INM 725B Rev 21
21
2 .6 APR Cell Detail
(
A
larm /
P
ushbutton –
R
elay Cell)
Cell type
APR
is used to provide:-
• Four digital inputs for use with volt-free or powered contacts
• Three external pushbutton inputs for use with optional remote mounting
pushbuttons as required.
• Each of the external pushbutton inputs can be programmed to operate as either:-
Lamp Test, Silence, Acknowledge, Reset, 1st Reset or System Test or Sleep Mode as
required. The common return for all remote pushbuttons is +V (+24VDC)
• Four repeat relays providing volt-free contact outputs for use with third
party devices
• Each of the output contacts can be set to N/C or N/O using a 3 way header and 2
way shorting bar located on the card.
• The coil state can be programmed to be either EN or DE-EN per relay
• The drawing above indicates the standard card types available for cell type APR.
• Multiple APR cells may be used in applications that require more than 3 x pushbutton
inputs or in systems using multiple pushbutton groups to control selective channels.
WARNING !
If remote pushbuttons are used they must be installed in
the same enclosure as the RTK 725B/C annunciator.
