20-light Remote Annunciator
DETAILED SPECIFICATIONS
ENVIRONMENTAL SPECIFICATIONS
Temperature -20°C to +50°C
Humidity 0 to 95% Non Condensing
POWER SUPPLY REQUIREMENTS
Power Supply Source Generator Battery to comply
with NFPA
Nominal Supply +12 to +24VDC
Transient protection Spikes clamped to 40V
Power Usage 150mA maximum.
Battery Supply cable 2 wire - DC resistance less
than 7 Ohms per conductor.
Fuse on front panel 1 Amp
COMMUNICATION WITH GENERATOR CONTROL
SYSTEM
Communication link 2 wire RS485 fully isolated.
Communication cable 2 wire—twisted pair with
overall screen.
Cable size 24 AWG 0-250 feet. 18 AWG
0-1,200 feet.
Baud rate 4800, N, 8, 2.
NOTE:
1. The RS485 cable should not be run in the same
conduit, or in the same grouping as any high volt-
age or other “noisy” electrical conductors.
2. Avoid running the RS485 cable through any “high
noise” environments.
INTERFACE WITH OTHER EQUIPMENT
Alarm Relay Output 1 pair N/O Volt-free contacts-
100mA, 24V DC
AGENCY COMPLIANCE
NFPA-110 Yes
NFPA-99 Yes
TRANSPORTATION AND STORAGE
Temperature -20°C to +80°C
Humidity 0-95% Non Condensing
Detailed Specifications ..................................................2
Environmental Specifications ........................................2
Power Supply Requirements..........................................2
Communication With Generator Control System ..........2
Interface With Other Equipment ....................................2
Agency Compliance ......................................................2
Transportation and Storage ..........................................2
Packaging and Mounting................................................3
Annunciator Panel Mounting..........................................3
System Specification ......................................................3
Active/Passive Mode......................................................3
Setting to Passive Mode ................................................4
Hardware Functional Description ..................................4
Generator Stop Signals..................................................4
Warning Indicators ........................................................4
Generator Power............................................................5
Line Power ....................................................................5
Battery Charger AC Failure............................................5
System Status Indicators ..............................................5
System Ready................................................................5
Communication OK........................................................6
Audible Annunciator ......................................................6
Test Switch ....................................................................6
Re-Arm Horn Switch ......................................................6
Reset Switch ..................................................................6
Relay Output ..................................................................6
Software Specification....................................................6
Serial Interface ..............................................................6
Request Frequency........................................................6
Operator Functions ........................................................6
Error Handling................................................................6
Hardware Watchdog ......................................................6
Troubleshooting ..............................................................7
Notes ................................................................................8
Electrical Data ................................................................9
Exploded Views & Parts Lists......................................12
2 Generac
®
Power Systems, Inc.
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