Manual ME3011b_E_v0707_Pre.doc
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2 – General functions
2.1 – Sound Signal
Annunciator has a “buzzer”, which can be configured to generate different sounds (continuous, intermittent and
two-tone) and disabled.
For connecting external buzzer, potential-free terminals are available on the rear panel for external buzzer, with
30W of capacity.
2.2 – Alarm Group
Alarm group function is used to group inputs in certain combinations for a better operating visualization.
Thus, a certain alarm group can have its light indication in a different color from the rest of annunciator and a
differentiated sound signaling.
Annunciator has 3 relays, which can be programmed to activate if an alarm occurs in up to 3 alarm groups.
2.3 - Sleep Mode - SLM
Sleep Mode function is used to deactivate internal light and/or sound signaling.
When active, front panel RUN led (Green) starts blinking, indicating that device is operative in sleep mode. This
Function can be enabled/disabled through front buttons or external button.
2.4 – Input Temporization
Inputs have filters with individually adjustable times from 5 ms to 600 ms.
2.5 – Automatic Storage of Last Status of Annunciator
CPU module will store the last status of equipment in case of power failure, retrieving this data when power
returns.
2.6 – Flashing
Light signaling has two flashing frequencies:
fast flashing = 1.2 Hz and
slow flashing = 0.4 Hz
2.7 – Keyboard OFF
Allows turn off the annunciators keybord trough an external key, maintaining the keyboard functions only at
the remote push-button station.
GENERAL FUNCTION DESCRIPTION