2 CELL TYPES
Each RTK 725B alarm annunciator is constructed from modular building blocks, “CELLS”. The
type of card installed within each cell is dependent on the options required.
WARNING !
Hazardous voltages may be present on the rear panel connections when
module connectors are removed. Take care not to touch any exposed parts.
The following pages detail the individual cell types, available options and each annunciator can
be manufactured using combinations of cells and types to suit individual panel designs.
2.1 A Cell Detail (Alarm Cell)
Cell type A is used to provide:-
• Four digital inputs for use with volt-free or powered contacts
• The drawing above indicates the standard card types available for cell type A