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DSC PC5020 - Keybus Operation and Wiring; Current Ratings - Modules & Accessories

DSC PC5020
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5
Programmable Outputs - PGM1, PGM2, PGM3, PGM4
Each PGM output is designed so that
when activated by the panel, the termi-
nal will switch to ground
PGM1, PGM3, and PGM4 can each sink
up to 50 mA of current. These PGMs
can be used to activate LEDs or a small
buzzer. Connect 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 current is required, a
relay must be used. Refer to the
diagram.
Zone Input Terminals - Z1 to Z8
Each detection device must be connected to a zone on the con-
trol 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 2.9 Zone Wiring on page 7.
Telephone Connection Terminals - TIP, RING, T-1, R-1
If a telephone line is required for central station communication
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 incom-
ing line to the LINKS1000, then from the LINKS1000 to the
PC5020, then from the PC5020 to the PC5936 Intercom and
then from the PC5936 to the house telephones
NOTE: Ensure that all plugs and jacks meet the dimension, toler-
ance and metallic plating requirements of 47 C.F.R. Part 68, Sub-
Part F. For proper operation there must be no other telephone
equipment connected between the control panel and the tele-
phone company facilities.
NOTE: Do not connect the alarm panel communicator to tele-
phone 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 transmissions.
2.3 Keybus Operation and Wiring
The Keybus is used by the panel to communicate with all mod-
ules 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
any module can be connected anywhere along the Keybus,
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 (B) is
wired correctly as it is within
1,000'/305m of the panel,
in wire distance. Module (C)
is NOT wired correctly as it
is further than 1,000'/305m from the panel, in wire distance.
2.4 Current Ratings - Modules & Accessories
In order for the Power864 system to operate properly, the power
output capabilities of the main control and expansion devices
must not be exceeded. Use the data presented below to ensure
that no part of the system is overloaded and cannot function
properly.
PC5020 Device Ratings (@ 12 VDC)
LCD5500 Keypad: 50 mA
PC5532 Keypad: 45 mA
PC5516 Keypad: 45 mA
PC5508 Keypad: 45 mA
LCD5500Z Keypad: 85 mA
LCD5501Z Keypad: 45mA
PC5532Z Keypad: 85 mA
PC5516Z Keypad: 85 mA
PC5508Z Keypad: 85 mA
PC5108 Zone Module: 35 mA
PC5108L Downlook Interface: 60 mA
PC5132 Wireless Module: 125 mA
PC5200 Output Module: 20 mA
PC5204 Output Module: 20 mA
PC5208 Output Module: 50 mA
Escort5580 Module: 150 mA
PC5400 Printer Module: 65 mA
PC5700 Fire Module: 150 mA
PC5936 Audio Interface Module: 65 mA
PC5921 Intercom Audio Station: 20 mA
PC5921 EXT Door Box Audio Station: 20 mA
PC5921 EXT/R Door Box Audio Station: 35 mA
DLM-4L v1.0: 180 mA

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