Automatic Factory Siren

Automatic Factory Siren System — RTC Scheduled

Set your shift timings once. The controller sounds the correct OISD-117 compliant tone at the correct time, every day — with or without your operator.

OISD-117 Tone Codes25 Events/Day2 TonesBattery Backup

Events/day

25 maximum

Tones

FIRE/DISASTER/ALL CLEAR/TEST + shift

Scheduling

RTC based

Override

Manual push button

Backup

Battery backup

Compliance

OISD-117 tone codes

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Automatic Factory Siren Controller OISD-117

OISD-117 Compliant Tone Codes

The Oil Industry Safety Directorate (OISD) Standard 117 specifies mandatory distinct tone codes for different emergency types. Our automatic controllers implement these correctly — the right tone for the right event, every time.

Event Type	OISD-117 Tone	Duration
Fire alarm	Wailing continuous	Until manually stopped
Disaster / evacuation	Wailing — 3 bursts	3 × 15 seconds
All clear	Steady continuous	30 seconds
Test	Steady — 1 burst	15 seconds
Shift change	Steady continuous	30 seconds

Request compliance datasheet →

Parameter	Specification
Events per day	25 maximum
Tone types	Straight-run & wailing
Scheduling	RTC — time & day programmable
Override	Manual fire / emergency button
Battery backup	Operates through power failure
Compliance	OISD-117 tone codes

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