JETI model Central Box User manual

EN
®
User Manual
EN

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1. Introduction ..................................................................................... 3 EN
1.1 Attributes ................................................................................... 4 EN
1.1.1 Central Box 100 ............................................................... 4 EN
1.1.2 Central Box 210/220 ...................................................... 4 EN
2. Description ........................................................................................ 5 EN
2.1 Central Box 210/220 ................................................................ 5 EN
2.1.1 Central Box 210 ............................................................... 5EN
2.1.2 Central Box 220 ............................................................... 6EN
2.2. Central Box 100 ....................................................................... 8 EN
2.3 Magnetic switch ( Central Box 210/220 ) ............................ 9 EN
3. Connection ..................................................................................... 10 EN
3.1 Power supply of Central Box 210/220 ................................ 10 EN
3.2 Power supply of Central Box 100 ......................................... 12 EN
3.3 Overload protection of servos ............................................ 14 EN
3.4 Connecting Central Box – EX Bus ........................................ 15 EN
3.4.1 Central Box 210/220 .................................................... 15EN
3.4.2 Connecting Central Box 100 ....................................... 15EN
3.5 Alternative functions – digital input .................................. 17 EN
3.6 Alternative functions - digital output ............................... 18 EN
3.7 OUT/IN pin (Central Box 100) .............................................. 19 EN
4. Configuration via JETIBOX ....................................................... 21 EN
4.1 Actual values .......................................................................... 22 EN
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4.2 Minimum / Maximum values ............................................. 22 EN
4.3 Setting ..................................................................................... 23EN
4.4 Out Pin Set ............................................................................... 25 EN
4.5 Alarms .................................................................................... 26 EN
4.6 Service information .............................................................. 27 EN
5. Configuration via the DC/DS transmitter ............................. 28 EN
5.1 Settings .................................................................................... 29 EN
5.2 Alternate functions of pins .................................................. 30 EN
5.3 Servo Fail-Safe ....................................................................... 31 EN
5.4 Servo Output Mapping ....................................................... 32 EN
5.5 Telemetry ............................................................................... 33 EN
5.6 Telemetry Min/Max .............................................................. 33 EN
5.7 Reset to factory settings ...................................................... 34 EN
6. Firmware update ........................................................................... 35 EN
7. Safety precautions for working with magnets ................... 36 EN
8. Technical specifications of the Central Box .......................... 37 EN
9. Warranty, service and the technical support ....................... 38 EN
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1 Introduction ENGLISH
The Central Box is a switchboard designed for the complete
management of servos in a model with an emphasis on safety. The
Central Box 100 and 220 have a unique design that provides
overload protection at each servo output. The Central Box 210
offers maximal unreduced power for each servo (servo outputs do
not have overload protection). The Central Box can manage up to
two batteries and fully supports the JETI EX telemetry system. Up to
three receivers with serial (PPM, EX Bus, S.BUS) output can be
connected to the Central Box 210 and 220. With JETI DC/DS
transmitter, the full potential of the Central Box can be used, such as
an easy way to configure the Central Box, EX telemetry, and very fast
servo response.
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1.1 Attributes
1.1.1 Central Box 100
• Overload protection on each channel
• Possibility to connect up to 2 receivers with serial interface
PPM, EX Bus)
• Built-in Expander function
• 1x MPX battery input connector
• 100Hz mode of servo outputs (10ms period)
• Supports EX telemetry (voltage, current, capacity, and
temperature measurement, overload indication, ...)
• Easy settings changes via DC/DS transmitter
• Firmware updates by user
• Suitable for use with high voltage (HV) servos
• Compact size for easy installation
• Each output is individually configurable (channel assignment,
trim, reverse, ATV)
1.1.2 Central Box 210/220
• Central Box 210 has unreduced power for each servo (without
fuses)
• Central Box 220 has overload protection on each channel (4
outputs for high-torque servos and 11 outputs for standard
servos)
• Support of DITEX telemetry servos
• Possibility to connect up to 3 receivers with serial interface to
(PPM, EX Bus, S.BUS)
• Built-in Expander function for up to 3 sensors
• Input for magnetic switch or RC switch
• 2x MPX battery input connectors
• 100Hz mode of servo outputs (10ms period)
• Supports EX telemetry (voltage, current, capacity,
temperature measurement, …)
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• Easy settings changes via DC/DS transmitter
• Firmware updates by user
• Suitable for use with high voltage (HV) servos
• Compact size for easy installation
• Each output is individually configurable (channel assignment,
trim, reverse, ATV)
2 Description
2.1.1 Central Box 210
• Central Box 210 has 15 outputs for servos (support of DITEX
telemetry servos).
• Each of the outputs can be operated in these modes:
- servo output (default setting)
- Digital output
- Digital input
- Ditex
• Moreover, channels E3/14 and E2/15 are also configurable to
alternative uses, such as:
- an input for telemetry sensor
- EX Bus expander – used for connecting devices which
support the EX Bus protocol (the Central Box, a sensor,…)
- S.BUS Output (only channel E2/15)
• E1/R3 port can be configured for use as:
- an output to connect a JETIBOX or Duplex EX receiver to
configure the Central Box
- an input for telemetry sensors
- EX Bus expander - used for connecting devices which
support the EX Bus protocol (the Central Box, a sensor,…)
- an input for receiver (supports only EX Bus protocol)
The E1/R3 slot is also used for the firmware update connection
(using the USBa - USB adapter).
2.1 Central Box 210/220
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• R1 - primary input for connecting receivers with serial output
(EX bus, PPM or S.BUS)
• R2 - secondary input for connecting receivers with serial output
(EX bus, PPM or S.BUS)
• SW - input is reserved for connecting a magnetic switch or RC
switch (optional accessories).
• BATT1 and BATT2 – MPX connectors for connecting batteries or
a BEC, etc., to power the servos and receivers connected to
the Central Box.
2.1.2 Central Box 220
• Central Box 220 has 15 outputs for servos (support of DITEX
telemetry servos) with individual overload protection. Each of the
outputs can be operated in these modes:
- servo output (default setting)
- Digital output
- Digital input
- Ditex
• Channels 1, 2, 9 and 10 have protection for high-torque servo
up to 60 Kg.cm.
• Channels 3 - 8 and 11 - 15 have protection for standard servo
up to 30 Kg.cm.
• Channels E3/14 and E2/15 are also configurable to alternative
uses, such as:
- an input for telemetry sensor
- EX Bus expander – used for connecting devices which
support the EX Bus protocol (the Central Box, a sensor,…)
- S.BUS Output (only channel E2/15)
• E1/R3 port can be configured for use as:
- an output to connect a JETIBOX or Duplex EX receiver to
configure the Central Box
- an input for telemetry sensors
- EX Bus expander - used for connecting devices which
support the EX Bus protocol (the Central Box, a sensor,…)
- an input for receiver (supports only EX Bus protocol)
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Fig. 1: Central Box210/220 description
E1/
E2
R1
R2
E3
R3
220220220
15 channel protected servo interface
RC Switch
Magnetic Switch
• The E1/R3 slot is also used for the firmware update connection
(using the USBa - USB adapter).
• R1 - primary input for connecting receivers with serial output
(EX bus, PPM or S.BUS)
• R2 - secondary input for connecting receivers with serial output
(EX bus, PPM or S.BUS)
• SW - input is reserved for connecting a magnetic switch or RC
switch (optional accessories).
• BATT1 and BATT2 – MPX connectors for connecting batteries
or a BEC, etc., to power the servos and receivers connected to the
Central Box.
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2.2 Central Box 100
The Central Box 100 has 8 servo outputs with individual
overload protection , labeled with numbers for the output. Each
of the outputs can be operated in these modes:
servo output •
• digital input
digital output •
OUT/IN– universal input/output for switching additional
functions or for supervising the operational status.
Ext1 port can be configured for use as:
• an output to connect a JETIBOX or Duplex EX receiver to
either configure the Central Box or for the output of
telemetry data
• an input for telemetry sensors
• Ext1 slot is also used for the firmware update connection
• EX Bus expander - used for connecting devices which
support the EX Bus protocol (the Central Box, a sensor,…)
Rx1– primary input for connecting receivers with serial output
(Ex Bus or PPM)
Rx2– secondary (backup) input for connecting receivers with
serial output (Ex Bus or PPM)
BATT1– an input for batteries or a BEC, etc., to power the servos
and receivers connected to the Central Box
7
Rx 1
Rx 2
Ext.
Out/In
BATT
8
8 channel servo interface
100100100
input
voltage
4-14V
Input
Voltage
Fig. 2: Central Box 100 description
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2.3 Magnetic switch ( Central Box 210/220)
The magnetic switch is used to turn the CB 210/220 ON or OFF . The
magnetic switch is connected to Central Box 210/220 by the
interconnection cable from normal Master port on the magnetic
switch to a slot labeled "SW" on the Central Box 210/220. To turn on
the Central Box using the magnetic switch it is necessary to hold the
supplied magnet carrier (key) to the target so that the carrier (key)
and the target on the magnetic switch are properly oriented
(align the dots).
Green LED
- flashing LED signals proper detection of the magnet key
- steady LED signals “ON” state
When the magnet key is held to the target in the proper orientation,
the green LED glow steadily after 1 second indicating that the
electronic switch is turned “ON”.
Switching „OFF” is done in a similar manner, when the magnet key
is held to the target in the proper orientation, after 1 second, the
green LED goes off and the system switches off.
If the switch is not plugged in the Central Box, the Central Box is
switched “ON”.
The system remembers whether it has been switched “ON” or „OFF”.
If the system is switched “ON” via the magnetic switch and then the
power supply is disconnected, when the batteries are re-connected
to the system automatically returns to the “ON” state. For safety
Fig. 3: Description of magnetic switch and the key
Key
Target
Led On
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reasons, always switch the system off via magnetic switch before
disconnecting the power batteries.
When turning “ON”, connect the batteries first and then turn the
system on via magnetic switch. Keep the same rule when switching
off. First switch the system “OFF” via magnetic switch and then
disconnect the batteries.
3 Connection
The Central Box is connected to the power supply, receiver, servos,
controller/controllers and eventually sensors. Please follow the
subsequent general guidelines about proper connection of the
Central Box and these other components.
Central Box 100, Central Box 210 and 220 do not contain circuitry
to stabilize or regulate voltage to the servos.
The level of the input voltage is equal to the level of (output) supply
voltage level to the servos. Be sure to match the proper type of servos
with your selected power supply. Eg. when using 2 Li-xx cells without a
regulator, it is necessary to use servos labeled “High Voltage”.
3.1 Power supply of Central Box 210/220
The Central Box 210/220 can be powered from batteries which are
directly connected, via a BEC or a regulator. When selecting power
sources for the Central Box 220, be sure to follow the minimum
power requirements. Together, both power supply methods must
be able to supply a 15A continuous and 90A peak current. If the
power supply is not strong enough, the overload protection feature
of the Central Box 220 may not function correctly. The power
batteries are connected to the Central Box 210/220 using MPX
connectors. The Central Box 210/220 allows up to two batteries to
be connected. During use, the power is actually supplied from the
battery with the higher voltage. If the voltage is the same, the
power can be used from both batteries at the same time. When the
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Fig. 4: Example of the Central Box powered for use with standard
servos (voltage range up to 6V)
voltage of the batteries is different, the power is not shared and
each pack is isolated from each other. This allows you to use
batteries of different capacity, number of cells, and chemistry type.
If the power for the Central Box 210/220 is provided only from one
battery, it can be connected via BATT1 or BATT2 input.
E1/
E2
R1
R2
E3
R3
220220220
15 channel protected servo interface
RC Switch Magnetic Switch
Input
Voltage 6V
SERVO standard
SERVO standard
Rsat2 (R2)
Rsat2 (R1)
Ext.
Ext.
SATELLITE RECEIVER
I
/
0
E
1
R 900 NGsat
Rsat900 NG (E1/R3)
E1/E2
The Central Box cannot be power supplied throug
the servo outputs labeled Y1-15, sensor outputs
labeled E1/R3 or receiver outputs labeled R1-2.
Caution:
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Fig. 5: Example of the Central Box powered for use with HIGH Voltage
servos
3.2 Power supply of Central Box 100
The Central Box 100 can be powered from batteries which are
directly connected, via a BEC, via a regulator or from another
Central Box. When selecting power sources for the Central Box, be
sure to follow the minimum power requirements. Together, both
power supply methods must be able to supply a 15A continuous
and 90A peak current. If the power supply is not strong enough, the
overload protection feature of the Central Box may not function
correctly.
E1/
E2
R1
R2
E3
R3
220220220
15 channel protected servo interface
RC Switch Magnetic Switch
Input
Voltage 8.4V
SERVO
High standard
SERVO High standard
Rsat2 (R2)
Rsat2 (R1)
Ext.
Ext.
SATELLITE RECEIVER
I
/
0
E
1
R 900 NGsat
Rsat900 NG (E1/R3)
E1/E2
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The Central Box 100 can be powered only through the BATT input,
which is supplied with an MPX connector.
Rsat2 (Rx1)
Rsat2 (Rx2)
7
Rx 1
Rx 2
Ext.
Out/In
BATT
8
8 channel servo interface
100100100
input
voltage
4-14V
Input Voltage 6V
SERVO standard
Fig. 6: Example of the Central Box 100 powered for use with standard
servos (voltage up to 6V)
Ext.
Ext.
Rsat2 (Rx1)
Rsat2 (Rx2)
7
Rx 1
Rx 2
Ext.
Out/In
BATT
8
8 channel servo interface
100100100
input
voltage
4-14V
Input Voltage 8.4V
SERVO High Voltage
Fig. 7: Example of the Central Box 100 powered for use with HIGH Voltage
servos
Ext.
Ext.
It is not recommended to supply power to the
Central Box through the outputs for servos labeled
Y1-8, for sensors labeled Ext or for receivers labeled
Rx1-2.
Caution:
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3.3 Overload protection of servos (Central Box 100/220)
The Central Box 100 and Central Box 220 has an overload protection
circuit on every servo output. In case of an overload, the affected
servo output is disconnected from the power supply while the
remaining servo outputs are still powered.
The Central Box 220 has 4 outputs for high-torque servos and 11
outputs for standard servos. Servo outputs for high-torque servos
use resettable fuses with the hold current 6A and trip current 12A
(20°C). The other servo outputs use resettable fuses with the hold
current 2.6A and trip current 5A (20°C).
The hold current means the maximum current which will pass
without tripping in 20°C.
The trip current means the minimum current at which the fuse will
trip in 20°C.
Be aware of the performance of the fuse is strongly temperature-
dependent. If the ambient temperature is high (more than 50°C) we
recommend using the Central Box 210. The same recommendation
applies for the mechanical connection of the several servos.
Central Box 220 generates an alarm if the temperature after the
start is higher than 50°C. It is not recommended to operates with
Central Box 220 while the initialization temperature is higher than
50°C. Otherwise, the performance of the fuses is degraded.
Fig. 8: Correct connection of servos to the Central Box
SERVO
SERVO
SERVO
No
SERVO
No
SERVO
Yes
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Caution:
It is not recommended:
- to connect more Central Box outputs to one servo
- to use a Y cable (connecting two servos to one output)
Caution: R1, R2, E1/R3 are not protected against overload. The
maximum output current is 200mA for each output.
3.4 Connecting Central Box – EX Bus
3.4.1 Central Box 210/220
Receivers can be connected to the Central Box 210/220 using the
R1, R2 and E1/R3 inputs.
Input E1/R3 is necessary to set to a Receiver.
The serial link of the receivers (Ext.) has to be set to EX Bus.
Configuring the Central Box 210/220 is done directly in the
transmitter via EX Bus (Device Explorer).
When operating the Central Box 210/220 with DC/DS transmitter, it
is recommended to use two/three receivers communicating with
the transmitter in the wireless mode „Double path" and Enable 900
MHz Backup
The Central Box 210/220 can be configured in two ways:
-by JETIBOX connection (directly to the Central Box or
wirelessly via the transmitter)
- by DC/DS transmitter via Device Explorer (EX Bus)
see „Fig. 9"
3.4.2 Connecting Central Box 100
Receivers can be connected to the Central Box 100 using the Rx1
and Rx2 inputs.
The serial link of the receivers (Ext.) has to be set to EX Bus.
Ext. is an input for telemetry sensor. Telemetry is transmitted to the
receivers via EX Bus. Ext. can also be configured as an EX Bus output.
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Configuring the Central Box 100 is done directly in the
transmitter via EX Bus (Device Explorer).
The outputs that have been configured as EX Bus outputs can be
used for connecting devices supporting this standard, such as
Central Boxes and certain kinds of sensors.
When operating the Central Box 100 with DC/DS transmitter, it is
recommended to use two receivers communicating with the
transmitter in the wireless mode „Double path".
The Central Box 100 can be configured in two ways:
- by JETIBOX connection (directly to the Central Box or wirelessly
via the transmitter)
- by DC/DS transmitter via Device Explorer (EX Bus)
see „Fig.10"
Fig. 9: Block diagram of Central Box 210/220 connection - EX Bus variant
E1/
E2
R1
R2
E3
R3
220220220
15 channel protected servo interface
Input
Voltage
Rsat2 (R2)
Rsat2 (R1)
Ext.
Ext.
SERVO
SERVO
SERVO/Sensor
Jetibox/Sensor
RC Switch Magnetic Switch
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3.5 Alternative functions – digital input
Using the pin as an input is useful for simple feedback, without the
use of telemetry sensors.
For example: if you attach limit switches to retractable gear, you can
have feedback about its condition during the flight. The condition
of the digital inputs is sent via EX telemetry and the user can assign
sounds or alarms to the events.
Here the pin is configured as an input and its condition
(disconnected / connected to the ground) is sent to the transmitter
as other telemetry data from the sensors.
- Only keep the pin disconnected or connected to the common
ground of the Central Box.
- Never connect to a different voltage. The pin works exclusively in
PullUp mode.
7
Rx 1
Rx 2
Ext.
Out/In
BATT
8
8 channel servo interface
100100100
input
voltage
4-14V
Input Voltage
SERVO
Rsat2 (Rx1)
Rsat2 (Rx2)
Jetibox/Sensor
Fig. 10: Block diagram of Central Box 100 connection - EX Bus variant
Ext.
Ext.
1
Contact, end switch
+
Central Box
Typ.
40kW
Fig. 11 configuration of servo output pin as digital input
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3.6 Alternative functions – digital output
In the digital output mode, only the logical level 1 or 0 is generated
on the port configured this way. The value of this output is
reflecting the assigned output channel and its level. If the servo
position of the specified receiver channel is lower than 0%, i.e.
1.5ms (the decision limit point can be set by the user using the
„Trigger" parameter), the output is set to permanent log. 0 (i.e. 0V). If
the servo position is higher than 0%, log. 1 (i.e. 3.3V) will be
generated on the pin. In the digital output mode, no control
servo pulses are generated for that particular pin. With digital
outputs, the Central Box is even able to control devices that do not
use servo impulse as their input, e.g. lights, sound generators, etc.
different voltage. The pin works exclusively in PullUp mode.
Fig. 12 configuration of servo output pin as digital output
Central Box
1
+Vcc
Log.1 – 3.3V
Log.0 - 0V
Imax=5mA
4.7kW
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8
Rx1
Rx2
Ext.
+ -S
Imax=100mA OUTPUT
OUT/IN
3.7 OUT/IN pin (Central Box 100)
The Central Box 100 is supplied with a special output for switching
loads with a maximum current of 100mA. The pin can be connected
so that the load connected to it will be powered from a common
supply of the Central Box 100, see the picture 13.
S
Internal wiring
OUT/IN
Fig. 13 Configuration of pin OUT/IN as OUTPUT
The second possibility how to switch the loads via the Central Box
100 is to use other power supply than the supply voltage of the
Central Box 100, which still must have a common ground with the
Central Box 100, see picture 14.
8
Rx1
Rx2
Ext.
+ -S
Imax=100mA
OUTPUT
OUT/IN
Fig. 14 Configuration of pin OUT/IN as OUTPUT
Umax. 45V
S
Internal wiring
OUT/IN
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