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Tecno Control CITY CE424P Manuel D'instructions page 77

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Each THRESHOLD has a hysteresis to prevent the relay output from activating and
deactivating, if around its value. This hysteresis is 20% of the set value, for all sensor models,
except for those that detect oxygen (TS... .EO) whose hysteresis is 2%.
Description of the items relating to the outputs:
Indicates the relay number that will be activated when the relative threshold is exceeded.
The relays available ranging from 1 to 9. The output set to 0 indicates that it is not
associated with any relay.
OUTPUT
OUTPUT 1 = RELAY for ALARM 1 activated by THRESHOLD 1
OUTPUT 2 = RELAY for ALARM 2 activated by THRESHOLD 2
OUTPUT 3 = RELAY for ALARM 3 activated by THRESHOLD 3
If the cards, with the relay outputs, are not mounted or correctly connected, for safety
reasons the outputs cannot be configured.
 If the ES414 board is not connected to the 'OUT 5-8' terminal, the available outputs will only
be from 1 to 4 and 9.
 If no ES414 card is connected, the only available output is 9.
The operating mode of the relay outputs must be uniquely configured. The same relay output,
used for different alarm levels, only the highest alarm configuration will be considered valid.
It is not possible to choose the same output for an alarm level and a fault.
Indicates that the output is deactivated for the Silence Time when the RESET is
SILENCEABLE
performed. This function can be used, for example, for relay outputs connected to
acoustic alarms The parameter can be set YES or NO
Is the SILENCING TIME, adjustable from 0 to 300 seconds for which a
SILENCE T.
SILENCABLE output is deactivated by means of the RESET. It can only be used if
the SILENCEABLE parameter is set to "YES".
Is the delay, HYSTERSIS ON adjustable from 0 to 300 seconds, of the relay
DELAY ON
associated with an alarm threshold.
The item (in bold) HYSTERESIS OFF, which can be set from 0 to 300 seconds, is
DELAY OFF
the delay of the relay it is associated with, to return to normal condition at the end of
the alarm state.
IMPORTANT NOTE for the HYSTERESIS OFF item
selected, then with
function below). Then to program its value, press
to confirm. The INST.OFF and TIME ON functions cannot be used simultaneously or with
ENTER
the LATCHED function. For safety, if the delay is set other than zero, the LATCHED parameter
will automatically become NO.
The second item, TIME ON, adjustable from 0 to 300 seconds, can only be used to
stop the alarm output after a pre-set time, even if the sensor remains above the
TIME ON
alarm threshold set. (It can be used to activate devices that cannot be powered on or
to send a pulse to a phone-dialer).
setting it to YES, indicates that the output operation is in POSITIVE LOGIC or the
POS.LOGIC
relay is normally activated, so, in case of failure automatically moves into the position
of the alarm, and then the NC contact becomes NO.
Setting it to YES, indicates that the relay remains in alarm, even if the sensor back
LATCHED
below the alarm set. To bring it back into the normal, RESET must be performer.
The function latched, cannot be used simultaneously with DELAY OFF or TIME ON. For
safety, if the parameter latched, was set YES, the parameters DELAY OFF and TIME ON,
will be automatically set to Zero.
Then at the end of the screen, SAVE appears. Pressing
entered. Press
again to confirm, or
ENTER
Only for double sensors, TS255 series, at the end of the screen, the message CONTINUE
appears. Because in this case, must be programmed two consecutive sensors. Only after the
second configuration, you can save the configuration entered.
TECNOCONTROL S.r.l. - Via Miglioli, 47 20054 SEGRATE (MI) - Tel. 02. 26 92 28 90 - Fax 02. 21 33 734
CE424P User manual
and
it is possible to change it to TIME ON (see explanation of the
ESC
to go back to make changes.
: by pressing
, set the value with
will prompt you to save the configuration
ENTER
Pag. 25/52
the item is
and
, than press

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