Specifications

FS-250 Installation and Operation Manual
4
P2 Addressable Device Circuit
The FS-250 control panel has one addressable device circuit utilizing the P2 Detection
Technology. The circuit has the capacity for 252 addresses.
Notification Appliance Circuits
The FS-250 control panel has four independent Class B (Style Y) notification appliance
circuits (NACs). Pairs of NACs can be combined for Class A (Style Z) operation. This
reduces the number of NACs to two. Each circuit can be selected to give continuous output
or one of eight sounding patterns available in the control panel including the Siemens
SYNC Protocol. There is also a system coder capable of zone-coded operation. All of the
NACs are power limited.
Serial Interface Circuit
The FS-250 control panel has a Serial Interface Circuit that will drive up to 16 remote LCD
annunciators and 8 Serial Relay Units and Serial Annunciator Units.
Status Relays
Four relays with dry contacts are provided. These relays are programmable to power fail,
alarm, trouble and supervisory functions. The relay contacts are Form C and are rated 1A
@ 28VDC resistive.
Programming Port
An RJ-11 jack is provided for a non-isolated RS-232 connection for temporary connection
to a computer for panel programming.
OPTIONAL MODULES
FS-MT Municipal Tie Board
The Siemens FS-MT municipal tie board provides local energy and polarity reversal
connections. The polarity reversal connections provide a trouble circuit and an alarm circuit
with optional trouble output. The FS-MT mounts onto the main termination board (Cannot
be used in conjunction with an FS-DACT Board).
FS-DACT Board
The Siemens FS-DACT Digital Alarm Communication Transmitter board will send control
panel status data to a remote receiving station. The FS-DACT mounts onto the main
termination board (Cannot be used in conjunction with the Municipal Tie Board).
FS-NPE Transformer Assembly
The Siemens FS-NPE optional transformer assembly provides an additional 3 amps of
NAC power. The transformer mounts in the cabinet above the two transformers that come
standard with the FS-250. A maximum of one optional FS-NPE is allowed per system.
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