lower than 1 sec it is possible to set any interval time value in the range indicated If the activation time is higher than 1 sec the minimum settable interval time is Minumum interval time 5 times pulse time B2x B8b Short circuit protection of every single output In ...

Page 3: ...r number can be set from 0 to 99 by keyboard The sequencer will automatically recognise the fan state by comparing the dP readout with the threshold in set code 11 dP set 11 fan on dP set 11 fan off Post cleaning cycles are activated even if dP 0 When the fan is off or dP set 11 the display shows FAN STOP The display shows POST CLEANING ACT during additional cycles and if there is no alarm Post cl...

Page 4: ...k probe to the device it is possible to keep under control the dust emission in the duct The TC probe management contain some function and possible alarm situations that allow to find if there is a broken bag or a continuos emission over a set threshold If there is an alarm situation the relay K2 indicate it and on the display it is possible to check the kind of alarm For further information read ...

Page 5: ... threshold set up in Setup for 3 consecutive cycles this will trigger the E3 alarm for broken bag see alarm description and the solenoid valve that has caused the emission will be excluded from the cleaning cycle One single solenoid valve at a time can be excluded from the cleaning cycle In the example shown by the graph the sensitivity is set to 5 and activation of the electrovalves 3 for 3 conse...

Page 6: ...essed in mg m3 The display will show the numeric value corresponding to a 20 mA signal from the TC probe 20 default value For this regulation you shall enter a well known dust quantity in the duct e g 10 mg m3 and check the readout of the operating equipment on the display e g 15 Press key B and D in set up function 22 at the same time The display will show L TC READOUT and 001 mg m3 Press key A a...

Page 7: ...oltages applicable to the relay contacts follow the current rules 3 10 For all input control signals to the Timer D1a D5 D6 use anti flame wires with a minimum section of 0 5 mm 3 11 For the electrical connection of the supply voltage and filter cleaning electrovalves use anti flame wires with a minimum section of 0 75 mm For output relay contacts use anti flame wires with a minimum section of 1 5...

Page 8: ...001 999 B3c 5 sec 06 POST CYCLES D1x 002 cycles Number additional cycles after fan stop 00 99 D1x 5 07 ELECTROVAL N B1b 016 ev Selection Number of electrovalves B1b 08 EV TEST B10 001 OFF TEST Manual activation of every single ev from keyboard B10 09 HOURS COUNTER D14a 00000 Hours Operation hours counter 0 65535 D14a 10 ZERO dP ADJ C8 0 00 kPa dP zero readout regulation C8 0 00 11 FAN THRESHOLD D1...

Page 9: ...SETUP DISPLAY DESCRIPTION Range Code Default 15 MAX dP ALARM C7d1 3 00 kPa Maximum dP alarm threshold 0 01 9 99 C7d1 3 00 18 EV VOLTAGE HV Vout 24 V Threshold adjustment for option B8x correct operating See jumper JP2 position HV ...

Page 10: ...2c 050 mg m3 Continuous emission alarm threshold 1 99 D12b1 24 SENSITIVITY D21 5 06 mA Sensitivity for broken bag check 0 9 D21 26 TC MEAN TIME D19 010 sec TC probe signal readout average time 1 60 D19 27 mA TC READING D20 04 0 mA TC output current in mA D20 L TC READING 001 mg m3 TC reading on display during test for mg m3 adjustment Press D and B See D18 1 99 D18 A REAL EMISSION 001 mg m3 Real T...

Page 11: ...DICATIONS WITH ALARM DISPLAY DESCRIPTION Code E1 OVERLOAD ELECTROVALVE 003 Overload alarm solenoid valves 3 B8b E2 ACT FAILED ELECTROVALVE 003 Solenoid valve not activated Solenoid valves 03 option on request B9x B6x ...

Page 12: ...ove the set threshold D12c E5 PROBE SIGNAL D12c TRIBO 2mA TRIBO CHECK probe signal below 2 mA D12c E6 COMPR AIR LACK D5a OPEN Cycle stop since no consent from compressed air pressure switch D5a E7 MAXIMUM dP ALARM Maximum dP alarm active dP reading over SET 15 See section 5 1 C7d E8 MINIMUM dP ALARM Minimum dP alarm active dP reading under SET 12 See section 5 1 C7c 8 1 INFORMATION AND GUIDE ON TH...

Page 13: ...9 1 WIRING DIAGRAM ...

Page 14: ...10 1 ELECTRONIC BOARD SIZE AND VOLTAGE SETTINGS ...

Page 15: ...11 1 ENCLOSURE DIMENSIONS ...

Page 16: ...onnection from the device to the filter The cleaning cycle do not run in according to the set value The memory of the microprocessor could be modified by external factor Switch Off the supply voltage of the sequencer Hold down key A and switch on the supply voltage By means of this operation the default data are loaded in set up Adjust the zero dP reading and the other parameters according to the ...

Page 17: ... The object of the declaration described above is in conformity with the relevant Union harmonisation legislation The object of the declaration described above is in conformity with the relevant Union harmonisation legislation Directives 2014 30 UE 2014 35 UE and 2011 65 UE Directives 2014 30 UE 2014 35 UE and 2011 65 UE The following harmonised standards and technical specifications have been app...

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