B+K precision 9110 User manual
Safety Regulations
To avoid electrical shock, do not open the cabinet. Refer servicing to
qualified personnel only.
To avoid injuries, always disconnect power, discharge circuits, and
remove external voltage sources before touching components.
KEEP AWAY FROM LIVE CIRCUITS.
We cannot accept responsibility for any direct or indirect financial
damage or loss of profit that might occur when using the power supply.
The instrument chassis and cover must be connected to an electrical
ground.
WARNING
Compliance Statements
This product is subject to Directive 2002/96/EC of the European
Parliament and the Council of the European Union on waste
electrical and electronic equipment (WEEE) , and in jurisdictions
adopting that Directive, is marked as being put on the market after
August 13, 2005, and should not be disposed of as unsorted
municipal waste. Please utilize your local WEEE collection
facilities in the disposition of this product and otherwise observe all
applicable requirements.
Disposal of Old Electrical & Electronic Equipment (Applicable in the European
Union and other European countries with separate collection systems)
Protective Ground (Earth terminal)
Safety Symbols
Front Panel layout
CC mode indicator
CV mode indicator
OCP indicator
OVP indicator
Keys locked indicator
Shift mode indicator
Output off indicator
knob
Display Voltage and Current setting
Secondary function key
Output +
Output -
Ground
Main power on/off
Air flow input
Keyboard lock (Shift)
Store voltage-ampere combination (Shift)
Current value
Cursor position B or preset B is active
Voltage value
Toggle between Voltage/Current
setting or store/recall preset D
Set Voltage indicator
OCP indicator
OVP indicator
Preset mode indicator
Set Current indicator
Output on/off
Enter or store/recall preset C values
Move cursor left or store/recall
preset A values
Current value
Cursor position A or preset A is active
Cursor position C or preset C is active
Cursor position D or preset D is active
Enter OVP, OCP, preset mode
Move cursor left or store/recall
preset B values
Recall Preset values
Introduction
The 9110 is a new type of power supply. Unlike conventional
power supplies with fixed output ratings, the 9110 automatically
recalculates voltage/current limits for each setting, forming a
constant power hyperbolic shaped boundary as illustrated in the
diagram below. Any Volt/Amp combination that doesn’t exceed
100W, 60V or 5A can be set. By providing greatly expanded
choices of maximum power volt-ampere combinations, users can
cut down on the number of power supplies required and free up
valuable bench space.
12345
20
40
60
I
V
Power
100%
When setting the voltage to the maximum
value of 60V, the max. current value is
100W / 60V = 1.66A. For a 10V setting,
the max current is limited to 5A, in which
case the maximum output power is only
50W.
A maximum output power of 100W is
possible for all V/A combination that lie on
the hyperbolic curve.
Example:
Features
Bright, easy to read display
Low ripple and noise
10mV/1mA resolution over the full range
Digitally controlled, mixed linear/switching mode DC power supply
Output ON/OFF Control
Very compact size and light weight
High reliability due to OVP, OCP and OTP (over voltage, over
current, over temperature) protection
Store/Recall 100 groups with 4 sets of Volt/Amp memories each
CV (Constant Voltage) and CC (Constant Current) operation
Installation
Unpacking the instrument
This instrument was carefully inspected before shipment. Upon receipt,
inspect the instrument for damage that might have occurred in transit. If any
sign of damage is found, notify your B+K Precision distributor.
Check the list of supplied items
Verify that you have received the following items with your power supply. If
anything is missing, contact your authorized B+K Precision distributor.
- Power cord
- Instruction manual
Power Requirements
The 9110 can operate on 110V AC or 220V AC. Before connecting the power
cord to an AC outlet, make sure the voltage selector in the rear is set to the
correct line voltage.
If necessary, replace fuses according to this table.
The instrument power fuse is located in a fuse compartment below the AC
input receptacle. To access the fuse, first disconnect the power cord and then
remove the fuse cartridge.
Power-on procedure
Turn on the instrument by pressing the main power switch on the front panel
of the unit. The instrument will automatically revert to the last setting before
the power was turned off.
T0 2.5A, 250V198V to 242V220V AC
T0 3.15A, 250V99V to 121V110V AC
FuseRangeLine voltage
The 9 pin D-sub connector in the rear is for factory use only!
This instrument does not offer a remote control interface.
Note
Quick Start
Set Voltage
Set Current
Turn output On/Off
Press to toggle the output between
ON or OFF. The OFF LED is lit when
the output is turned off. Each time you
press the key, the display will blink
for 3 seconds and the set value for Volts
and Amps is displayed. Afterwards, if
the instrument has been set to ON, the
actual output values for voltage and
current are displayed.
On/OffOn/Off
On/OffOn/Off
Set Voltage
V
A
100W Multi Range 60V/5A DC Power Supply CV CC
OVP OCP
OFF Shift
Lock Preset
ABCD
cursor in B position
9110
Press the key to turn the “V”
indicator on. Now you can set the voltage
value. Use the cursor keys
to highlight the desired digit then adjust
its value with the knob.
In this example the cursor is set to
position and the voltage value can be
adjusted in 1V increments.
BB
DV/A
DV/A
AA
B
cursor in A position
V
A
CV CC
OVP OCP
OFF Shift
Lock Preset
ABCD
Set Current
100W Multi Range 60V/5A DC Power Supply
9110
V
A
CV CC
OVP OCP
OFF Shift
Lock Preset
ABCD
Output OFF Indicator
100W Multi Range 60V/5A DC Power Supply
9110
Press the key to turn on the “A”
indicator. Now you can set the current
value. Use cursors
to highlight the desired digit then adjust
its value with the knob.
In this example the cursor is set to
position and the current value can be
adjusted in 1A increments.
DV/A
DV/A
AA
BB
A
The power supply usually displays the actual voltage and current value. Press
twice to check the set value for voltage and current. The display will blink for 3
seconds while displaying the set values.
ShiftShift
Check the Set Voltage and Set Current Value
Cursor Position and Step Size
A
B
C
D
Cursor position Voltage step size Current step size
1V
0.1V
0.01V
1A
0.1A
0.01A
0.001A
Key Lock Function
OVP Function
Press then press and hold the
(Setup) key for 3 seconds.
Afterwards the LCD will display OVP
and you can adjust the OVP value using
the cursor keys and the
knob.
ShiftShift
DV/A
DV/A
AA
BB
OCP Function
The output of the power supply will
automatically turn off if the OVP and
OCP value are less than the actual
voltage and current value. Default
setting are OVP=61V and OCP=5.1A.
Note
This function locks the keyboard to prevent unintended modification of power
supply settings. Press (Shift LED will be lit), followed by the (Lock)
key. Now the keys and the knob are locked and the Lock LED is lit. Press the
Shift key followed by the Lock key again to disable the Lock function.
CC
ShiftShift
V
A
CV CC
OVP OCP
OFF Shift
Lock Preset
ABCD
OVP Value
100W Multi Range 60V/5A DC Power Supply
9110
V
A
CV CC
OVP OCP
OFF Shift
Lock Preset
ABCD
OCP Value
100W Multi Range 60V/5A DC Power Supply
9110
After the OVP value is set, press to
enter OCP mode. Use the cursor keys
and the knob to set the
OCP value.
CC
AA
BB
Selecting a Group Number
V
A
CV CC
OVP OCP
OFF Shift
Lock Preset
ABCD
100W Multi Range 60V/5A DC Power Supply
9110
To enter this mode, you have to step
through the previous 4 modes first. From
address mode, press to enter group
mode. Use the cursors and
the knob to select a group number.
There are 100 groups, each group can store
4 sets of voltage/current values. Press
to confirm the entry of the selected group
number.
CC
AA
BB
CC
Key sound
Once the OCP value is set, press
to enter the BEEP mode. Use the knob
to turn the key sound ON or OFF.
Press to confirm.
CC
Set address
Press twice to skip the address
menu and advance to the group menu.
Note:
This setting is for factory use only and
can be ignored.
CC
V
A
CV CC
OVP OCP
OFF Shift
Lock Prog
ABCD
9110
100W Multi Range 60V/5A DC Power Supply
CC
V
A
CV CC
OVP OCP
OFF Shift
Lock Prog
ABCD
9110
100W Multi Range 60V/5A DC Power Supply
V
A
CV CC
OVP OCP
OFF Shift
Lock Prog
ABCD
9110
100W Multi Range 60V/5A DC Power Supply
Preset Mode
Trouble shooting hints
2. Check if the OFF indicator is lit. If so, press the key to turn the output on.
3. Check if the OCP or OVP indicator is lit. If so, set the OVP or OCP value
appropriately.
If the output is disabled
1. Check if the voltage and current values are zero. If set to zero, set the voltage and
current value again.
If keys are disabled
Check the Lock LED. If it is lit, disable the Lock function.
On/OffOn/Off
Press followed by the (Preset) key. The Preset LED will turn on to indicate
that the Preset mode is now active. The most recently selected group number will
automatically be activated. To activate the preset values from a different group, follow
the instructions in “Selecting a group number”. Press one of the
keys to recall one of the corresponding stored Volt/Amp sets assigned in the previous
step. In this mode, the cursor functionality of the A,B,C, D keys is disabled. To exit this
mode, press then (Preset).
BB
ShiftShift
BB
ShiftShift
AA
CC
BB
DV/A
DV/A
Storing Voltage/Current sets
Store up to four sets of voltage/current values to the group number assigned in the previous
paragraph. Press followed by the (Save) key. All 4 cursor LEDs
will blink simultaneously. Press one of the
keys to assign one of the 4 available memory location within this group. Proceed
accordingly for the other 3 sets.
AA
CC
BB
DV/A
DV/A
AA
CD
BA
ShiftShift
Specification
Output Rating Voltage
Current
Model 9110
Load Regulation Voltage
Current
Line Regulation Voltage
Current
0~60 V
<0.01 %+3 mV
<0.01 %+3 mA
<0.01 %+3 mV
<0.1 %+3 mA
0~5 A
Power 100 W
Setting Accuracy Voltage
Current <0.05 %+10 mV
<0.2 %+2 mA
Display Accuracy Voltage
Current
Ripple Current
Voltage
<0.05 %+10 mV
<0.1 %+2 mA
<2.0 mVrms
<5 mArms
Dimension (mm) 88 mm x 175 mm x 282 mm
WxHxD
Weight Net 5.9 lbs (2.65 Kg )
Specifications and information are subject to change without notice.
Please visit www.bkprecision.com for the most current product
information.
3.47” x 6.9” x 11.11”
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