Burkert 1094 EV User manual
Operating Instructions
Bedienungsanleitung
Manuel d‘utilisation
Electronic controller for vapor recovery
Elektronische Steuerung zur Gasrückführung
Commande électronique pour la recirculation des gaz
We reserve the right to make technical changes without notice.
Technische Änderungen vorbehalten.
Sous resérve de modification techniques.
© 2009 Bürkert Werke GmbH & Co. KG
Operating Instructions 0907/00_EU-ML_00805985
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English
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Operating Instructions
The operating instructions describe the entire life cycle of the device.
Keep these instructions in a location, which is easily accessible to
every user, and make these instructions available to every new owner
of the device.
Failure to observe these instructions may result in hazardous
situations.
The operating instructions must be read and understood.•
Failure to observe the warning will result in a fatal or serious • injury.
Failure to observe the warning may result in serious injuries or • death.
Failure to observe this warning may result in a medium or minor • injury.
Failure to observe the warning may result in damage to the • device or the equipment.
indicates important additional information, tips and
recommendations.
refers to information in these operating instructions or in
other documentation.
designates a procedure which you must carry out.
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Authorized use
The device is designed for the electronic control of vapor recov-• ery in tank installations.
Use according to the authorized data, operating conditions and • conditions of use specified in the contract documents and oper-
ating instructions. These are described in the chapter entitled
“System Description” and “Technical Data”.
The device may be used only in conjunction with third-party • devices and components recommended and authorized by
Bürkert.
Correct transportation, correct storage and installation and • careful use and maintenance are essential for reliable and fault-
less operation.
Use the device only as intended.•
If exporting the system/device, observe any existing restrictions.
The electronic controller for vapor recovery Type 1094 EV must not •
be used in explosive areas.
Do not put any loads on the housing (e.g. by placing objects on it •
or standing on it).
Do not make any external modifications to the device housings. Do •
not paint the housing parts or screws.
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Basic Safety Instructions
These safety instructions do not make allowance for any
contingencies and events which may arise during the installation, •
operation and maintenance of the devices.
local safety regulations – the operator is responsible for observing •
these regulations, also with reference to the installation personnel.
Before reaching into the device or the equipment, switch off the • power supply and secure to prevent reactivation!
Observe applicable accident prevention and safety regulations • for electrical equipment!
To prevent injury, ensure:
That the system cannot be activated unintentionally.•
Installatio• n and repair work may be carried out by authorized
technicians only and with the appropriate tools.
After an interruption• in the power supply or pneumatic supply,
ensure that the process is restarted in a defined or controlled
manner.
The device may be operated only when in perfect condition and • in consideration of the operating instructions.
The general rules of technology apply to application planning • and operation of the device.
The device contains electronic components, which react sensi-
tively to electrostatic discharge (ESD). Contact with electrostati-
cally charged persons or objects is hazardous to these compo-
nents. In the worst case scenario, they will be destroyed immedi-
ately or will fail after start-up.
Observe the requirements in accordance with EN 61340-5-1 •
and 5-2 to minimize or avoid the possibility of damage caused by
sudden electrostatic discharge!
Also, ensure that you do not touch electronic components when •
the power supply voltage is present!
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General Information
The electronic controller for vapor recovery
Type 1094 EV was developed with due consideration given
to accepted safety rules and is state-of-the-art. Never-
theless, dangerous situations may occur.
Failure to observe this operating manual and its operating instructions
as well as unauthorized tampering with the device release us from
any liability and also invalidate the warranty covering the devices
and accessories!
Check immediately upon receipt of the delivery that the contents are
not damaged and that the type and scope agree with the delivery note
and packing list.
If there are any discrepancies, please contact us immediately.
Bürkert Fluid Control Systems
Sales Center
Chr.-Bürkert-Str. 13-17
D-74653 Ingelfingen
Tel. + 49 (0) 7940 - 10 91 111
Fax + 49 (0) 7940 - 10 91 448
E-mail: [email protected]
Contact addresses can be found on the final pages of the printed
operating instructions.
And also on the Internet at:
www.burkert.com Bürkert Company Locations
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System Description
This document contains no promise of guarantee. Please refer to our
general terms of sales and delivery. The warranty is only valid if the
electronic controller for vapor recovery is used as intended in accor-
dance with the specified application conditions.
The warranty extends only to defects in the electronic con-
troller for vapor recovery Type 1094 EV and its components.
We accept no liability for any kind of collateral damage
which could occur due to failure or malfunction of the
device.
The operating instructions and data sheets for Type 1094 EV can be
found on the Internet at:
www.burkert.com Documentation Type
Furthermore, a CD can be ordered by quoting identification number
804625. This CD contains not only these operating instructions, but
also the instructions for other Bürkert products.
When a vehicle is refueled, the gasoline flowing into the tank displaces
an equal volume of gasoline vapor out of the tank. To prevent this gas-
oline vapor from escaping into the atmosphere, it must be extracted.
In the solution offered by Bürkert this extraction process utilizes
underpressure via an upstream proportional valve in the reservoir
tank of the gasoline pump.
An extraction pump conveys the gasoline vapor out of the vehicle
tank and forces it into the reservoir tank of the gasoline pump.
To prevent overpressure in the reservoir tank, the volume balance
between the delivered gasoline and the returned gasoline vapor
must be equalized.
The amount of gasoline added to the vehicle tank is measured via
a calibrated piston meter in the gasoline pump, converted by the
gasoline pump computer into clock signals and signaled to the
electronic controller which then equalizes the volume balance via a
proportional valve.
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System Description
The electronic controller (see Fig. 1: ) analyzes two clock signals from
the gasoline pump computer and uses two electrical PWM control
signals to control the flow opening of the associated control valves
(explosion-protected proportional valve Type 2832, 2832EV, 6022)
and therefore the volumetric flow of the returned gasoline vapor.
The control also features two so-called diesel inputs. If this input is
active, activation of the control valves is suppressed.
Fig. 1: Electronic controller Type 1094 EV
To ensure uniform extraction in the whole control area, a linear char-
acteristic is required.
The originally non-linear valve flow - gas flow characteristic must
therefore be corrected. To do this, various points of the characteristic
are automatically stored in the controller memory when the system is
calibrated with the manual control unit (Type MKNE-1094) . The number
of points depends on the characteristic and is specified by the manual
control unit. The characteristic is also corrected automatically by linear
interpolation between these points.
At the start of the fueling process the amount of delivered gasoline is
calculated in the controller from the measured pulse rate.
Taking into account the linearized characteristic and the K-factor of
the suction rate, the set-point value for the valve flow can now be
determined, and the proportional valve can be activated for extraction
of the gasoline vapor.
With the activation of the proportional valve the vacuum pump is also
started to generate an underpressure.
At the end of the fueling process the gasoline pump computer no
longer generates any pulses and the proportional valve for vapor
recovery is closed.
The vacuum pump is also switched off after the overtravel time.
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System Description
Lines to the
gasoline pump
(gasoline pulse
and
diesel identifier)
Control
electronics
1094 EV
Power supply 24 V DC Power supply for vacuum pump
To the underground tank
Vacuum pump
24 V DC contactor/relay for
switching the pump motor
Proportional valve (e.g. Type 2832)
Suction line
Function diagram of a gasoline pump with vapor recoveryFig. 2:
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Technical Data
The controller Type 1094 EV has a protection class of IP00 and is
not designed for use in the explosion-protected area. If it is used
in the area of tank installations, a short-circuit in the controller
could cause an explosion.
If it used in the area of a tank installation, the controller Type • 1094 EV must be installed in a control cabinet with an appropri-
ate protection class.
Permitted ambient temperature: -25 – +55 °C
(icing over not permitted)
Permitted air humidity: 5 – 85 %
(condensation not permitted)
Icy and wet conditions may damage the device and cause
malfunctions.
Protect device from icy and wet conditions caused by dew, etc. •
Protection class: IP00, the electronics are designed for oper-
ation in the control cabinet only.
CE mark compliant with
EMC generic emission standard
IEC-61000-6-1
IEC-61000-6-2
IEC-61000-6-3
IEC-61000-6-4
BImSchV Bundes-Immissionsschutz-Verordnung
(Federal Emission Protection Ordinance)
21. BImSchV; Ordinance on the Restriction of
Hydrocarbon Emissions during the Refueling of
Vehicles
Housing: Open housing for installation on mounting rail in
accordance with DIN EN 50022 / DIN EN 50035 /
DIN EN 50045
Dimensions: 68 x 76 x 35 mm
Order number: 208373
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Technical Data
Power supply voltage: 24 V DC ±10 %
230 V / 50 Hz -15 % / +10 %
(in conjunction with power supply unit, see
Accessories)
115 V / 60 Hz -15 % / +10 %
(in conjunction with power supply unit, see
Accessories)
Power consumption: 30 mA (without valve current)
700 mA (with valve current from 2 propor-
tional valves, e.g. Type 2932, 2832 EV,
6022 and connected manual control unit)
23456789
1
23
13141516171819202122
10
11
12
Fig. 3: Pin assignment of the controller Type 1094 EV
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Technical Data
Fig. 3:
1 Fuse F1, proportional valves
2 + Input Frequency input
3 GND Gasoline pulse Side 1
4 + Input Diesel identifier Side 1
5 GND
6 + Input Frequency input
7 GND Gasoline pulse Side 2
8 + Input Diesel identifier Side 2
9 GND
10 Switch for side selection for commu-
nication with manual control unit
11
Jumper C03 to C06 for selection of
“Open emitter” or “Open collector”
signal of the diesel identifier and the
frequency input
12 Manual control unit interface
13 GND Motor contactor control
14 + Output Side 2
15 GND Proportional valve control
16 + Output Side 2
17 GND Motor contactor control
18 + Output Side 1
19 GND Proportional valve control
20 + Output Side 1
12 GND 24 V supply
22 + 24 V
23
Fuse F2
Main fuse for monitoring the total
current
Table 1: Pin assignment of the controller Type 1094 EV
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Technical Data
The volumetric flow of the delivered gasoline is measured by the piston
meter, converted into a frequency-proportional clock signal by the
gasoline pump computer and switched to the frequency input of the
controller (Fig. 4: ).
In the controller this clock signal is processed as the actual value of
the volumetric flow of the gasoline.
High-level pulse: 3.4 V – 26 V
Low-level pulse: 0 V – +0,9 V
Input resistance: > 10 kΩ
Max. input current: 5 mA
Min. pulse duration: 400 µs
Measurement rate: 1 measurement/0.75 s
Resolution: 1 Hz
Measuring range: 0 ... 51 l/min
Pulse rate: Can be adjusted via manual control unit from
31 – 200 pulses/liter
Input
terminals
for gasoline
pulse
5 V
Input to the
controller
Jumper
C03 / C05
GND
Fig. 4: Frequency input of the controller Type 1094 EV
The Jumper C0 (C03 for side 1 and C05 for side 2) can be used
to switch the input from “open emitter” to “open collector”.
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Technical Data
High-level pulse: 3.4 V – 26 V
Low-level pulse: 0 V – +0,9 V
Input resistance: > 10 kΩ
Max. input current: 5 mA
Min. pulse duration: 400 µs
Measurement rate: 1 measurement/0.75 s
Resolution: 1 Hz
Measuring range: 0 ... 51 l/min
Input
terminals
for diesel
identifier
5 V
Input to the
µController
Jumper
C04 / C06
GND
Diesel input of the controller Type 1094 EVFig. 5:
The Jumper CO (CO4 for side 1 and CO6 for side 2) can be used
to switch the input from “open emitter” to “open collector”. The level
when the electronics start determines whether the input is active
“high” or “low”.
Load current: 0 ... 250 mA
Output voltage: 24 V DC
Clock frequency: 250 Hz
Number of outputs: 2 (1 output each for side 1 and for side 2)
PWM output
µController
24 V
Connection
terminals for pro-
portional valve
GND
Valve output of the controller Type 1094 EVFig. 6:
To position the proportional valve Type 2832, 2832EV, 6022 the con-
troller generates PWM signals via a transistor.
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Technical Data
The output for the motor contactor is activated by the controller for as
long as the proportional valve is open.
This contactor/relay switches the vacuum pump motor.
Furthermore, a overtravel time can be set for the vacuum pump (motor
contactor) for which the signal remains active. If the overtravel is set
to 0s, the motor contactor is not activated. This function is useful for
defective motors.
Load current: 0 ... 150 mA
Output voltage: 24 V DC
Number of outputs: 2 (1 output each for side 1 and for side 2)
Output
µController
24 V
Connection
terminals
for motor
contactor
GND
Motor contact output of the controller Type 1094 EVFig. 7:
A power supply unit was installed for the operation of the vapor
recovery 1094 EV. This power supply unit has the following data:
Manufacturer: TRACO POWER
Designation: Industrial Power Supply
Model: TBL 030-124
Power supply voltage: 100 ... 240 V 50/60 Hz -15 % / +10 %
Max. power consumption: 0,5 ... 0,9 A
Output voltage: 24 V DC ±10 %
Max. output current: 1.25 A
Max. output power: 30 W
Control Type 1094 EV with 24 V power supply unitFig. 8:
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Installation
To connect the individual gasoline pump components to
the controller Type 1094 EV, you will require the particular
interface conditions such as level, clock rates, resistors, cur-
rents, etc. These can be found on the data sheets and/or in
the operating instructions for the individual components.
Provide the following documents for start-up of the controller:
→
Operating instructions for the piston meter/gasoline pump •
computer
Operating instructions for the proportional valve Type 2832, 2832EV, •
6022 from Bürkert
Operating instructions for the vacuum pump - required for adjustment •
of the correction factor
Operating instructions for the manual control unit Type MKNE-1094 •
from Bürkert
Before reaching into the device or the equipment, switch off the • power supply and secure to prevent reactivation!
Observe applicable accident prevention and safety regulations • for electrical equipment!
Installation may be carried out by authorized technicians only • and with the appropriate tools!
If it used in the area of a tank installation, the controller Type • 1094 EV must be installed in a control cabinet with an appropri-
ate protection class.
To install the controller in the control cabinet, the housing can be
installed directly on a mounting rail.
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Installation
Before making the electrical connections, switch off the power • supply and secure to prevent reactivation!
Before starting up the controller, carefully make all the required
→
connections (see Fig. 3: Pin assignment of the controller Type
1094 EV).
Make the following connections for the controller:
• Operating voltage 24 V DC.
• Output signals for the proportional valves Type 2832,
2832EV, 6022 for side 1 and side 2.
• Output signals for relays or contactors of the vacuum pumps
for side 1 and side 2.
• Frequency input signals from the gasoline pump computer for
side 1 and side 2.
• optional: Diesel input signals from the gasoline pump com-
puter for side 1 and side 2.
There are no special requirements for the wire connections which
are to be used inside the gasoline pump, as the current or power
to be transmitted is very low. However, all output lines (valve
output and motor contactor output) should be shielded.
To ensure good contact between the electrical connections, all • the cables used must be provided with wire end ferrules.
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Operation and function
Improper operation may result in injuries as well as damage to the
device and the area around it.
The operating personnel must know and have understood the • contents of the operating instructions.
Observe the safety instructions and intended use.•
Only adequately trained personnel may operate the equipment/• the device.
The controller electronics have a total of 6 LEDs.
One red and yellow LED per side •
(2 LEDs side 1, 2 LEDs side 2)
One green LED for the operating voltage display (operation LED)•
One red LED without display function (LED without function)•
3
1
2
4
Fig. 9: Display LEDs on the controller
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