Safety Bus Manual — P/N LS10177-000HI-E:B 02/21/2019 44
SB-ECM Module System Components
The logic used by the module in this mode complies with EN 12094 standards or UL864 depending
on the configuration parameter, International Standard, set in the control panel. The 15 module
channels carry out the following functions:
Ch-1 Manual Discharge Input
Activation of this input in normal condition triggers the start of the manual discharge sequence
(activated). The logic executed following activation of this input, when another automatic sequence
is in progress, depends on the manual discharge mode set for this input during configuration.
Ch-2 Discharge Delay Extension Input (Hold)
Activation of this input during discharge delay extends the discharge delay time set during pro-
gramming:
Mode-A the discharge delay time is not interrupted, but discharge doesn’t take place until the
input (Hold button) is released.
Mode-B the discharge delay time is interrupted and reset when input is released
Mode-C the discharge delay time is interrupted 10 seconds from timeout
Activation of the discharge delay extension input in Mode-B, during counting time, is signaled in
the extinguishing area by varying the visual/acoustic signal activation frequency.
Ch-3 Discharge Inhibition Input (Inhibit/Abort)
Activation of this input during rest or active condition causes the inhibition of the extinguishing
command outputs until the input is released and until the active condition reset command is reset by
the control panel.
NOTE: Manual discharge mode: Determines manual discharge input operation during an
automatic discharge sequence:
n-DO: Activation of the manual discharge button does not cancel the delay in progress due to
automatic discharge
y-DO: Activation of the manual discharge button cancels the delay in progress due to automatic
discharge
NOTE: Once manual discharge has been activated, it is no longer possible to disable the
channels in the extinguishing area.
NOTE: It is not possible to reset the active condition before the configured reset inhibition time
has elapsed.
NOTE: If the panel’s International Standard option is set to:
EN - A fault of this input inhibits activation of the extinguishing command outputs.
UL - A fault or disabled condition of outputs configured as TOA do not prevent activation of the
EV outputs
NOTE: A fault of this input inhibits activation of the extinguishing command outputs.
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