Wire Routing For Power & Non-Power Limited; Keybus Operation And Wiring; Current Ratings - Modules & Accessories - DSC PC5020 Power864 Installation Manual

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Programmable Outputs PGM1, PGM2, PGM3, PGM4
rent is required, a relay must be used. PGM2 can be used
for 2-wire smoke detectors with Jumper CON1 removed,
otherwise, CON1 must remain on at all times (see section
2.10 'Zone Wiring').
Zone Input Terminals - Z1 to Z8
Each detection device must be connected to a zone on the
control panel. It is suggested that each zone have one
detection device however it is possible to wire multiple
detection devices to the same zone.
For zone wiring specifics, see section 'Zone Wiring'.
Telephone Connection Terminals - TIP, RING, T-1, R-1
If a telephone line is required for central station commu-
nication or downloading, connect an RJ-31X jack in the
following manner:
Connect the PC5020 and modules that use the telephone
line(s) in the following order:
For example, if you are installing a PC5020 with a
LINKS1000/GSM1000 and a PC5936 intercom module,
connect the incoming line to the LINKS1000, then from
the LINKS1000 to the PC5020, then from the PC5020 to
the PC5936 audio module and then from the PC5936
module to the house telephones.
NOTE: Ensure that all plugs and jacks meet the dimen-
sion, tolerance and metallic plating requirements of 47
C.F.R. Part 68, SubPart F. For proper operation there
must be no other telephone equipment connected
between the control panel and the telephone com-
pany facilities.
NOTE: Do not connect the alarm panel communicator
to telephone lines intended for use with a FAX
machine. These lines may incorporate a voice filter
which disconnects the line if anything other than FAX
signals are detected, resulting in incomplete transmis-
sions.
2.3 Wire Routing for Power & Non-Power Limited
All wiring entry points are designated by the arrows. All
circuits are classified UL installation power limited except
for the battery leads which are not power limited.
Each PGM output is designed so
that when activated by the panel,
the terminal will switch to ground
PGM1, PGM3, and PGM4 can
each sink up to 50 mA of current.
These PGMs can be used to acti-
vate LEDs or a small buzzer. Con-
nect the positive side of the LED
or buzzer to AUX+, the negative
side to the PGM.
PGM2 is a high current output
(300mA) and operates similarly to
PGM1. If more than 300 mA of cur-
A minimum ¼" (6.4mm) separation must be maintained
at all points between power limited and non-power lim-
ited wiring and connections.
NOTE: A minimum 1/4" (6.4mm) separation
must be maintained at all points between
power limited and non-power limited wiring
and connections.
NOTE: Wire entry for power limited wiring must be
separated by a different entry access from non-power
limited wiring.

2.4 Keybus Operation and Wiring

The Keybus is used by the panel to communicate with all
modules connected and by the modules to talk to the
panel. The RED and BLK terminals are used to provide
power while YEL and GRN are clock and data.
NOTE: The 4 Keybus terminals of the panel must be
connected to the 4 Keybus terminals or wires of all
modules.
The following conditions apply:
• Keybus should be run in minimum 22 gauge quad
(0.5mm), two pair twisted preferred
• the modules can be home-run to the panel, connected in
series or can be T-tapped
PC5936
• any module can be connected anywhere along the Key-
bus; you do not need a separate Keybus wire run for
keypads, zone expanders etc.
• no module can be more than 1,000'/305m (in wire
length) from the panel
• shielded wire is not necessary unless wires are run in an
area that may present excessive RF noise or interference
Example of Keybus Wiring
Module (A) is wired cor-
rectly as it is within 1,000'/
305m of the panel, in wire
distance.
Module
wired correctly as it is
within 1,000'/305m of the
panel,
in wire
Module (C) is NOT wired
correctly as it is further than 1,000'/305m from the panel,
in wire distance.
2.5 Current Ratings - Modules & Accessories
In order for the PC5020 system to operate properly, the
power output capabilities of the main control and expan-
sion devices must not be exceeded. Use the data pre-
sented below to ensure that no part of the system is
overloaded and cannot function properly.
PC5020 Device Ratings (@ 12 V
• LCD5500Z Keypad: 85 mA
• LCD5501Z Keypad: 45mA
6
Keybus
(B)
is
distance.
)
DC

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