Prodotti 0
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. Panoramica +

  2. Dati tecnici +

  3. Accessori +


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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