Weidmuller HART® Transparent Repeater

 

 

Weidmuller HART® Transparent Repeater
HART® Transparent Repeater

 

 

The ACT20X-HAI-SAO/2HAI-2SAO HART-protocol transparent current-supply isolators are capable of transmitting 4…20 mA signals from Ex zone 0 into the safe zone. External sensors can be supplied with power through the device. Integrated alarm contacts issue an alert in the event of a malfunction; this makes troubleshooting easier and increases system availability. The rail mounted current-supply isolators are optionally available in one- or two-channel versions. With 11 mm width per channel, the devices need little space in the electrical cabinet.

Specifications (ACT20X and ACT20X-HAI-SAO-S)

Dimensions and weights

  • Width : 22.5 mm
  • Width (inches) : 0.886 inch
  • Height : 119.2 mm
  • Height (inches) : 4.693 inch
  • Depth : 113.6 mm
  • Depth (inches) : 4.472 inch
  • Net weight : 186 g

Temperatures

  • Humidity : 0…95 % (no condensation)
  • Operating temperature, max. : 60 °C
  • Operating temperature, min. : -20 °C
  • Storage temperature, max. : 85 °C
  • Storage temperature, min. : -20 °C
  • Operating temperature : -20 °C…60 °C
  • Storage temperature : -20 °C…85 °C

Probability of failure

  • MTBF : 177 Years
  • SFF : 80 %

Environmental Product Compliance

  • REACH SVHC : Lead 7439-92-1

Rated data UL

  • UL certificate : E337701.pdf

Input EX

  • Input current : 4…20mA
  • Input frequency : 0,5…2,5 kHz @ 3,5…23 mA bi-directional HART® signal
  • Output signal in case of wire break : < 1 mA
  • Residual ripple (current loop) : < 7.5 mVeff
  • Sensor supply : 3.8…26 V DC
  • Type : intrinsically safe circuit, active (as current source) or passive (as current sink)
  • Voltage drop not powered : < 6 V
  • Voltage drop powered : < 4.5 V

Output

  • Load stability : ≤ 0.01 % of end value / 100 Ω
  • Type : active (as current source) or passive (as current sink)
  • Influence of load resistance : ≤ 0.01% of span / 100 Ω
  • 2-wire supply : ≤ 26 V DC
  • Output signal limit : < 28 mA
  • Output current : 4…20 mA
  • Cut-off frequency (-3 dB) : 0.5…2.5 kHz @ 3.5…23 mA bi-directional HART® signal
  • Load impedance current : ≤ 600 Ω

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Alarm output

  • Alarm function : Signal limit exceeded, Line interruption at the input, No supply voltage, Device error
  • Type : Relay, 1 NC (voltage-free)
  • Nominal switching voltage :
    ≤ 125 V AC / 110 V DC (safe area)
    ≤ 32 V AC / 32 V DC (zone 2)
  • Continuous current :
    ≤ 0.5 A AC / 0.3 A DC (safe zone)
    ≤ 0,5 A AC / 1 A DC (zone 2)
  • Power rating :
    ≤ 62.5 VA / 32 W (safe area)
    ≤ 16 VA / 32 W (Zone 2)

General specifications

  • Configuration : With FDT/DTM software
  • Voltage supply : 19.2…31.2 V DC
  • Type of connection : Screw connection
  • Power consumption : ≤ 1.0 W
  • Accuracy : < 0.1% span
  • Temperature coefficient : < 0.01% of span/°C (TU)
  • Step response time : ≤ 5 ms
  • Protection degree : IP20
  • Humidity : 0…95 % (no condensation)

Insulation coordination

  • EMC standards : DIN EN 61326, NE 21
  • Insulation voltage : 2.6 kV (input / output)
  • Pollution severity : 2
  • Rated voltage : 300 V
  • Surge voltage category : II

Data for Ex applications (ATEX)

  • Voltage U0 : Current loop 28 V / externally 10 V
  • Current I0 : Current loop 93 mA / externally 10 mA
  • Power P0 : Current loop 0.65 W / externally 0.1 W
  • Marking : II (1) G [Ex ia Ga] IIC/IIB/ IIA, II (1) D [Ex ia Da] IIIC, I (M1) [Ex ia Ma] I
  • Installation location : Device installed in safe area, zone 2

Safety-related basic specifications

  • Demand mode : High
  • Description of the “safe state” : analogue Output ≤ 3.6 mA or output ≥ 21 mA
  • Device type : A
  • Hardware fault tolerance (HFT) : 0
  • Mean Time To Repair (MTTR) : 24 h
  • Safe Failure Fraction (SFF) : 80 %
  • Tproof : 5 Years
  • Total failure rate for dangerous detected failures (λDD) : 173 FIT
  • Total failure rate for dangerous undetected failures (λDU) : 41 FIT
  • Total failure rate for safe detected failures (λSD) : 0 FIT
  • Total failure rate for safe undetected failures (λSU) : 0 FIT
  • Safety category : SIL 2
  • Probability of outage PFH : 4.1 x 10-8 h-1

Safety-related specifications Low demand mode

  • Average Probability of Failure on Demand (PFDavg) :
    1.92 x 10-4 (Tproof = 1 year), 3.67 x 10-4 (Tproof = 2 years), 8.92 x 10-4 (Tproof = 5 years), additional data in the safety manual

Connection data

  • Type of connection : Screw connection
  • Tightening torque, min. : 0.4 Nm
  • Tightening torque, max. : 0.6 Nm
  • Clamping range, rated connection : 2.5 mm²
  • Clamping range, min. : 0.25 mm²
  • Clamping range, max. : 2.5 mm²
  • Wire connection cross section AWG, min. : AWG 26
  • Wire connection cross section AWG, max. : AWG 12

Classifications

  • ETIM 6.0 : EC002475
  • ETIM 7.0 : EC002475
  • eClass 9.0 : 27-21-01-23
  • eClass 9.1 : 27-21-01-23
  • eClass 10.0 : 27-21-01-23
  • UNSPSC : 30-21-18-01

Product information

  • Weidmüller provides an extended guarantee period of 36 months for this device.

Approvals 

  • UL, Ex, DNV, DNV-GL, EAC, FM, IECEx
  • ROHS : Conform

Download Datasheet : Weidmuller HART® Transparent Repeater

Reference : weidmueller.com