IDS X-Series Training v2.7 | Hardware
8.5. IDS Bus Isolator
The IDS RS485 Bus Isolator protects the X-Series keypad bus from ground loop problems and potential
voltage spikes. IDS recommends using the IDS RS485 Bus Isolator when installing X-Series keypad bus
expanders or receivers in separate buildings or floors. It also allows any X-Series keypad bus device to be
powered from a separate power supply.
8.6. IDS X-Series Keypads
The X-Series panel supports a total of eight keypads which can be either
LCD or LED keypads. They are wired into the X-Series keypad bus as
shown.
The keypad has a programmable output (PGM). The PGM functions
the same as the onboard programmable outputs, except that it
triggers with 5V and not 12V.
The zone works exactly like a normal zone with an end-of-line resistor.
When using the zone it will replace the zone that it has been
programmed as. E.g. if the keypad zone has been programmed as
zone 5, then zone 5 on the panel will be shut down and cannot be
used.
8.7. Keypad Enrollment
All new keypads connected to an X-Series will need to be enrolled. An unregistered LED keypad will have
all LEDs flashing and an LCD keypad will display "Unreg", as shown in the example below.
Simply press the hash # key to enrol a keypad to the X-Series panel. Keypad IDs are assigned to keypads
on enrolment in the order of enrolment, from Keypad ID 1 to Keypad ID 8.
A door contact wired to the keypad zone, and an LED wired to the programmable output.
DC 12v Power from
Panel or RS485
source.
Separate DC 12v Power
supply, which can also be
used to power X-Series
expanders or keypads on
the 2nd side of the Isolator.
X-Series RS485 bus
source. This is not always
direct from the panel,
could be via X-Series zone
expander or even another
isolator.
Isolated X-Series RS485
bus output. Could be
used to connect to X-
Series Zone expanders,
keypads or receivers.
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