Linearized temperature measurement with Pt100...Pt1000, Ni100...Ni1000, or TC sensor.
Difference or average temperature measurement of 2 resistance or TC sensors.
Conversion of linear resistance variation to a standard analog current signal, for instance from valves or Ohmic level sensors.
Amplification of a bipolar mV signal to a standard 4...20 mA current signal.
Connection of up to 15 transmitters to a digital 2-wire signal with HART communication.
Technical characteristics
Within a few seconds the user can program PR5335A to measure temperatures within all ranges defined by the norms.
The RTD and resistance inputs have cable compensation for 2-, 3- and 4-wire connection.
The 5335A provides the required failure data (SFF and PFDAVG) for SIL 2 applications as per IEC 61508 / IEC 61511.
Continuous check of vital stored data for safety reasons.
Sensor error detection according to the guidelines in NAMUR NE89.
Mounting / installation
For DIN form B sensor head or DIN rail mounting with the PR fitting type 8421.
5335A
6 Items
Data sheet
Input
Cold junction compensation: Internal/external
Lin. R, measurement range / min. span: 0...7000 Ω / 25 Ω
Max. offset: 50% of selec. max. value
RTD, measurement range / min. span: -200...+850°C / 25°C
Sensor connection, wires : 2 - 3 - 4
TC types : BEJKLNRSTUW3W5Lr
mV, measurement range: -800...+800 mV
mV, min. span: 2.5 mV
Output
mA, signal range / min. span: 3.5...23 mA / 16 mA
Technical Specifications
Accuracy: ±0.05% of span
Ambient temperature: -40...+85°C
Channels: 1
Isolation voltage, test / operation: 1500 VAC / 50 V
Max. required power: 0.8 W
NAMUR: NE21, NE43, NE89
Programming: 5909 / HART 5
Response time: 1...60 s
Signal dynamics, input / output: 22 bit / 16 bit
Supply voltage, DC: 8...35 VDC
Temperature coefficient: ±0.005% of span / °C
Approvals
ATEX, Zone 2: Yes
CSA, Zone 2 - DIV 2: Yes
DNV / EU-RO marine: Yes/No
EAC: Yes
FM, Zone 2 - DIV 2: No
IECEx, Zone 2: Yes
INMETRO, Zone 2: Yes
NEPSI: No
SIL 2/3 Full Assessment IEC 61508: No
SIL Hardware Assessment: Yes
Application guide
Custom sensor linearization: Yes
Dual input (4 terminals): Yes
Galvanically isolated: Yes
HART protocol: Yes
Lin. R / potentiometer input: Yes/No
Loop-powered: Yes
Mounting in Zone 2 / DIV 2: Yes/No
Process signal calibration:Yes
RTD / TC / mV input: Yes/Yes/Yes
mA output: Yes
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