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INM 725B Rev 21
25
2 .10 AS Cell - Differential Input Version
Cell type
AS
is used to provide:-
• Four Isolated digital inputs for use with volt-free or powered contacts
• Universal Input Power Supply capable of accepting either:-
• AC voltages in the range 85-264VAC or
• DC voltages in the range 88-300VDC
• The Power Supply card is located in the upper card slot as typically shown above.
• The power supply is suitable for use with a number of cells which varies depending
on the window size used and the options fitted.
• Multiple power supply cards can be used in larger annunciators.
• The drawing above indicates the standard card types available for cell type AS
• Fuse FU-2A-05, (5 x 20 mm), 2A-T Fuse is used to protect the primary supply for
voltages less than or equal to 150V AC/DC.
• Fuse FU-0.5A-05, (5 x 20mm) 0.5A-T Fuse is used to protect the primary supply for
voltages greater than 150V AC/DC
WARNING !
The unit is fitted with a 0.5A primary input fuse as standard. This fuse should
only be changed for lower supply voltages in accordance with the details
above.