Ventev BTRM-200 is a Battery Test Remote Monitoring system that offers advanced monitoring and alarm capabilities for remote enclosures. It features four independent, ground-referenced IO channels, enabling various applications such as door alarms, AC power failure alerts, DC power status monitoring, and more. With its ability to measure and report voltages, the BTRM-200 provides valuable insights into the health of your critical equipment, helping you proactively prevent downtime and ensure reliable operation.
Ventev BTRM-200 is a Battery Test Remote Monitoring system that offers advanced monitoring and alarm capabilities for remote enclosures. It features four independent, ground-referenced IO channels, enabling various applications such as door alarms, AC power failure alerts, DC power status monitoring, and more. With its ability to measure and report voltages, the BTRM-200 provides valuable insights into the health of your critical equipment, helping you proactively prevent downtime and ensure reliable operation.
Ventev | 10999 McCormick Road, Hunt Valley, MD 21031
REV 070821
HOW TO USE THE
BTRM
In Remote Enclosures
Part Number: BTRM-300 and BTRM-400
Product Release Date: June 24, 2021
Software Version: BTRM400v4619-202106-23
The Ventev Battery Test Remote Monitoring (BTRM) system has four independent, ground reference IO
channels. Channels one and two can be used to activate relays, audible indicators, or lamps by pulling
the IO pin to ground under certain alarm conditions. These channel contacts are normally open when
power is off. The user can select normally open or normally closed under an alarm condition. The
maximum relay ratings for the contact are 60 volts, 80 milliamps. It is not recommended to use to
directly operate AC line connected equipment. The channel contacts are available for basic RTU
functionality. Example configurations include:
• Door alarm
• AC power off
• DC power on
Channels three and four can be used to measure the voltage present (ground referenced). This can be
used to monitor equipment voltages in the system. The maximum relay ratings for the contact are 60
volts, 80 milliamps. It is not recommended to use to monitor AC line voltages.
2
How to Install BTRM in Remote Enclosure | ©2021 Ventev | Ventev.com
Door Alarm
The most common application for the relay contacts is a door alarm. The door alarm consists of an
adjustable, polycarbonate pin switch and a door bracket for the pin switch. A DC voltage is applied to
the pin switch as shown in Figure 1. The ground contact of the alarm does not have to be connected
to complete the circuit, since the contacts of the BTRM are ground referenced.
Once the alarm electrical connections have been made, the BTRM IO options need to be configured.
On the BTRM webpage, click on the Port Options tab on the left to go to the BTRM Options page
(configure arrow in Figure 2). Under the IO Channel being used for the alarm, the Digital Input Alarm
if > 2V should be set (setting arrow in Figure 2). Click the save radio button at the bottom of the page
after you have completed the changes (save arrow in Figure 2).
Figure 1: Door Alarm Wiring Configuration
DOOR
SWITCH
Battery -
Load -
Charger -
Power Supply -
Battery +
Charger +
Power Supply +
Load +
IO Channel 1+
IO Channel 2+
IO Channel 4+
IO Channel 3+
RJ45
Ground
Ground
BTRM300
SYSTEM LOAD
- NEG
+ POS
FUSE
BLOCK
18 AWG 18 AWG
3
How to Install BTRM in Remote Enclosure | ©2021 Ventev | Ventev.com
The door alarm status is shown on the BTRM status home page (Figure 3). When the door on the
enclosure is closed, the polycarbonate pin switch will be open circuited. There is no voltage going to
the contact on the BTRM. The Analog V will show 0V for Channel CH1 and show “off” for Digital In.
When the door on the enclosure is opened, the polycarbonate pin switch will close the circuit. There
will be a voltage going to the contact on the BTRM. The Channel CH1 will show the voltage from the
Figure 2: BTRM Options for Door Alarm
Figure 3: BTRM System Status Page
Showing Door Alarm Indication
ALARM
INDICATION
ON
CONFIGURE
SAVE
SETTING
4
How to Install BTRM in Remote Enclosure | ©2021 Ventev | Ventev.com
system load for Analog V and show “on” for Digital In, which indicates that an alarm message has
been sent from the BTRM to the IT network.
AC Power Off
Another application for the relay contacts is an AC power off alarm. This alarm works in conjunction
with DC OK dry contacts of a power supply. A positive voltage of the DC fuse distribution is applied to
the BTRM IO channel via the DC OK contacts as shown in Figure 4. The IO channel ground contact of
the BTRM connects to the negative voltage of the DC fuse distribution.
Once the electrical connections have been made to IO Channel 2, the BTRM IO options need to be
configured. On the BTRM webpage, click on the Port Options tab on the left to go to the BTRM
Options page (configure arrow in Figure 5). Under the IO Channel being used for the alarm, the Digital
Input Alarm if < 1V should be set (setting arrow in Figure 5). Click the save radio button
at the bottom of the page after you have completed the changes (save arrow in Figure 5).
Figure 4: AC Alarm Wiring Configuration
Battery -
Load -
Charger -
Power Supply -
Battery +
Charger +
Power Supply +
Load +
IO Channel 1+
IO Channel 2+
IO Channel 4+
IO Channel 3+
RJ45
Ground
Ground
BTRM300
BTRM400 DC OK -
DC OK +
Line
Neutral
Ground
Power Supply
AC
SOURCE
GND
DC FUSE
DISTRIBUTION
18 AWG
18 AWG
18 AWG
18 AWG
5
How to Install BTRM in Remote Enclosure | ©2021 Ventev | Ventev.com
The AC alarm status is shown on the BTRM status home page (Figure 6). When the AC power to the
enclosure is present, the DC OK relay in the power supply is closed. A closed loop circuit is made
between the power supply and the BTRM. The Channel CH2 will show the voltage from the system
load for Analog V and show “off” for Digital In. When the AC power to the enclosure is disconnected,
the DC OK relay in the power supply is open. The circuit between the power supply and the BTRM is
Figure 5: BTRM Options for AC Alarm
Figure 6: BTRM System Status Page
Showing AC Power Indication
ALARM
INDICATION
ON
CONFIGURE
SAVE
SETTING
6
How to Install BTRM in Remote Enclosure | ©2021 Ventev | Ventev.com
now open. The Analog V will show 0V for Channel CH2 and show “on” for Digital In, which indicates
that an alarm message has been sent from the BTRM to the IT network.
DC Power On
An application like the AC power off alarm is the DC power alarm. This alarm works in conjunction
with a DC power distribution panel. The positive and negative contacts of the DC distribution connect
to the respective BTRM relay contacts as shown in Figure 7.
Once the electrical connections have been made to IO Channel 2, the BTRM IO options need to
be configured. On the BTRM webpage, click on the Port Options tab on the left to go to the BTRM
Options page (configure arrow in Figure 8). Under the IO Channel being used for the alarm, the Digital
Input Alarm if < 1V should be set (setting arrow in Figure 8). Click the save radio button at the bottom
of the page after you have completed the changes (save arrow in Figure 8).
The DC alarm status is shown on the BTRM status home page (Figure 9). When power is applied to
the DC distribution, there is a voltage going to the contact on the BTRM. The Channel CH2 will show
the voltage from the system load for Analog V and show “off” for Digital In. When the DC power is
removed from the DC distribution, there is no voltage going to the contact on the BTRM. The Analog V
will show 0V for Channel CH2 and show “on” for Digital In, which indicates that an alarm message
has been sent from the BTRM to the IT network.
Figure 7: DC Alarm Wiring Configuration
Battery -
Load -
Charger -
Power Supply -
Battery +
Charger +
Power Supply +
Load +
IO Channel 1+
IO Channel 2+
IO Channel 4+
IO Channel 3+
RJ45
Ground
Ground
BTRM300
BTRM400
DC FUSE
DISTRIB UTION
18 AWG
18 AWG
18 AWG
18 AWG
7
How to Install BTRM in Remote Enclosure | ©2021 Ventev | Ventev.com
Additional Applications
The two independent, isolated relay contacts in the BTRM can also be used for:
• Checking component voltages
• Activating a camera when an alarm indication occurs
• Monitoring thermal conditions via thermal couple
• Relaying low battery capacity alarm to a SCADA radio
• Operating external DC relays to control audible alerts or alarm lights
Figure 8: BTRM Options for DC Alarm
Figure 9: BTRM System Status Page
Showing DC Power Indication
ALARM
INDICATION
ON
CONFIGURE
SAVE
SETTING
-
1
-
2
-
3
-
4
-
5
-
6
-
7
Ventev BTRM-200 is a Battery Test Remote Monitoring system that offers advanced monitoring and alarm capabilities for remote enclosures. It features four independent, ground-referenced IO channels, enabling various applications such as door alarms, AC power failure alerts, DC power status monitoring, and more. With its ability to measure and report voltages, the BTRM-200 provides valuable insights into the health of your critical equipment, helping you proactively prevent downtime and ensure reliable operation.
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