ESA Electronic Engineering. Apparecchiature elettroniche per la depolverazione

Sequencers without control dP - Model: Ex1dSC16

Sequencers with digital dP control From 1 to 16 outputs for electrovalves

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

Housing: Copper aluminium, 250x302x177 mm, IP65

Voltage electrovalves: 24 VAC, 115 VAC, 230 VAC / 50 ÷ 60 Hz, 24 VDC

Operating temperature: - 10 ÷ + 50 °C (Standard)

Mandatory cable gland supply. Communicate number and type

Manuals available in Italian, English, French, German

For other languages contact the Technical Department

Available functions

Please LOGIN to see the prices

A2a	Relay Voltage ON (K1)	If the device is supplied, relay K1 is activated and the terminal board contact is closed. In case of power failure, this contact is open. • A: Relays • B: Terminal board
B10	Manual activation of every single output from keyboard	By keyboard, it is possible to activate manually and individually every single output for an operation test. Press key A to select the desired output to be activated. Press key C to activate the output. The output is holded active for all the time that key C is pressed. It allows to measure the output voltage by using a tester. In case of anomalous operating, do this test with electrovalves disconnected.
B1b	Selection Number of outputs	The selection of the number of outputs to be controlled is connected by keyboard in SET MODE. If you set 0 or AUTO in this function, the sequencer will automatically select the connected loads by skipping the non connected outputs. Minimum load 5W ÷ 12 W depending on the output voltage. If the load is below 5 W, autoselection does not work properly. Set the number of outputs in set up.
B2x	Activation time from 0.05 to 5.00 sec.
B3c	Interval time between ev. during post-cleaning	Interval time between two activations settable by keyboard when post-cleaning cycles are active and during the forced cycles of option C2x if available. The selection 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 case of short-circuit, the corresponding output is automatically skipped. Relay K2 will signal the alarm condition and display will show the alarm situation code E1 (See the alarm description). Press key E to reset the alarm.
C0	Input activation from external contacts	In Set up you can activate or deactivate the control of all the inputs of the device. If inputs are deactivated, they are considered as always closed and no jumper is required on the terminal board. Use a jumper for unused inputs if you activate them. NOTE: all inputs of the device have to be connected to external contact without voltage.
C4c	Cleaning cycle	If all the conditions necessary for the start of cleaning cycle (e.g. fan On, external consents C6 or D6 present) are present when supply voltage is switched on, automatically the device activates the outputs in sequencial way with timing set by keyboard
C6a	ON/OFF cleaning cycle from external pressure switch. STOP at the end of the cycle	With digital inputs enabled and with contact C6a open the cleaning cycle stops at the end of the cleaning cycle and display shows 'CYCLE STOPS FOR LOW dP'. When C6a is closed the cleaning cycle restart. NOTE. Put a wire between the clamps of input C6a if not used with inputs enabled.
D14a	Operation hours-counter	In Setup it is possible to visualize an hours counter. This counter is active when the cleaning cycle in On. In case of fan stop, consent D6 not present or with the device in Setup the counter stops.
D1a3	Additional cycles from voltfree contact. ALWAYS enabled.	By connecting an NO auxiliary contact of the circuit intended to drive the fan with the sequencer, it is possible to add a pre-set number of cleaning cycles after the fan stop. Their number can be set from 0 to 99 by keyboard. Post-cleaning cycles are activated even if dP = 0 or C6x open. If contact D1a3 is open, the display shows the indication of fan stop (See operation table 6.1). The display shows 'POST-CLEANING ACT' or decimal points blink, according to the model, during additional cycles. NOTE. Jump D1a3 clamps if it is not used with inputs enabled.
D6a	ON/OFF cleaning cycle from external contact	If contact D6a is open, the cleaning cycle is not enabled and the display shows 'START CONTACT D6a OPEN'. Close D6a to start cleaning cycle from the first electrovalve. NOTE D6a: Jump D6a if it is not used with inputs from external contact active. • A: Contact D6a Open • B: Contact D6a Closed
G1	Maximum load power 25W per output
SL	Multi language display	In Set up it is possible to select the language of all the descriptions showed by the display: • Italian • English • French • German • Spanish