Barksdale

Electronic Dual Pressure Switch UDS 7-Ex
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Barksdale
CONTROL PRODUCTS
CRANE
®
Electronic Dual Pressure Switch
02 / 03 UDS 7-EX-ENG 01/2
Pressure control in hazardous locations with internal
stainless steel diaphragm, digital display, 2 solid state
outputs acc. Namur DIN 19234, and 1 analog output
accuracy class 0,5% f. s. (optional 0,25% f. s.)
Features
Intrinsically safe EExia IICT4, alphanumeric 4-digit LCD display,
microprocessor-controlled, self monitoring with error display, all
parameters are configured by keypad, adjustable keypad lock,
interface with simple operating menu, various access levels,
rugged stainless steel construction
Measuring Ranges
0 ...10 bar to 0...400 bar
Applications
Gas compressors, injection moulding machines, test bed and
instrumentation industry
Technical Data
Proof Pressure (bar)
: 15 75 150 300 600
__________________________________________________
Linearity Error
: ±0,5% f. s. at 25 °C,
(Option: ±0,25% f. s.)
__________________________________________________
A/D-Converter
Resolution
: 12 bit
(4096 steps for measuring span)
Scanning Rate
: 100/s (for peak value memory)
__________________________________________________
Electrical Connection
: 2 plugs M12 x 1, 4-pin male / female
__________________________________________________
Temperature Influence : ± 0,2% f. s. /10K (ref. 20°C)
_________________________________________________________
Temperature Range:
Operating / Media
: 0 °C ...+60 °C
Storage
: -10 °C ...+65 °C
2
: 18 ... 28 V DC
intrinsically safe acc. to ATEX,
reversed polarity protected
___________________________________________________
Operating Display
: 4-digit LCD display, height 10 mm
Display Rate
: 5/s
Delay
: 0,0...9,9 s - adjustable
__________________________________________________
Error Display
: on LCD display
__________________________________________________
Power Consumption
: appr. 40 mA at Ub = 24 V DC
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Analog Output
Current Output
: 4... 20 mA
Load
: max. Rl = (Ub-12V)/20 mA
Rl = 600 Ohm at Ub = 24 V DC
Load Influence
: 0,3% / 100 Ohm
Adjustment Range
: 25%...100% f. s.
__________________________________________________
Solid State Output(s) acc. Namur DIN 19234
Adjustment Range
: 0%... 125% f. s.
Hysteresis
: 0%... 125% f. s.
Switching Frequency : max. 100 Hz
Delay
: 0,0... 9,9 s - adjustable
Status Display
: on LCD display
__________________________________________________
Approval
:
II 1 / 2 G EEx ia IIC T4
Category 1, 2
__________________________________________________
Certificate-No.
: TÜV 02 ATEX 1879X
__________________________________________________
Max. Ambient
Temperature
: -20 °C...+80 °C
__________________________________________________
Barksdale
Electronic Dual Pressure Switch UDS 7-Ex
Power Supply
Specifications are subject to changes without notice.
Sensor Element
: Piezoresistive measuring cell
__________________________________________________
Materials :
Wetted Parts
: Stainless steel 1.4435 (SS 316L)
Housing (Electronics) : Stainless steel 1.4571
Seals
: Viton (Standard), EPDM
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Operating Elements
: Easy response pushbuttons
__________________________________________________
Protection Class
: IP65 plug
__________________________________________________
Pressure Connection
: G1/4
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Dimensions
: 32 mm x 163 mm
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Weight
: appr. 250 g
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Pressure Ranges (bar) : 10 50 100 200 400
Electronic Dual Pressure Switch
Electrical connections
Ex-Zone
32
Non Ex-Zone
UDS 7 - Ex
Z788
S1
S2
Pin 8
Umax 28V/DC
Pin 2
Pin 7
GND
(GND) Pin 3
Pin 3
Pin 6
(SP1 +) Pin 1
Pin 4
Pin 5
S1 (Signal 4-20mA) Pin 2
Potential compensation
non Ex-zone
(SP1 -) Pin 2
S2 (SP2 +) Pin 3
96.0
Power-Supply
Pin 1
(+Ub) Pin 1
40
02 / 03 UDS 7-EX-ENG 01/2
Dimensions (in mm)
e. g. SPS
Input Input +
e. g. KFD2-SOT2-Ex2
(SP2 -) Pin 4
113
Pin 1 (Input 1 +) (L+) Pin 12
Pin 3 (Input 1 -) (L-) Pin 11
Pin 4 (Input 2 +) (Outp. 2 +) Pin 10
Pin 6 (Input 2 -) (Outp. 2 -) Pin 9
Potential compensation Ex-zone
(Outp. 1 +) Pin 8
Binary inputs
Binary inputs
(Outp.1 -) Pin 7
SK 22
Specifications are subject to changes without notice.
Electronic Dual Pressure Switch UDS 7-Ex
Note: Power supply and analog output must run via the Zener barrier type Z788
from Pepperl & Fuchs.
10
G1/4
Order Numbers
All UDS 7-Ex-models: acc. Namur DIN 19234
2 solid state outputs and
1 analog output 4...20 mA
plugs: M12 x 1, 4-pin male / female
Pressure Ranges
LCD-display,
pressure connection:
G ¼, male
0... 10 bar relative
0427-818
0... 50 bar relative
0427-819
0... 100 bar relative
0427-820
0... 200 bar relative
0427-821
0... 400 bar relative
0427-823
Other measuring ranges on request.
Accessories
Order Number
Description
0499-016
Adaptor G1/4 F - G1/4 M for optimum alignment of pressure switch
906-0052
Adaptor G1/4 F - G1/2 M manometer connection
0499-002
Wall mounting brackets
901-0677
Damping screw with 0,2 mm restriction against quick pressure changes and high pulsation rate
907-0357
S1 plug connector M12 x 1, 4-pin, male, with screw terminal
907-0418
S2 plug connector M12 x 1, 4-pin, female, with screw terminal
909-0482
Zener barrier type Z788 with potential compensation
909-0483
Isolation amplifier type KFD2-SOT2-Ex2
Barksdale
3
Level
Flow
We have the right
solution for your
measuring tasks.
Just contact us.
Represented by:
02 / 03 UDS7-EX-ENG 01/2
Electronic Pressure Switch UDS 7-Ex
Temperature
Specifications are subject to changes without notice.
Pressure
Our Products
In addition to the
Electronic Pressure
Switches listed in
this catalog our
product range includes
various other
instrumentation and
control equipment
to monitor, measure
and control
Barksdale
CONTROL PRODUCTS
Barksdale GmbH
Dorn-Assenheimer Strasse 27
D-61203 Reichelsheim / Germany
Phone: +49 - 60 35 - 9 49-0
Fax:
+49 - 60 35 - 9 49-111 and 9 49-113
e-mail: [email protected]
Web-Site: http://www.barksdale.de
CRANE
®
Art.-Nr. 923-1135