Series 90B ANNUNCIATOR INSTALLATION AND CONFIGURATION MANUAL
SCOPE
This manual describes the installation and configuration of the SERIES 90B annunciator
system. This includes operation of its associated configuration software.
Glossary of Terms
Cell: Refers to a single module housing that can accommodate several
boards. An Annunciator that is 3 rows high by 4 columns wide consists
of 12 Cells.
Module: Refers to an individual electronic board. There are a variety of boards
used in the Annunciator System for inputs, outputs, communications,
etc.
N.O. Normally Open. Contact state is open when normal, closes upon alarm.
N.C. Normally Closed. Contact state is closed when normal, opens upon
alarm.
Energized: Typically refers to the relay coil state when normal. The coil de-
energizes (voltage removed) when in alarm or while activated.
De-Energized: Typically refers to the relay coil state when normal. The coil energizes
(voltage applied) when in alarm or while activated.
Form A Type of relay contact, SPST (single pole, single throw). Open in the
normal state, closes upon alarm or while activated.
Form B Type of relay contact, SPST (single pole, single throw). Closed in the
normal state, opens upon alarm or while activated.
Form C Type of relay contact, SPDT (single pole, double throw). Open and
closed contact with common pole. Both change state when in alarm or
while activated.
FCV: Field Contact Voltage. Field contact or wetting voltage for alarm inputs.
CSM: Common Service Module. The CSM provides common alarm controls
and output relays. Typically located in the bottom right cell.
I/O: Input/Output. This refers to a board that accepts the customer Field
Contact Inputs, provides outputs to the LED Display and can provide
optional repeat relays.
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