34
INM 725B Rev 21
2 .19 APC Cell Detail
(
A
larm –
P
ushbutton -
C
omm’s Cell)
Cell type
APC
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 re
quired. The common return for all remote pushbuttons is +V (+24VDC)
• The drawing above indicates the standard card types available for cell type APC.
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.
Comm’s Card that provides:
• One Isolated RS485 Port via a standard 9-way D-type connector.
• One Isolated 10/100Mb/s Ethernet port via a standard 8P8C (RJ45) connector.
• Rx and TX LED’s on both ports for diagnostic purposes.
• The Comms card contains a CR2032 coin cell (3.0V lithium, 180mAH)
The battery in this comms card can be replaced when it reaches the end of its life. In order to re-
place the battery, power down the annunciator, remove the comms card, replace the battery and
refit the comms card. Refer to page 123 for instructions on the disposal of the spent battery.