Velocity Operation Manual
www.velocitydetection.com
24
You can change the type of each output to either
‘Sounder’, ‘Bell’ or ‘Voltage’.
Sounder
Provides power for, and handles communications to
the non-addressable notification appliances (horns
and sirens). Sounder mode provides a synchronized
output (on velocity NAC devices only). It provided a
steady 24V, with sync pulses once per second.
Bell
Provides a 24v output for use with mechanical fire
alarm bells. This output will pulse the 24V on and off
to achieve the required sound pattern.
Voltage
Provides a continuous 24v DC output for use with
auxiliary equipment.
To change the output type, press on the + button to
cycle through the options.
(NOTE: When NCA/NCB has been set to ‘Voltage’
mode, the module ‘24V ON’ LED will be lit [Green
constant]). When it is set to Bell, the 24V on LED will
be flashing.
When you have finished configuring the module
output, you can press the
or
arrows to change
to the next output number on the module, or press
to exit and either confirm or dismiss the changes.
Setting ZMA & ZMB & MIM Module Options
The below is an example on how to change the VL/ZMB options. However, the procedure to change the settings for the VL/ZMA &
VL/MIM is the same.
From the ENGINEER MENU, press the Local I/O Icon.
The panel will show the module selection screen.
Select the required port number. The port number is
shown in the brackets on the left. When you select a
module it will become highlighted. The up and down
arrows can be used to cycle through pages. Press the
green tick to confirm the selection.
Panel Designations:
VL/ZMA (Zone Monitor – 3 x Class A) = Zone Class A
VL/ZMB (Zone Monitor – 6 x Class B) = Zone Class B
VL/MIM (Multi Input – 6 x Class B) = Input Class B
The port number will be labelled on the TRM PCB
inside the panel and are also shown in the Velocity
Installation manual (Doc: GLT-261-7-1).