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2261
 
 

2261

 

mV transmitter

 

  • Load cell amplifier
  • mV to current / voltage conversion
  • Front-programmable / LED display
  • Relative calibration of input span
  • NPN / PNP input for external taring
  • Supply for standard transducers
  1. Overview +

  2. Technical details +

  3. Accessories +


Advanced features

  • A multifunction user interface consisting of three pushbuttons and a 3-digit LED display for programming.

Application

  • The 2261 converts bipolar mV signals from transducers supplied directly by the device to standard current / voltage signals.
  • The 2261 is suitable for load cell application as well as other applications such as tank filling and draining, weighing with a taring function, measurement of cable tensile force, level control, signal conversion / amplification etc.

Technical characteristics

  • Front error LED.
  • The analog input can be programmed for voltage in the range -40...100 mVDC.
  • The digital signal can be selected as either NPN or PNP.
  • Taring can either be by way of the digital input or from the front interface.
  • The analog output can be programmed to current in the range 0...20 mA or voltage in the range 0...10 VDC.
  • Transducer supply which can be programmed to 5...13 VDC from the front. It is up to the customer to ensure a max. load of 230 mA (e.g. 6 parallel 350 Ω load cells).
  • Sense input (with transducer supply used) for compensation for cable resistance to the transducer.
  • Mounting for a standard 11-pole socket which can be adapted for DIN rail or plate use with PR’s 7023 adaptor and 7024 mounting keying.

Environmental Conditions

  • Operating temperature

    -20°C to +60°C

  • Calibration temperature

    20...28°C

  • Relative humidity

    < 95% RH (non-cond.)

  • Protection degree

    IP50

Mechanical specifications

  • Dimensions (HxWxD)

    80.5 x 35.5 x 84.5 mm (D is without pins)

  • Weight approx.

    130 g

Common specifications

  • Supply

  • Supply voltage

    19.2...28.8 VDC

  • Max. required power

    7.2 W

  • Internal power dissipation

    2.2 W

  • Response time

  • Response time (programmable)

    0.06...999 s

  • Signal / noise ratio

    Min. 60 dB

  • Updating time

    20 ms

  • Signal dynamics, input

    17 bit

  • Signal dynamics, output

    16 bit

  • Effect of supply voltage change

    < ±0.002% of span / %V

  • Temperature coefficient

    < ±0.01% of span / °C

  • Linearity error

    < 0.1% of span

  • Auxiliary voltage: Transducer supply

    5...13 VDC

  • Load (max.)

    230 mA

  • EMC immunity influence

    < ±0.5% of span

Input specifications

  • Common input specifications

  • Max. offset

    70% of selec. max. value

  • Voltage input

  • Measurement range

    -40...100 mV

  • Min. measurement range (span)

    10 mV

  • Input resistance

    > 10 MΩ

  • Overrange

    0...999% of selected measurement range

  • NPN, digital input

    Pull up 24 VDC / 6.9 mA

  • PNP, digital input

    Pull down 0 VDC / 6.9 mA

  • Trig level low, NPN/PNP

    < 6 VDC

  • Trig level high, NPN/PNP

    > 10.5 VDC

  • Pulse length

    > 30 ms

Output specifications

  • Current output

  • Signal range

    0...20 mA

  • Min. signal range

    5 mA

  • Load (@ current output)

    ≤ 600 Ω

  • Load stability

    ≤ 0.01% of span / 100 Ω

  • Current limit

    < 23 mA

  • Voltage output through internal shunt

    See manual for details

  • of span

    = of the presently selected range

Observed authority requirements

  • EMC

    2014/30/EU

  • EAC

    TR-CU 020/2011

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