Samson 3730 Series - Page 26

3-6 EB 8384-3 EN
Design and principle of operation
Type3730-3 Positioner
The technical data for the explosion-protected devices may be restricted by the
limits specied in the test certicates.
Inuenc-
es
Temperature
≤0.15%/10K
Supply air None
Effect of vibration ≤0.25%upto2000Hzand4gaccordingtoIEC770
Electromagnetic compatibility
Complying with EN 61000-6-2, EN 61000-6-3, EN 61326-1 and NAMUR Rec-
ommendation NE 21
Electrical connections
OneM20x1.5cableglandfor6to12mmclampingrange
Second M20x1.5 threaded connection additionally available
Screwterminalsfor0.2to2.5mm²wirecross-section
Degree of protection IP66/NEMA4X
Use in safety-instrumented
systems (SIL)
Emergencyventingat0mAset
point and using optional
solenoid valve
ObservingtherequirementsofIEC61508,thesystematiccapabilityofthepilot
valve for emergency venting as a component in safety-instrumented systems is giv-
en.
UseispossibleonobservingtherequirementsofIEC61511andtherequired
hardwarefaulttoleranceinsafety-instrumentedsystemsuptoSIL2(singledevice/
HFT=0)andSIL3(redundantconguration/HFT=1).
Explosion protection Refer to Table 3-3
Communication (local) SAMSON SSP interface and serial interface adapter
Software requirements (SSP) TROVIS-VIEWwithdatabasemodule3730-3
Communication (HART
®
)
HART
®
Revision5(canbeswitchedtoRevision6)
Impedance in HART
®
frequencyrange:Receiving350to450Ω·Sendingapprox.
115Ω
Software
require-
ments
For handheld
communicator
DevicedescriptionforType3730-3
For computer
DTMleaccordingtospecication1.2,suitableforintegratingthedeviceinto
frameapplicationsthatsupporttheuseofFDT/DTM(e.g.PACTware);otherinte-
grations (e.g. AMS, PDM) available
Binary contacts
For connection to
For connection to the binary input of the PLC
acc.toIEC61131-2,P
max
=400mWorfor
connectiontoNAMURswitchingamplier
acc.toEN60947-5-6
NAMURswitchingamplieracc.
to EN 60947-5-6
Twosoftwarelimitswitches,reversepolarityprotection,oating,congurableswitchingcharacteristics(defaultset-
tings in table)
Signal
state
Version No explosion protection Ex
No response Non-conducting ≤1.0mA
Response Conductive(R=348Ω) ≥2.2mA