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
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.
Nota de seguridad
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 |
