General
UDACT Instruction Manual PN 50050:H 09/16/2002
121
Appendix K: INA
General
The UDACT is capable of reporting up to 2,040 points when used with the Intelligent Network
Annunciator (INA). The first 568 points can be programmed using the Type Mode feature (refer to
"Type Mode" on page 55). All points greater than 568 can be transmitted only as fire alarm points. For
the UDACT to report a supervisory point to the central station, both the FACP and the UDACT must
have the point programmed as supervisory. Failure to program the panel or UDACT correctly will result
in a fire alarm signal being transmitted to the central station.
Note:
The UDACT does not support voice and burglary options when used with the INA. Refer to the
Intelligent
Network Annunciator Manual
for additional restrictions and more information.
Mounting
The UDACT may be mounted in the INA control panel enclosure or be mounted remotely using an
ABS-8R
or UBS-1 enclosure placed within 6000 feet (1828.8 meters) of the control panel.
For mounting instructions see "Remote Installation" on page 22 or
"Internal Installation" on page 20
.
Wiring
CAUTION:
Remove all power from the control panel by disconnecting AC and batteries
before
making any connections to prevent personal and/or circuit damage.
Connections
Refer to Figure 33 and Figure 34 on page 122.
Connect the communication line between the EIA-485 terminal block on the INA and TB-1 terminals 3
and 4 on the UDACT, being certain to observe polarity.
If no other devices are connected to the EIA-485, install a 120 ohm EOL resistor across UDACT
TB1 terminals 3 and 4.
Connect the
Ground Wire (PN 71073, provided)
from the UDACT
EARTH
terminal on TB3 to the CHS-4
Chassis or to a solid building earth ground.
Connect 24 VDC filtered, regulated power from the MPS-24A or MPS-24B (Main Power Supply) to
TB1 terminals 1 and 2 on the UDACT.
Notes:
1. Ferrite cores, PN 29090, are recommended for all applications.
2. Recommended wire is 12 AWG (3.25mm
2
) to 18 AWG (0.75mm
2
), twisted pair, shielded cable.
Connect only one end of shield: a) shield may be connected to cabinet (earth ground) at fire alarm
panel, or b) shield may be connected to TB1 Terminal 5 (Shield) at UDACT as shown in Figure 33
Note:
The shield end that is not connected should be insulated to prevent accidental grounding. Do not connect both
ends of shield under any circumstance since a ground fault may result.
3. Conduit is recommended for external wire runs. Consult local building codes.
4. Refer to "Specifications" on page 13 for power requirements.
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