Emcotec RC Electronic DPSI BMS Manual de usuario
Operating Manual
DPSI BMS Operating Manual Version 1.0
Page 2 of 32
Contents
1. Preface .............................................................................................3
2. Features ...........................................................................................3
3. Properties of the DPSI BMS ...........................................................6
3.1. LC-Display...............................................................................7
4. Packing Contents............................................................................8
5. Optional Accessories .....................................................................9
5.1. DPSI BMS Accessory Set........................................................9
6. Mounting Instructions ..................................................................10
6.1. Mounting of the DPSI BMS....................................................10
7. Soldering of the Battery Connectors ..........................................13
8. Charging Instructions for Batteries............................................. 15
9. Initial Operation.............................................................................16
9.1. Automatically Switching On/Off .............................................16
9.2. Manually Switching On/Off ....................................................18
9.3. The DPSI BMS in Operation..................................................18
9.4. LC-Display Indications for the 2 Channel DPSI BMS............19
9.5. LC-Display Indications for the 1 Channel DPSI BMS............23
10. Resetting the Memorized Values...............................................25
11. Programming the DPSI BMS......................................................26
12. Safety Instructions......................................................................27
13. Technical Data of the DPSI BMS................................................ 29
13.1. Measuring Parameters of the DPSI BMS ............................30
14. Warranty.......................................................................................30
DPSI BMS Operating Manual Version 1.0
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1. Preface
With the DPSI BMS (Dual Power System Interface – Battery
Monitoring System) you purchased a high quality and reliable
measuring system for battery power supplies. We thank you for your
faith in EMCOTEC GmbH and assure you that you have made the right
decision! Years of experience in development and manufacturing of
electronic systems went into the DPSI BMS. All products are
manufactured completely in house at EMCOTEC GmbH in Germany.
In-house manufacturing, careful quality assurance and a 100% test of
all shipped systems assure you of the highest reliability and
functionality.
Please read this operating manual carefully in order to use all functions
of the DPSI BMS optimally. We wish you continued success and
enjoyment with this high quality product!
2. Features
The DPSI BMS (Dual Power System Interface – Battery Monitoring
System) is the first monitoring and displaying system for batteries of
twin power supplies for use in large model airplanes.
For operation, the DPSI BMS is simply put in between both batteries
and the already mounted battery switch. Switching on and off occurs
fully automatically as soon as current is drawn (when equipment turned
on) or no current is drawn (when equipment turned off).
The DPSI BMS displays all relevant measured values in plain text.
Besides the battery voltages and currents of the connected consumers
(minimum / average / actual / maximum values), withdrawn capacity as
well as turn on time is displayed.
DPSI BMS Operating Manual Version 1.0
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Due to the manifold information indicated by the DPSI BMS,
malfunctions in the receiver set can be detected:
- Sticky control rods or defective servos can be diagnosed due
to higher current consumption.
- Eventual malfunction of a battery or in the battery switch
(e.g. inbalanced discharge of the batteries) can be detected
as well.
- Programming of end stops of servos is simplified where no
optical control is possible (e.g. throttle servo), because the
increasing current will indicate mechanical end stop.
As a specialty, both battery circuits in the DPSI BMS are galvanically
separated! This means, no electrical connection between each other
exists. This allows you to use one battery for the ignition system and
another one for the receiver set and operate both without any
influence. Due to the galvanic separation, it is also possible to operate
the DPSI BMS in connection with all battery switches currently
available on the market.
The measured values are derived from high precision 12 bit A/D
converters. Due to this elaborate design, constant currents of 10 amps
are permissible for each channel. Peak currents of up to 30 amps per
channel are permissible, thus allowing the usage of the DPSI BMS
even in big model airplanes where many servos are in use.
In case only one battery is to be monitored, a single channel version of
the DPSI BMS is available. Here, just one battery is connected and its
parameters (voltage, current, capacity, etc.) are displayed.
DPSI BMS Operating Manual Version 1.0
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Three printed circuit boards, equipped on both sides with most modern
parts allow for optimal space usage and are integrated into a stable
and ergonomic housing. Usage of pin-and-socket connectors allow for
simple exchange of connector cables and guarantees maximum
flexibility.
DPSI BMS: intelligent solutions ergonomically packaged!
DPSI BMS Operating Manual Version 1.0
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Summary:
The DPSI BMS allows for full control of two independent batteries. This
means:
Two independent batteries connectable (galvanically
separated)
Two 12 bit A/D converters for high precision data
acquisition
Automatic On/Off switching; therefore only single
switch necessary
LC-Display with indication of voltage, current, capacity,
operating time of each battery or both batteries together
with min./max.- and average values
1 channel version and 2 channel version available
3. Properties of the DPSI BMS
Displaying system for two separate batteries in battery switches or
other applications
Easily fitted between battery and consumer
Discharges the battery with only 10 µA in turned off state
Automatically switches On/Off without additional switch
2-4 cell LiIon / LiPo batteries usable
5-12 cell NiCad / NiMH batteries connectable
Up to 10A constant current per channel permissible
Up to 30A peak current durable
Programmable user language (German / English)
Wireless system, i.e. all leads is pluggable and therefore
exchangeable at any time
High-quality plastic housing including bracket for the battery
connectors
DPSI BMS Operating Manual Version 1.0
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Proof recognition of erroneous linkages (through increased
current consumption)
Proof recognition of defective or decrepit batteries
Three double side populated printed circuit boards for highest
packing density and therefore small dimensions
Each system 100% tested
3.1. LC-Display
The LC display shows all information in plane text using 2 lines, 8
characters each:
- Actual voltage battery 1 and battery 2
- Actual current battery 1 and battery 2
- Minimum voltage battery 1
- Minimum voltage battery 2
- Maximum voltage battery 1
- Maximum voltage battery 2
- Maximum current battery 1
- Maximum current battery 2
- Average current battery 1
- Average current battery 2
- Maximum current battery 1 + battery 2
- Average current battery 1 + battery 2
- Withdrawn capacity battery 1
- Withdrawn capacity battery 2
- Withdrawn capacity battery 1 + battery 2
- Flight time (Operating time in minutes)
The withdrawn capacity (in mAh) and the operating time (in minutes)
can be reset on demand.
DPSI BMS Operating Manual Version 1.0
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4. Packing Contents
Included in delivery of the DPSI BMS
DPSI BMS basis device
Screwing frame for M3 stop nuts
2 pieces of screws M3x20 with stop nuts
Bracket for securing the MPX connectors
Operating manual
EMCOTEC sticker
Carrying case
DPSI BMS Operating Manual Version 1.0
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5. Optional Accessories
5.1. DPSI BMS Accessory Set
The DPSI BMS accessory set contains two connector cables, 30 cm
(11.8”) each, which are put in between the DPSI BMS and the battery
switch (1 cable for the 1 channel version). Therefore, no soldering work
is necessary if MPX connectors are already in use (from the battery to
the battery switch).
The accessory set also contains a bracket (for spare) which serves as
a lock for the MPX connectors.
DPSI BMS Operating Manual Version 1.0
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6. Mounting Instructions
6.1. Mounting of the DPSI BMS
The DPSI BMS is designed as a cockpit instrument and therefore can
be mounted as such (especially interesting for scale models). Of
course, mounting on a small board inside the fuselage is also possible.
The mounting place should not be exposed to extreme vibrations (as is
the case at a fuselage’s side wall without a strengthening frame). The
DPSI BMS is solid mounted by the accompanying frame which serves
as a counter bearing. By the way, the frame can serve as a positioning
device for the cutout of the DPSI BMS.
The screwing connection is accomplished with the delivered M3
screws and stop nuts, which do not get loose even when exposed to
vibrations.
Dimensions for mounting:
After mounting, the connector cables can be put into their
corresponding plugs/sockets. In order to avoid loosening of the
connections caused by vibrations, the accompanied bracket is fed in
between the positive and negative pole of the connection cable and
locked at the sides of the housing of the DPSI BMS. Herewith, the
connectors are secured against vibrating loose.
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