Full technical details on our alarm annunciators and possible annunciation sequences are a given on this page. 

Alarm Annunciator
Model AL-701

• Microprocessor based alarm annunciators 
• Ideal for use in fertilizer plants , steel plants , petrochemicals , paper industries and other process industries 
• Alarm Annunciation sequence can be selected at site ( available sequences are listed below )
• Maximum number of input channels - 64
• Front and back hinged door
• High noise immunity
• All inputs are optically isolated
• Plug in cards for control , channel and power supply
• Alarm windows can be filament lamp or LED lamp based
• Trickle current for heating of filament lamps
• Alarm window size can be 70X 35 mm or 55 X 30 mm
• Fault input - NO or NC  can be set individually for each channel via jumpers on the  channel card
• Interrogation voltage - 12V DC
• Three control switch inputs  for TEST , ACCEPT and RESET 
• Hooter control relay output , 1 CO, 5 Amps, 230 VAC , non -inductive
• Control switches and Electronic Hooter ( with volume control ) available as accessories
• All connections via terminals on rear of the alarm annunciator 
• Power supply : 110V AC or 230 VAC  ±10%, 50 Hz.
• Maximum operating temperature : 50 °C max.
• Panel mounting
• Size depends on the configuration of the alarm annunciator 

Brochure on AL701

Mini - Alarm Annunciator
Model AL-702 

• Microprocessor based alarm annunciator 
• Eight alarm windows
• Ideal for use in fertilizer plants , steel plants , petrochemicals , paper industries and other process industries 
• Low cost
• Alarm Annunciation sequence can be selected at site ( available sequences are listed below )
• Eight input channels
• High noise immunity
• All inputs are optically isolated
• LED based alarm windows 
• Fault input - NO or NC  can be set individually for each channel via jumpers on the  channel card
• Interrogation voltage - 12V DC
• Three control switch inputs  for TEST , ACCEPT and RESET 
• Hooter control relay output , 1 CO, 5 Amps, 230 VAC , non -inductive
• Control switches and Electronic Hooter ( with volume control ) available as accessories
• All connections via terminals on tear of the alarm annunciators
• Power supply : 110V AC or 230 VAC  ±10%, 50 Hz.
• Maximum operating temperature : 50 °C max.
• Flush panel mounting
• Panel Cutout : 184 (H)X 92(W) mm
• Overall size : 192(H) X 96(W) X 200(D) mm

Brochure on AL702

Three alarm annunciation sequences given below are provided in all the alarm annunciators . The required sequence can be selected at site. ( Other sequences can also be provided on request ).

• Auto Reset Alarm Sequence (AL7102)
• Manual Reset Sequence (AL7201)
• First In Manual Reset Sequence (AL7301)

FIRST IN MANUAL RESET SEQUENCE (AL7301)  First in fault can be distinguished before ACCEPT by FAST   flash ( subsequent steady ON).