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
    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
    Extended EMC immunity: NAMUR NE 21, A criterion, burst
    Effect of supply voltage change

    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
    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)
    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
    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