PR Electronics 9106B – HART Transparent Repeater

Features

  • 24 VDC supply via power rail or connectors
  • Active and passive mA input
  • Active or passive output via the same two terminals
  • Splitter function – 1 in and 2 out
  • SIL3 Full Assessment and certified acc. to IEC 61508
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PR Electronics 9106B – HART Transparent Repeater

Application

  • PR Electronics 9106B is a 1- or 2-channel isolated 1:1 repeater barrier designed for intrinsic safety applications.
  • It supports 2-wire SMART transmitters and 2-wire SMART current sources, with bi-directional transfer capabilities for HART and BRAIN protocols.

Application Flexibility

  • PR Electronics 9106B can be installed in safe areas or Zone 2/Cl. 1, Div. 2 environments. It accepts signals from Zone 0, 1, 2, and Zone 20, 21, 22, including mining areas (Class I/II/III, Div. 1, Gr. A-G).
  • Outputs can be duplicated for redundancy across two different DCS/PLC/HMI systems or monitoring setups.

Safety and Functional Use

  • In safety-critical SIL (Safety Integrity Level) loops, PR Electronics9106B can function as a splitter:
    • SIL 2 applications utilize Channel 1 for the safety loop and Channel 2 for non-safety devices.
    • For SIL 3 requirements, both channels connect to the same safety PLC, with Channel 2 serving as a redundant diagnostic channel.

Advanced Features

  • Features include a detachable PR 45xx display, green and red front LEDs for operational status indication per channel.
  • Error event monitoring and cable break detection are facilitated through individual status relays or collective electronic signals via the power rail.
  • Suitable for systems up to Performance Level “d” as per ISO-13849.

Technical Specifications

  • Provides high galvanic isolation of 2.6 kVAC, fast response time of <5 ms, and high accuracy better than 0.1%.
  • Supports 2-wire transmitter supply greater than 16 V.

Mounting Options

  • Can be mounted vertically or horizontally without needing spacing between adjacent units.

Specification

ENVIRONMENTAL CONDITIONS
Operating temperature -20°C to +60°C
Storage temperature -20°C to +85°C
Calibration temperature 20…28°C
Relative humidity < 95% RH (non-cond.)
Protection degree IP20
Installation in Pollution degree 2 & meas. / overvoltage cat. II
MECHANICAL SPECIFICATIONS
Dimensions (HxWxD) 109 x 23.5 x 104 mm
Dimensions (HxWxD) w/ 4501/451x 109 x 23.5 x 116 / 131 mm
Weight approx. 250 g
Weight incl. 4501 / 451x (approx.) 265 g / 280 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
Vibration IEC 60068-2-6
2…13.2 Hz ±1 mm
13.2…100 Hz ±0.7 g
COMMON SPECIFICATIONS
Supply
Supply voltage 19.2…31.2 VDC
Fuse 1.25 A SB / 250 VAC
Max. required power ≤ 1.1 W / ≤ 1.9 W (1 ch. / 2 ch.)
Max. power dissipation, 1 / 2 ch. ≤ 0.8 W / ≤ 1.2 W
Isolation voltage
Test /working: Input to any 2.6 kVAC / 300 VAC reinforced isolation
Analog output to supply 2.6 kVAC / 300 VAC reinforced isolation
Status relay to supply 1.5 kVAC / 150 VAC reinforced isolation
Response time
Response time (0…90%, 100…10%) < 5 ms
Programming PR 45xx
Signal dynamics, input Analog signal chain
Signal dynamics, output Analog signal chain
SMART bi-directional communication frequency range 0.5…7.5 kHz
Signal / noise ratio > 60 dB
Accuracy Better than 0.1% of sel. range
mA, absolute accuracy ≤ ±16 μA
mA, temperature coefficient ≤ ±1.6 μA / °C
Effect of supply voltage change on output (nom. 24 VDC) < ±10 μA
EMC immunity influence < ±0.5% of span
Extended EMC immunity: NAMUR NE21, A criterion, burst < ±1% of span
INPUT SPECIFICATIONS
Current input
Measurement range 3.5…23 mA
2-wire transmitter supply 9106B1x (Uo = 27.5 VDC) >16 V / 20 mA
2-wire transmitter supply 9106B2x (Uo = 25.3 VDC) >15 V / 20 mA
Sensor error detection: Loop break 4…20 mA < 1 mA
Input voltage drop, supplied unit < 4 V @ 23 mA
Input voltage drop, non-supplied unit < 6 V @ 23 mA
OUTPUT SPECIFICATIONS
Current output
Signal range 3.5…23 mA
Load (@ current output) ≤ 600 Ω
Load stability ≤ 0.01% of span / 100 Ω
Current limit ≤ 28 mA
Passive 2-wire mA output
Effect of external 2-wire supply voltage variation < 0.005% of span / V
Max. load resistance [Ω] (Vsupply-3.5)/0.023 A
Max. external 2-wire supply 26 VDC
Status relay
Relay function N.C.
Programmable low setpoint 0…29.9 mA
Programmable high setpoint 0…29.9 mA
Hysteresis for setpoints 0.1 mA
Max. voltage 125 VAC / 110 VDC
Max. current 0.5 AAC / 0.3 ADC
Max. voltage – hazardous installation 32 VDC / 32 VAC
Max. current – hazardous installation 1 ADC / 0.5 AAC
of span = normal measurement range 4…20 mA
OBSERVED AUTHORITY REQUIREMENTS
EMC 2014/30/EU
LVD 2014/35/EU
ATEX 2014/34/EU
RoHS 2011/65/EU
EAC TR-CU 020/2011
EAC Ex TR-CU 012/2011
Approvals
ATEX DEKRA 11ATEX0244 X
IECEx DEK 11.0084X
c FM us FM16US0465X / FM16CA0213X
INMETRO DEKRA 16.0001 X
c UL us, UL 61010-1 E314307
c UL us, UL 913 E233311 (only 9106xxx-U9)
EAC Ex RU C-DK.HA65.B.00355/19
DNV-GL Marine TAA00000JD
ClassNK TA18527M
SIL SIL 2 / SIL 3 certified & fully assessed acc. to IEC 61508

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