HPSA-7100-R Series Installation and User Manual
125
P/N P01-04946-C
APPENDIX A
NAC and SP40S Applications
Appendix A provides details for the following Applications when connecting the HPSA-7100-R to an
external audio system.
This Appendix includes the following Application Note sections:
•
1V/25V Audio In Using NAC/Sounder Trouble Connections
•
70.7V/100V Audio In Using NAC/Sounder Trouble Connections
•
1V/25V Audio In Using Closed Contact Trouble Connections
•
70.7V/100V Audio In Using Closed Contact Trouble Connections
•
•
Dedicated SP40S With Multiple HPSA-7100-Rs
•
Multi-Use SP40S With Multiple HPSA-7100-Rs
•
Combination FACP/SP40S and Multiple HPSA-7100-Rs
The following criteria applies to all Applications described in this section and must be considered when
interfacing an SP40S or External Source to an HPSA-7100-R:
Supervision of connections between external systems and the HPSA is the responsibility of
the external system.
All trouble contacts must be monitored by the external system to provide notification of
internal faults to the end user.
For all Applications, 70.7 V
RMS
and 100 V
RMS
audio inputs to the (optional) HPSA require
the HPSA-7100-V-KIT.
End of Line Resistor (EOLR) shall be placed between the Audio In and the Audio Return on
the last HPSA; refer to the External Audio Source Equipment Manual for proper value and
application.
Value of EOLRs are defined by the External Audio System; placement of the “Trouble”
EOLR affects proper Supervision of the circuit.
All connections between multiple HPSAs are in parallel.
Refer to Figure A.1, Figure A.2, Figure A.3 and Figure A.4 for Audio In, NAC In, Dry
Contact Closure, and Trouble connector pin outs on the HPSA AMB.
Summary of Contents for HPSA-7100-R Series
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