Catalogue - SIL725 Safety Annunciator - RTK - (Version JPG)

See other catalogues for RTK

Alarm panel, Flashing beacon, Panel, LED indicator, Beacon

Text version of the page

Alarm Sequences

Each alarm channel can be configured to suit the operating sequence required as listed in the ISA publication Annunciator

Sequences and Specifications S18.1 1979 (R1985). Systems can be configured with different features on different alarm

ways. The diagram below shows the most commonly used sequences.

MANUAL RESET

Sequence Code M

AUTOMATIC RESET FIRST OUT with first out flashing and reset pushbutton

Sequence F3A


	PROCESS Normal
H	SEQUENCE Normal VISUAL Off AUDIBLE Silent	h

reset while normal

abnormal

first out

reset while normal

first to

abnormal

return to

normal


	PROCESS	Abnormal o, Normal
	SEQUENCE	Acknowledged
	VISUAL	On
	AUDIBLE	Silent

PROCESS Abnormal o, Normal SEQUENCE Alarm VISUAL Flashing AUDIBLE Audible

acknowledge

PROCESSAbnormalorNormal

SEQUENCE Subsequent Alarm

VISUALFast Flashing AUDIBLE Audible

first

reset

PROCESSAbnormal

SEQUENCE Subsequent Acknowledged

VISUALOn

AUDIBLESilent

PROCESSAbnormalorNormal SEQUENCE First Alarm

VISUAL Intermittent Flashing

AUDIBLEAudible

AUTOMATIC RESET

Sequenc

acknowledge

while

abnormal


	PROCESSNormal
M	SEQUENCE Normal VISUAL Off AUDIBLE Silent acknow	ledge ■

PROCESS Abnormal or Normal SEQUENCE First Acknowledged

VISUALFlashing AUDIBLE Silent

return to

normal

abnormal

first out reset while abnormal

k4-

acknowledge

PROCESS Abnormal SEQUENCE Acknowledged VISUAL On AUDIBLE Silent

PROCESS Abnormal or Normal SEQUENCE Alarm

VISUALFlashing AUDIBLEAudible

acknowledge while abnormal

MANUAL RESET FIRST OUT with no subsequent alarm

flashing and silence pushbutton

Sequence F2M-1


		PROCESSNormal
		SEQUENCE Normal
reset				first to
while normal	V	VISUAL Off		abnormal
while normal		AUDIBLE Silent
		subsequent to abnormal T
	mute and acknowledge r	PROCESSAbnormalorNormal
	mute and acknowledge r	SEQUENCE Subsequent Alarm VISUAL On AUDIBLE Audible
	Ï		' II

NO LOCK IN

PROCESSNormal SEQUENCE Normal

VISUAL Off AUDIBLE Silent

i^^H^^H to I _A■ ab

><11

eturn to ■ normal

return to

normal


	PROCESS	Abnormal orNormal
	SEQUENCE	Acknowledged
	VISUAL	On
	AUDIBLE Silent

PROCESSAbnormalorNormal SEQUENCE Alarm VISUALFlashing AUDIBLEAudible

acknowledge

PROCESSAbnormalorNormal SEQUENCE Acknowledged VISUALOn AUDIBLE Silent

PROCESS Abnormal or Normal

SEQUENCE First Alarm VISUALFlashing AUDIBLE Audible

acknowledge (first out reset)

-I

PROCESS Abnormal or Normal

SEQUENCE First Silenced VISUALFlashing AUDIBLE Silent

RINGBACK

Sequence Code

acknowledge

(first out reset)

process Normal sequence Normal

visual Off

alarm audible Silent ringbackaudible Silent

abnormal

AUTOMATIC RESET FIRST OUT Sequence F1A with no subsequent alarm state

process Normal sequence Ringback visual Slow Flashing

alarm audible Silent

ringbackaudible Audible

acknowledge while normal

process Abnormal or Normal sequence Alarm

visual Fast Flashing alarm audible Audible

ringback audible Silent

PROCESSNor al SEQUENCE Normal

VISUAL Off

AUDIBLE Silen

return to abnormal

acknowledge while normal (first out reset)

_I_L

process Abnormal sequence Acknowledged visual Off

alarmaudible Silent ringbackaudibleSilent

return to normal

acknowledge

while

abnormal


	PROCESS	Abnormal
	SEQUENCE	Acknowledged
	VISUAL	On
	AUDIBLESilen

PROCESSAbno malo No mal SEQUENCE First Alarm VISUALFlashing AUDIBLE Audible

acknowledge

while abnormal

(first out reset)

SIL725 Safety Annunciator - RTK - #5

Alarm panel, Flashing beacon, Panel, LED indicator, Beacon