Section 2: Installation
Note: Any module can be connected anywhere along the Corbus. Separate wire runs for keypads, zone expanders etc. are
not necessary.
Note: No module can be more than 1,000'/305m (in wire length) from the panel. Do not use shielded wire for Corbus wiring.
Figure 2-3 Corbus Wiring
Module (A) is wired correctly 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 farther than 1,000'/305m from the
panel.
Current Ratings
In order for the system to operate properly, the power output of the alarm controller and power supply modules cannot be
exceeded. Use the following data to ensure that the available current is not exceeded.
Table 2-1 System Output Ratings
Device Output Rating (12VDC)
HS2016-4
HS2016
HS2032
HS2064
HS2128
AUX: 700mA. Subtract the listed rating for each keypad, expansion module and accessory
connected to AUX or Corbus. At least 100mA must be reserved for the Corbus.
BELL: 700mA. Continuous rating.
2.0A. short term. Available only with standby battery connected. Not for UL/ULC or EN
certified applications.
HSM2208 AUX: 250mA. Continuous rating. Subtract for each device connected. Subtract the total load
on this terminal from the alarm panel AUX/Corbus output.
HSM2108 AUX: 100mA. Subtract for each device connected. Subtract the total load on this terminal
from the panel AUX/Corbus output.
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