Usb; Reset And Download Buttons; Optional Battery; Figure 8 Voltage Input Selection Jumper Set For - Mircom OpenBAS-HV-NX4AO Installation Manual

Place the jumper on pins 1 and 2 as shown in Figure 8 to power the OpenBAS-HV-NX4AO
from 24 VAC/VDC. Pin 1 is marked by a dot.
1
Figure 8
Place the jumper on pins 2 and 3 as shown in Figure 9 to power the OpenBAS-HV-NX4AO
from 12 V. Pin 1 is marked by a dot.
1
Figure 9
3.5

USB

The full speed USB 2.0 connection is shown in Figure 4. Connect a computer to this port in
order to configure the controller.
3.6

Reset and Download Buttons

Press the RESET button to restart the controller.
The DWNLD button is used for loading firmware on to the controller.
Refer to the OpenBAS Programming Manual for information on upgrading controllers.
3.7

Optional Battery

!
Attention: Caution – The battery used in this device may present a risk of fire or
The OpenBAS-HV-NX4AO has connections for an optional battery, shown in Figure 4. Since
the OpenBAS-HV-NX4AO is normally configured as a slave, it receives the time from the
master, so it does not require a battery. Connect a battery if the controller is configured as a
master or is used as a standalone controller. The Mircom part number for the battery is BT-
025.
14
2 3
Voltage input selection jumper set for 24 V
2 3
Voltage input selection jumper set for 12 V
chemical burn if mistreated. Do no disassemble, heat above 60°C
(140°F), or incinerate. Replace battery with FDK Corporation ML2430
batteries only. Use of another battery may present a risk of fire or
explosion.
Installation