PR Electronics 6337D – 2-Wire HART Transmitter

Features

  • 1- or 2-channel converter for RTD, TC, Ohm, and bipolar mV signals
  • 2 analog inputs and 5 device variables with status available
  • HART protocol revision selectable from HART 5 or HART 7
  • Hardware assessed for use in SIL applications
  • Mounting on a DIN rail in hazardous gas and dust area
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PR Electronics 6337D – 2-Wire HART Transmitter

Application

  • Measures temperature linearly using TC (Thermocouple) and RTD (Resistance Temperature Detector) sensors such as Pt100 and Ni100.
  • Supports HART communication and provides a 4–20 mA analog output for individual, differential, or average temperature measurements from up to two RTD or TC sensors.
  • Converts linear resistance to standard analog current signals (e.g., from valves or Ohmic level sensors).
  • Amplifies bipolar mV signals to standard 4–20 mA current signals.
  • Allows connection of up to 63 transmitters (HART 7) in a multidrop communication setup.

Technical Features

  • User-configurable HART protocol revision (HART 5 or HART 7).
  • HART 7 protocol features include:
    • Long Tag numbers up to 32 characters.
    • Enhanced Burst Mode and Event notification with time stamping.
    • Device variable and status mapping to dynamic variables PV, SV, TV, or QV.
    • Process signal trend measurement with logs and summary data.
    • Automatic event notification with time stamps.
    • Command aggregation for improved communication efficiency.
  • Designed to meet strict safety standards suitable for SIL installations.
  • Continuous monitoring of vital stored data.
  • Complies with NAMUR NE 21 recommendations for high measurement performance in harsh EMC environments, and also meets NE43 and NE89 recommendations.

Mounting and Installation

  • DIN rail mountable with up to 84 channels per meter.
  • Configuration possible via standard HART communication interfaces or PR 5909 Loop Link.
  • Suitable for mounting 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) 150 / 200 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
Programming Loop Link & HART
Accuracy Better than 0.05% of selected range
Signal / noise ratio > 60 dB
EMC immunity influence < ±0.1% of span
Extended EMC immunity: NAMUR NE21, A criterion, burst < ±1% of span
INPUT SPECIFICATIONS
Common input specifications
Max. offset 50% of selected max. value
RTD input
RTD type Pt50/100/200/500/1000; Ni50/100/120/1000
Cable resistance per wire 5 Ω (up to 50 Ω per wire is possible with reduced measurement accuracy)
Sensor current Nom. 0.2 mA
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) Constant, internal or external via a Pt100 or Ni100 sensor
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]
Sensor error indication Programmable 3.5…23 mA
NAMUR NE43 Upscale/Downscale 23 mA / 3.5 mA
Common output specifications
Updating time 440 ms
HART protocol revisions HART 7 and HART 5
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 DEK 11.0084X
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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