ACS Annunciation Interface (TB5 on CPU) Annunciators
AFP-200 PN 15511:H2 10/14/2002 141
C.3 ACS Annunciation Interface (TB5 on CPU)
In ACS mode, the control panel annunciates its 99 software zones. The use of software
zones lets you map any number of modules or detectors to a single LED. The ACS
connection uses a standard EIA-485 interface, capable of two-way, high speed
communications with multiple annunciators located up to 6,000 ft. from the control panel.
Canadian Requirement: The ACM Series annunciator modules must be used to
annunciate the fire alarm input points/zones only. For Canadian applications, the
following LED colors must be employed:
• Red must be used to indicate active alarm inputs
• Yellow must be used to indicate supervisory, burglary or trouble signals
• Green must be used to indicate the presence of power or an activated output
C.3.1 Supported Modules
When programmed for ACS mode, the control panel will support the following
ACS-compatible modules:
• Point annunciators
• ACM-8R – This module may be used to increase the relay capacity of the control
panel by providing mappable dry contact relays. The control panel can support 99
detectors, 99 modules, four Notification Appliance Circuits, eight internal relays,
and 99 external relays, for a total of over 300 points. The ACM-8R may be
powered by the regulated/high-ripple notification appliance power from the control
panel. For detailed information, refer to ACM-8R manual.
Note: Similar point capacity extension is possible using the LDM-R32, but the LDM-32
series must use filtered, regulated power and is therefore more limited than the ACM-8R.
• LCD-80 – The LCD-80 must be set to ACS mode (refer to the LCD-80 manual).
C.4 Annunciator Capacity
ACS annunciation displays the 99 software zones of the control panel plus 8 system
points, for a total of 107. Information is transmitted using annunciator addresses 1 and
2. The EIA-485 interface will allow up to 32 annunciators (all but two must be in
receive-only mode), over distances of up to 6,000 feet (1828.8 m) subject to system
power limitations.
C.4.1 Data Formats for Annunciator Address 1
Table 52 contains the data formats available at annunciator address 1. Note the following:
1. The use of a UDACT Universal Digital Alarm Communicator/Transmitter and an
ACM, AFM or LDM Series Annunciator on the same control panel alters the
assignments of the yellow LEDs on ACS Points 3, 4, 5, 6, 7 and 8.
2. Assignments with the UDACT are Point 3=Program Mode, Point 4=Supervisory,
Point 5=Bell Trouble, Point 6=Prealarm/Maintenance Alert, Point 7=Low Battery
and Point 8=AC Fail.
C.4.2 Data Formats at Annunciator Address 2
Table 53 contains the data formats for annunciator address 2. Note the following:
1. The National Standard of Canada (CAN/ULC-5527) requires a dedicated display
to use yellow visual indicators to show the status of supervisory inputs. Notifier
annunciators intended for Canadian Supervisory Service are: ACM-16ATCS4,
ACM-16ATCS, ACM-16ATY, ACM-32ACS8, ACM-32ACS, and ACM-32AY.
2. On address 2, LED number = point number – 56
ACM-16AT, AEM-16AT ACM-32A, AEM-32A
AFM-16A, AFM-32A, AFM-16AT LDM-32, LDM-E32, LDM-R32
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