HB 120 Installation manual 4-HB120-01
©2019 Alarmtech Rev. HB120_1910en Page 1from 2
Detectors
PANIC BUTTONS
Installation instruction HB 120
DESCRIPTION
An electronically Panic Button has a far better
reliability then a mechanical one. Contact problems
and reliability problems are eliminated and there are
a lot of logical functions added as well. The electronic
gives a well-defined output to alarm systems. HB120 is
preferably used in applications, like banks and other
high security installations, to all kinds of installations
where call for attention in a hold-up or trouble
situation is needed.
INSTALLATION
HB 120 is only designed for indoor applications.
Mount the contact under a table, counter or in a
place where you might need to call for help.
Mount the contact with the enclosed two screws
diagonally placed.
HB 120 has a built-in tamper protection of the lid.
ALARM 1
HB 120 signals Alarm 1 when the two buttons are
pressed at the same time. When Alarm 1 occur the
built-in LED shows red light. This indication is shown
until reset either by 0 V on terminal 12 or by pressing
the reset button through the hole in the lid. With
jumper J2 the contact can be programmed to only
require one button to be pressed for Alarm 1. In Alarm
1 mode the relay output can be programmed to hold
until reset or to automatically reset after two seconds.
The LED is not dependent of this programming; the
LED is latched in alarm and must always be reset.
Alarm 1 has a output for external indication. This
indication output follows the LED. Output rating
50mA, goes negative on alarm.
ALARM 2
HB 120 signals Alarm 2 when one button, no matter
which one, is pressed. When Alarm 2 occur the built in
LED shows yellow light. This indication can be
programmed to be reset or only be active as long as
the button is pressed. The Alarm 2 relay output can be
programmed to hold until reset or automatically reset
after two seconds. The relay output can also be
programmed to only hold during the actual pressing of
the button.
PRIORITY
Alarm 1 has priority over Alarm 2. If both buttons are
pressed during an Alarm 2 state an Alarm 1 will be
signalled and indicated. Both alarm relays will be
activated.
POWER LOSS
In case of a power loss sabotage alarm will be
signalled.
PROGRAMMING
The programming of the HB 120 is done with the four
jumpers J1 –J4, see picture below.
J1 controls the Alarm 1 relay output.
Jumper closed gives relay hold until reset.
Jumper open gives automatic reset after 2 seconds.
J2 controls if one or two buttons shall give Alarm 1.
Jumper closed gives one button, no matter which one
or both buttons for Alarm 1.
Jumper open gives two buttons for Alarm 1.
Note! J2 must be open if Alarm 2 is to be functional.
J3 controls the Alarm 2 relay output.
Jumper closed gives relay output to be set by the
Alarm 2 LED programming of jumper J4. If J4 is closed
the relay output is in hold mode until reset and if J4 is
open the relay output is activated during the actual
pressing of the button.
Jumper open gives relay output follows the pressing
of the button for 2 seconds and is then automatically
reset.
J4 controls the yellow LED Alarm 2 indication.
Jumper closed gives yellow indication that holds until
reset.
Jumper open gives yellow indication that follows the
button status.
