SR2301

|‌ VS2000/ 24VDC/EXI/1G

Evaluation systems

Made in Germany
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1: Mounting on DIN rail
Made in Germany
Product characteristics
Control monitor for flow sensors
Housing for DIN rail mounting
Connection: 1 sensor
(SF...A)
ATEX approval
Group II, category (1) G
Application
Application flow monitoring and wire breaking monitoring
Electrical data
Electrical design DC
Operating voltage [V]24 DC
Voltage tolerance [%]± 10
Current consumption [mA]125
Reverse polarity protection no
Outputs
Output function Relay
Switching function
- Flow monitoring relay energised when flow is present
- Wire break monitoring relay de-energised in case of wire break
Contact rating 4 A (250 V AC cos phi > 0.7) ; 0.2 A (250 V DC); 4 A (24 V DC)
Short-circuit proof no
Overload protection no
Reaction times
Power-on delay time [s]30
Software / programming
Adjustment of the switch point potentiometer
Selection liquids / gases with slide switch
Environment
Ambient temperature [°C]-20...60
Protection housing / terminals IP 40 / IP 20
Tests / approvals
Approval PTB 01 ATEX 2075
IECEx PTB 07.0004
Marking of the unit II (1) G [Ex ia Ga] IIC
MTTF [Years]231
Safety classification
Maximum values for control circuit
Designation in protection rating intrinsic safety
[Ex ia] IIC, [Ex ia] IIB, [Ex ib] IIC, [Ex ib] IIB
Voltage [V]Uo = 15.8
Current [mA]Io = 84 / Ie = 38.5
Power [mW]Po = 680
in protection rating intrinsic safety
[Ex ia] IIC[Ex ia] IIB[Ex ib] IIC[Ex ib] IIB
External inductance 1 mH1mH / 5 mH1 mH1mH / 5 mH
External capacitance 205 nF1.7 µF / 935 nF205 nF1.7 µF / 935 nF
Mechanical data
Housing materials plastics
Weight [kg]0.388
Displays / operating elements
Function display 11 LED
Output status indication LEDRed
Electrical connection
Connection 15 terminals...2.5 mm²
Wiring
Core colours
BNbrown
BUblue
BKblack
WHwhite
GYgrey
1 Flow monitoring
2 Wire break monitoring
Note: miniature fuse to IEC60127-2 sheet 1,
≤ 5 A (fast acting)
Place the fuse outside the hazardous area.
Remarks
Remarks
Please note: The control monitor must be mounted outside the hazardous area!
Recommendation: check the unit for reliable function after a short circuit.
Pack quantity [piece]1
ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen  —  GB  —  SR2301  —  05.11.2012
 
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