SR307A

|‌ VS4000/24VDC/EXI/1G

Evaluation systems

Made in Germany
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1: LED display
2: setting pushbuttons
Made in Germany
Product characteristics
Control monitor for flow sensors
Housing for DIN rail mounting
Connection: 1 sensor
SPxxxA
ATEX approval
Group II, category 1G
Application
Application flow, temperature and wire break monitoring
Electrical data
Electrical design DC
Operating voltage [V]24 DC
Voltage tolerance [%]± 15
Current consumption [mA]100
Reverse polarity protection no
Outputs
Output function Relay
Switching function
- Flow monitoring relay energised when flow is present
- Temperature monitoring relay is de-energised when temperature is exceeded
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
Switching function fault monitoring Relay de-energised in case of the following faults: wire break, reverse polarity or short circuit of the sensor cable, undervoltage, internal fault
Reaction times
Power-on delay time [s]10
Software / programming
Adjustment of the switch point Programming buttons
Environment
Ambient temperature [°C]-20...60
Storage temperature [°C]-25...80
Protection housing / terminals IP 20 / IP 20
Tests / approvals
Approval ZELM 11 ATEX 0466
IECEx ZLM 11.0004
Marking of the unit II (1) G [Ex ia Ga] IIC
[Ex ia Ga] IIC
MTTF [Years]124
Safety classification
Maximum values for control circuit
Designation in protection rating intrinsic safety
[Ex ia Ga] IIC, [Ex ia Ga] IIB, [Ex ib Gb] IIC, [Ex ib Gb] IIB
Voltage [V]Uo = 9.6
Current [mA]Io / Ie = 332
Power [mW]Po = 531
in protection rating intrinsic safety
[Ex ia Ga] IIC[Ex ia Ga] IIB[Ex ib Gb] IIC[Ex ib Gb] IIB
External inductance 0.7 mH3 mH0.7 mH3 mH
External capacitance 3.15 µF27.55 µF3.15 µF27.55 µF
Mechanical data
Housing materials PA (polyamide)
Weight [kg]0.352
Displays / operating elements
Output status indication LEDLED red: flashes in case of undervoltage and wire break, reverse polarity or short circuit of the sensor cable; lights permanently in case of an internal fault
Function display LED display
Output status indication LEDyellow
Electrical connection
Connection 15 terminals...2.5 mm²
Wiring
Core colours
BKblack
BNbrown
BUblue
WHwhite
1 Flow monitoring
2 Fault monitoring
3 Temperature 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  —  SR307A  —  17.04.2012
 
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