PR ELECTRONICS, Programmable Transmitter 2-Wire

5131A

2-wire programmable transmitter

Input for RTD, TC, mV, linear resistance, mA, and V sample

• 3.75 kVAC galvanic isolationt
• 4...20 mA loop output
• 1- or 2-channel version
• DIN rail mounting

• Advanced features

  • The 5131A transmitter can be configured with the software program PReset using a standard PC and the Loop Link communications unit.

  Application

  • Independent channel jumper selectable inputs for current/voltage or temperature.
  • Current input programmable in range 0...100 mA and voltage inputs in range 0...250 VDC.
  • Linearized, electronic temperature measurement with RTD or TC sensor.
  • Conversion of linear resistance variation to a standard analog current / voltage signal, for example from solenoids and butterfly valves or linear movements with attached potentiometer.
  • 4- or 3-wire connection automatic cable compensation or 2-wire connection with programmable cable compensation.
  • Configurable sensor error detection including NAMUR NE43.

  Technical characteristics

  • Analog current output can be configured to any current within 0...20 mA range.
  • Voltage output range is selectable between 0...10 VDC.
  • Programming can be performed with or without a power supply.
  • The 2-channel version has full galvanic isolation between the channels.
  • Separation of circuits in PELV/SELV installations.

  • Environmental Conditions

    Specifications range	-20°C to +60°C
    Calibration temperature	20...28°C
    Relative humidity	< 95% RH (non-cond.)
    Protection degree	IP20

    Mechanical specifications

    Dimensions (HxWxD)	109 x 23.5 x 130 mm
    Weight approx.	195 g
    DIN rail type	DIN 46277
    Wire size	1 x 2.5 mm2 stranded wire
    Screw terminal torque	0.5 Nm

    Common specifications

    Supply voltage	7.5...35 VDC
    Fuse	50 mA SB / 250 VAC
    Isolation voltage, test / working	3.75 kVAC / 250 VAC
    Communications interface	Loop Link
    Signal / noise ratio	Min. 60 dB (0...100 kHz)
    Signal dynamics, input	22 bit
    Signal dynamics, output	16 bit
    Updating time	115 ms (temperature input) 75 ms (mA / V / mV input)
    Response time (0...90%, 100...10%): Temperature input (programmable)	400 ms...60 s
    mA / V input (programmable)	250 ms...60 s
    EMC immunity influence	< ±0.5% of span
    Extended EMC immunity: NAMUR NE 21, A criterion, burst	< ±1% of span
    Effect of supply voltage change	< 0.005% of span / VDC

    Input specifications

    Max. offset	50% of selected max. value
    RTD input	Pt100, Ni100, lin. R
    Cable resistance per wire (max.), RTD	10 Ω
    Sensor current, RTD	Nom. 0.2 mA
    Effect of sensor cable resistance (3-/4-wire), RTD	< 0.002 Ω / Ω
    Sensor error detection, RTD	Yes
    TC input: Thermocouple type	B, E, J, K, L, N, R, S, T, U, W3, W5, LR
    Cold junction compensation (CJC)	< ±1.0°C
    Sensor error current, TC	Nom. 30 μA
    Sensor error detection, TC	Yes
    Current input: Measurement range	0...100 mA
    Min. measurement range (span), current input	4 mA
    Input resistance: Supplied unit	Nom. 10 Ω + PTC 10 Ω
    Input resistance: Non-supplied unit	RSHUNT = ∞, VDROP < 6 V
    Voltage input: Measurement range	-150...+150 mV 0...250 VDC
    Min. measurement range (span), voltage input	5 mV
    Input resistance, voltage input	Nom. 10 MΩ (≤ 2.5 VDC) Nom. 5 MΩ (> 2.5 VDC)

    Output specifications

    Max. offset	50% of selected max. value
    Current output: Signal range	4…20 mA
    Min. signal range	10 mA
    Load resistance, current output	≤ (Vsupply -7.5)/0.023 A) [Ω]
    Load stability, current output	≤0.01% of span/100 Ω
    Current limit	≤ 28 mA
    Sensor error detection, current output	Programmable 3.5…23 mA
    NAMUR NE 43 Upscale/Downscale	23 mA / 3.5 mA
    *of span	= of the presently selected range

    Approvals

    EMC	EN 61326-1
    LVD	EN 61010-1
    PELV/SELV	IEC 364-4-41 and EN 60742
    ATEX	DEMKO 99ATEX124572