Specifications

FS-250 Installation and Operation Manual
32
Status Relays And Auxiliary Power Outputs Wiring
The right side of the main board provides for connection of status relay contacts and
auxiliary power connections (TB5-8). Four relays with dry contacts are provided. These
contacts can be dedicated to power fail, alarm, trouble and supervisory indications. The
relay contacts are Form C and are rated 1A @ 28VDC resistive.
The right-hand edge of the main termination board (TB9) provides for resettable and non-
resettable auxiliary power connections.
FS-250 System Power Requirements (Does not include NAC power)
Device Item Max.(Amps) FS-250 Amps
FS-250 Control panel (inc. 1 FS-DLC)
0.190
0.190
Addressable Device Circuit Power # of Devices X 0.0018 Amps
Auxiliary Power Outputs * Depends on devices installed
FS-MT Municipal Tie Board 0.055
FS-DACT DACT Board 0.054
FS-RD2 Remote LCD Annunciator *
0.085
FS-RU2/FS-RE8 Serial Relay Unit * 0.032+0.020 A for each relay
FS-SAU2/FS-SAE16 Serial Annunciator Unit * 0.070+ load of each LED or lamp
Total current requirements
Must be less than or equal to
0.75
A
uxiliary Power Outputs
0.4A max. @24VDC nominal
Supervised, Power Limited
Maximum current of all auxiliary outputs
circuits, Serial Interface Circuit and option
boards is 0.5A for the FS-250
Status Relay Contacts
(Shown in normal standby
condition)
1A 28VDC max Resistive For
Power Limited Source,
Supervised
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