SEFRAM SEQUENCER EC8-18 Manuel utilisateur

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Technical brochure

FI 72.0540.0920E

Page 1 of 12

PLACE GUTENBERG - 59175 TEMPLEMARS (France)

Tel: +33(0)3 20 60 49 49 - Fax: +33(0)3 20 95 59 62

Email: contact@sefram.eu Web: www.sefram.eu

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FI 72.0540.0920E

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SUMMARY :

DESCRIPTION :

The EC8-18 is an adjustable device for control and full

automatization of declogging equipment, whose declogging is done

by pressured air injections.

It can perform the function of declogging sequence

It has :

- Up to 18 outputs for connecting solenoid valves depending

on the version.

- There are two versions: 8 outputs or 18 outputs.

- An electrical fault check.

- 1 digital input AON (loop control)

- 1 relay output for fault report.

The device can be configured according to use.

All the operating parameters can be viewed and adjusted on the

front of the device using keys and on a red LED display.

The evolution of the declogging cycle, operating faults are

displayed and detailed.

Page

- DESCRIPTION

- CHARACTERISTICS

- DIMENSIONS AND FIXATION

- PROTECTION AND

CONNECTIONS

- FRONT FACE

- SETTINGS AND

OPERATION

- PRECAUTIONS

- WARRANTY

- CONFORMITY

- GENERAL INSTRUCTIONS OF

SAFETY, ASSEMBLY,

COMMISSIONNING AND

MAINTENANCE

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FI 72.0540.0920E

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CHARACTERISTICS :

- Supply voltage (nominal voltage) :

AC Version: 115V or 230V 10 % 50-60 Hz

DC Version: 24V

- Consumption (nominal current) maxi:

5VA + SV consumption

- Protection:

by fuse 5x20mm

rating according to supply voltage (see table 1)

- Solenoid valve voltage:

According to supply voltage (see table 1)

AC Version : 24V, 115V ou 230V

DC Version : 24V

Pmax :25 VA / 25 W

- AON inputs characteristics:

voltage : 24VDC supplied by the device

Load current +/- 1mA

- Relay contact characteristics :

Dry contact. max: 250V /1A

(to be protected by user)

- operating temperature :

-20° to 60°C

- Storage temperature :

-20° to 70° C

- Case :

Material ABS - IP65

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- maxi outputs quantity

According version : 8 or 18

- activation time of an output (T1)

from 3/100th to 255/100th of a second

- idle time between two outputs (T2)

from 1 to 255 seconds

- forced declogging time (T4)

from 0 to 255 hours

- Number of cycles if fan stopped

from 0 to 255 cycles

- Number of cycle in manual operation

from 0 to 255 cycles

Table 1: supply voltage / solenoid valve / fuses

Supply voltage

230VAC

115VAC

24VDC

Solenoid valve voltage Pmax: 25VA / 25W

230VAC

24VAC

24VDC

115VAC

24VAC

24VDC

F1 fuse rating

1.6A

F2 fuse rating

1.6A

F3 fuse rating

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DIMENSIONS AND FIXATION:

1 2 3 4 5 6

Cable glands

ISO16b : supply

ISO20 : multi-conductor cable SV outputs

(only if 18 SV version)

ISO20 : multi-conductor cable SV outputs

(only if 18 SV version)

ISO20 : AON input

ISO20 : relay output

Glands clamping capacity :

ISO 16b

From 5 to 10 mm

ISO 20

From 7.5 to 13 mm

Can be fixed on a rail

(optional kit) RAIL AXIS

→see detail

FIXATION

DEVICE VIEW FROM BEHIND

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Three mounting possibilities:

PROTECTION AND CONNECTIONS:

It is possible, depending on the version of the box, to modify the supply voltage and the voltage of the solenoid valves

by positioning jumpers on the electronic board.

The jumpers are set at the factory for a supply voltage and a solenoid valve voltage corresponding to the version

ordered.

Check or position the jumpers according to the desired voltages.

The jumpers are accessible after removing the front panel.

The connection terminal blocks are accessible after removing the connection cover (lower part of the box).

Warning: changes of jumpers and connections must be made with the power off

Version 230VAC/24VAC

Version 230VAC/230VAC

Version 115VAC/24VAC

Version 115VAC/115VAC

Accessible after removing the front panel:

Output protection :

Size 5x20

See table 1 page 3

Choice of output power supply:

Same as general supply: 24V :

General supply

choice :

230V : 115V :

I. With screws through the case.

II. By means of fixings in the corners or in the middle

(optional kit).

III. By DIN-rail mounting (optional kit).

1°) Push the locking stops into place.

2°) Hang the housing on the DIN rail.

3°) Turn the locking stops up behind the DIN rail.

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Version 230VAC/24VDC

Version 115VAC/24VDC

Version 24VDC/24VDC

No adjustment possible

CAUTION: A change in the supply voltage and / or solenoid valve voltage requires updating the identification

label placed on the outside of the box.

Output protection :

Size 5x20

See table 1 page 3

General supply

choice :

230V : 115V :

Accessible after removing the front panel:

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Connection 18EV version:

Connection 8EV version:

Power supply terminal clamping capacity : 2,5 mm².

Terminal clamping capacity SV and K1 and I1 : 1,5 mm².

General

supply

General protection:

2 fuses

Size 5x20

See table1 page3

SV connection

AON input I1:

"loop control"

Relay output:

"Electrical fault"

General protection:

2 fuses

Size 5x20

See table1 page3

SV connection

AON input I1:

"loop control"

Relay output:

"Electrical fault"

If AC

If DC - +

if AC

if DC -+

General

supply

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FRONT FACE :

SETTINGS AND OPERATION:

The various parameters are adjusted as follows:

- Press the "SELECT" key until the yellow "menu" led lights up in front of the parameter to be set and press the "+"

and "-" keys to obtain the desired value.

- Then return to the "CYCLE" position using the "SELECT" key. Each parameter is saved in a memory when going

to the next step or when automatically returning to the "CYCLE" position.

Remarks :

- The return to the "CYCLE" position is automatic after 60 seconds.

- Each parameter can be viewed at any time during the operation of the device.

See the correspondence with the number below.

Signaling

Yellow led

Parameter setting menu

FIXE (1)

FLASHING (2)

FIXE (3)

FLASHING (4)

FIXE (5)

FLASHING (6)

FIXE (7)

FLASHING (8)

Green Led :

On if input « loop

control » present

(=1)

3 digits display

red led

Red led :

On if

presence of a

fault

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1) Visu Cycle:

In this position, the CYCLE menu led is on fixe.

If a fault is present, display of the fault (this display has priority).

If the sequencer is stopped: display "0".

If an unclogging pulse is in progress:

- display of "n x" with x = number of the current SV

- rapid flashing of the menu led in front of T1.

If rest time between two shots in progress:

- display of the time count before the next pulse

- rapid flashing of the menu led in front of T2.

Whether it is an unclogging of n cycles in manual operation, or unclogging due to the detection of a

fan stop, rapid flashing of the menu led in front of the fan / manual

At any time, if the + key is pressed: display of "n x" with x = EV which will be engaged on the next shot.

2) Setting the stop mode:

Two stop modes are possible if loss of loop control (input I1):

- « FcY » for end of cycle: the current cycle ends until the last SV.

- « Sto » for cycle stop: the cycle stops at the EV where it arrived. It will resume at the next EV when

reappearance of the run order

3) Setting the number of outputs:

Number of SV in the cleaning cycle: from 1 to 18.

4) T1 setting:

Activation time of an output (in 1 / 100th of a second) : from 3 to 255.

5) T2 setting:

Idle time between two outputs (in seconds) : from 1 to 255.

6) T4 setting:

If there has been no unclogging for the set time (T4), the current cycle ends (if stopped in cycle)

and a full cycle is performed.

If set to 0: this function is disabled.

Note: the T4 time delay is initialized for each pulse on an SV.

7) Setting the number of cycles when the fan is stopped:

If the loop control is lost (input I1), the stopping of the fan is detected.

In this case, the n cleaning cycles set here are carried out one after the other.

If set to 0: this function is disabled.

8) Manual running:

Setting the desired number of cycles in manual running. The cleaning cycles follow one after the other

(regardless of the state of input I1).

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- Sequencer operation:

The unclogging cycle consists of driving the EV outputs one after the other with a T1 pulse time and a rest

time T2 between two pulses.

4 orders can initiate unclogging:

oInput « loop control » (I1) :

▪If input=1 (closed input),

▪Unclogging cycles follow one another as long as the entry=1.

oT4 time :

▪If end of time T4 : execution of a cleaning cycle.

oDetection of fan stop (loss of input I1):

▪The n cycles set are executed.

oManual running :

▪The n cycles are executed.

Note: On power-up, a 10-second delay prohibits unclogging.

- Fault check operation:

When activating an EV, the device monitors the current consumed.

If there has been no consumption, an EV electrical fault is generated (for example: EV no or bad

connected, defective EV coil, etc.).

If power consumption is observed while no EV should be piloted, a fault

electrical short-circuit is generated (for example card failure…).

Electrical faults are maintained until reset by the "RESET" key.

Indication of:

"DEF" if electrical fault short-circuit

"Dxx" if electrical fault on EV with xx = number of EV.

Note : All faults are stacked in memory and are displayed in ascending order of the solenoid valves.

To cancel a fault and go to the next display, press the "RESET" button.

- Relay output:

The relay is energized if there is no fault (contact between 13 and 14).

It is no longer powered if there is an electrical fault (no more contact between 13 and 14).

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