2-Wire HART Transmitter – PR Electronics 6335D

Features

  • RTD, TC, Ohm, or mV input
  • Extremely high measurement accuracy
  • HART 5 protocol
  • Can be installed in Ex zone 0
  • 1- or 2-channel version
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Application

  • 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 channels to a digital 2-wire signal with HART communication.

Technical characteristics

  • Within a few seconds the user can program PR6335D 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 6335D has been designed according to strict safety requirements and is therefore suitable for application in SIL installations.
  • A limit can be programmed on the output signal.
  • Continuous check of vital stored data for safety reasons.
  • Sensor error detection according to the guidelines in NAMUR NE89.

Mounting / installation

  • Mounted vertically or horizontally on a DIN rail. Using the 2-channel version up to 84 channels per metre can be mounted.
  • Configuration via standard HART communication interfaces or by PR 5909 Loop Link.
  • The 6335D can be mounted in zone 0, 1, 2 and zone 20, 21, 22 including M1 / Class I/II/ III, Division 1, Groups A, B, C, D.

Specification

ENVIRONMENTAL CONDITIONS
Operating temperature -40°C to +85°C
Storage temperature -40°C to +85°C
Calibration temperature 20…28°C
Relative humidity < 95% RH (non-cond.)
Protection degree IP20
MECHANICAL SPECIFICATIONS
Dimensions (HxWxD) 109 x 23.5 x 104 mm
Weight (1 / 2 channels) 145 / 185 g
DIN rail type DIN EN 60715/35 mm
Wire size 0.13…2.08 mm2 AWG 26…14 stranded wire
Screw terminal torque 0.5 Nm
COMMON SPECIFICATIONS
Supply
Supply voltage 8.0…30 VDC
Internal power dissipation, 1 / 2 ch. 19 mW…0.7 / 1.4 W
Isolation voltage
Isolation voltage, test / working 1.5 kVAC / 50 VAC
Response time
Response time (programmable) 1…60 s
Voltage drop 8.0 VDC
Warm-up time 30 s
Programming Loop Link & HART
Signal / noise ratio Min. 60 dB
Accuracy Better than 0.05% of selected range
Signal dynamics, input 22 bit
Signal dynamics, output 16 bit
Effect of supply voltage change < 0.005% of span / VDC
INPUT SPECIFICATIONS
Common input specifications
Max. offset 50% of selected max. value
RTD input
RTD type Pt100, Ni100, lin. R
Cable resistance per wire 5 Ω (up to 50 Ω per wire is possible with reduced measurement accuracy)
Sensor current Nom. 0.2 mA
Effect of sensor cable resistance (3-/4-wire) < 0.002 Ω / Ω
Sensor error detection Yes
Linear resistance input
Linear resistance min….max. 0 Ω…7000 Ω
TC input
Thermocouple type B, E, J, K, L, N, R, S, T, U, W3, W5
Cold junction compensation (CJC) < ±1.0°C
Sensor error detection Yes
Sensor error current: When detecting / else Nom. 33 μA / 0 μA
Voltage input
Measurement range -800…+800 mV
Min. measurement range (span) 2.5 mV
Input resistance 10 MΩ
OUTPUT SPECIFICATIONS
Current output
Signal range 4…20 mA
Min. signal range 16 mA
Load (@ current output) ≤ (Vsupply – 8) / 0.023 [Ω]
Load stability ≤ 0.01% of span / 100 Ω
Sensor error indication Programmable 3.5…23 mA
NAMUR NE43 Upscale/Downscale 23 mA / 3.5 mA
Common output specifications
Updating time 440 ms
of span = of the presently selected range
OBSERVED AUTHORITY REQUIREMENTS
EMC 2014/30/EU
ATEX 2014/34/EU
RoHS 2011/65/EU
EAC TR-CU 020/2011
EAC Ex TR-CU 012/2011
APPROVALS
ATEX KEMA 09ATEX0148 X
IECEx KEM 10.0084X
CSA 1125003
FM FM17US0013X
EAC Ex RU C-DK.HA65.B.00355/19
SIL Hardware assessed for use in SIL applications

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PR Electronic 6335D 2-wire HART transmitter-DpstarGroup

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