P/SGA: Difference between revisions
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{{Infobox siren|title=Federal Signal General/Predetermined Alarm controller|company=Federal Signal Corporation|produced=???|type=Siren controller}}The ''' | {{Infobox siren|title=Federal Signal General/Predetermined Alarm controller|company=[[Federal Signal Corporation]]|produced=???|type=Siren controller|image=Pgatimer.jpg}}The ''Predetermined General Alarm'' ('''PGA''') and Standard General Alarm ('''SGA'''), designated Model Z115/220 (depending on voltage), are signal timers that were produced by Federal Signal Corporation. These were mainly marketed to fire stations as a cheap timer for a siren that only needed to sound a single signal. They are capable of (depending on the model) 2 3-minute signals, these being the "alarm" (attack) signal and "test" signal. | ||
== History and Design == | == History and Design == | ||
The PGA is primarily used for general alarm sirens, allowing them to sound an up and down scale wailing signal for a predetermined time. The standard PGA timer produces a timing of 8-seconds ON, 4-seconds OFF; repeated 10 times in a two minute cycle. There are a few known models, including the PGA and SGA timers. These are much less common than the [[Federal Signal AX | === Predetermined General Alarm === | ||
wip | |||
The PGA is primarily used for general alarm sirens, allowing them to sound an up and down scale wailing signal for a predetermined time. The standard PGA timer produces a timing of 8-seconds ON, 4-seconds OFF; repeated 10 times in a two minute cycle. There are a few known models, including the PGA and SGA timers. These are much less common than the [[Federal Signal AX Timer|AX]] and [[FC]] timers Federal produced. | |||
=== Standard General Alarm === | |||
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[[Category:Siren Control Equipment]] | [[Category:Siren Control Equipment]] | ||
[[Category:Federal Signal Corporation]] | [[Category:Federal Signal Corporation]] | ||
__INDEX__ | __INDEX__ | ||
[[Category:WIP]] | [[Category:WIP]] | ||
Latest revision as of 14:49, 12 November 2024
| Federal Signal General/Predetermined Alarm controller | |
| |
| Company | Federal Signal Corporation |
|---|---|
| Produced | ??? |
| Type | Siren controller |
The Predetermined General Alarm (PGA) and Standard General Alarm (SGA), designated Model Z115/220 (depending on voltage), are signal timers that were produced by Federal Signal Corporation. These were mainly marketed to fire stations as a cheap timer for a siren that only needed to sound a single signal. They are capable of (depending on the model) 2 3-minute signals, these being the "alarm" (attack) signal and "test" signal.
History and Design
Predetermined General Alarm
wip
The PGA is primarily used for general alarm sirens, allowing them to sound an up and down scale wailing signal for a predetermined time. The standard PGA timer produces a timing of 8-seconds ON, 4-seconds OFF; repeated 10 times in a two minute cycle. There are a few known models, including the PGA and SGA timers. These are much less common than the AX and FC timers Federal produced.
Standard General Alarm
wip