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PT110, PT111, PT112

简介:

特点与用途/Features & Applications

The PT110LC, PT111LC and PT112LC are DIN rail mounted micro-controller based analogue load cell transmitters. They have very high accuracy and long term stability with advanced design.
Using an up to-date delta-sigma ADC and 16 bit DAC to achieve higher speed and accuracy these instruments give the system designers a lot of advantages towards increasing system reliability and reducing the installation and service times. All instruments’ analogue outputs are matched during production to simplify calibration with a PLC and to simplify exchanging the instrument without recalibration in service when initial adjustment has been performed in the PLC. 

There are 8 position rotary switches and annunciator LEDs on the front panel of the instruments. The upper rotary switch adjusts the empty scale’s analogue output level (zero adjustment) and the lower rotary switch adjusts the gain of the instrument (span). 

Additionally the PT111LC has 2 set point relay outputs for process control or alarms, more analogue output options and and an RS232 port for configuration via

详情
The PT112LC is a high speed version of the PT111LC.
FEATURES
  • Minimized zero and span drifts due to use of micro-controller technology.

  • High accuracy, very low temperature drift 24 bit ADC and 16 bit DAC converters.

  • Compact DIN rail mounting, size is only 22.5mm × 99mm from the front.

  • Long term stability and low temperature drifts eliminate the need for frequent readjustment.

  • Digital adaptive anti-vibration filter to minimize errors from environmental vibrations.

  • All instrument have been pre-calibrated to 0–10 V and to 4–20 mA analog output ranges for 0–2mV/V load cell signal range as a factory default.

  • Factory matching facilitates swap out without PLC readjustment.


PT11x

INTEGRATION
  • Inputs most strain gauge bridge devices (load and pressure).

  • Analogue output, selectable 0-10V or 4-20mA.

PT111LCfeatures extra to PT110LC
  • Additional output options 0-5V, 0-20mA.

  • 2 set point relay outputs.

  • Programmable via PC, PLC and AzCom software.

  • Calibration without calibration weights (using load cell mV/V entry).

PT112LCfeatures extra to PT111LC
  • High speed conversion and response for fast changing processes.



SPECIFICATIONS
Power Supply: 12-28VDC, 200mASpan Stability: <0.007% FSO/ºCNon-linearity: <0.01% FSO/ºCLoad Cell Excitation: 5V, up to 4x 350Ω or 8x 700Ω load cells, 4 wire connectionInput range: 0mV to +20mV.Zero Adjustment Range: -19mV to +19mVSpan adjustment range: 0.2mV/V to 4mV/V input for full outputResolution: Internal 16000000/External 65000, 24 bit ADC/16 bit DACResponse speed: PT110LC fixed 500ms, PT111LC adjustableAnnunciators: Run, Current/voltage mode, ErrorFront panel: 2 Rotary switches, 3 LEDs on the front panel.Operating Environment: -10ºC to 45ºC (14ºF to 113ºF); max. 85% RH, non-condensing. IP20Enclosure and Dimensions: Polyamide, DIN-rail mount, IP20, Front Width:22.5 x Height: 99, Depth:114.5, weight 0.45kgMounting: DIN rail 35 mm x 7.5 mm, DIN 46277-3Isolation: Common ground connection (VDC, GND). EMC Immunity Class E2. Analogue Output: 0-10VDC or 4-20mA (PT110LC),0-10VDC or 0-5VDC or 4-20mA or 0-20mA (PT111LC).Programmable Setpoint output: PT110LC;- none,PT111LC;- 2 relay set points, 230 VAC, 0.5 ARS-232C: PT110LC;- none,PT111LC;- Set up and calibration with PC, PLC and AzCom softwareCalibration: PT110LC;- Performed with rotary switches on the front of the instrument.PT111LC;- Performed with rotary switches on the front of the instrument. With AzCom, can be performed via PC without calibration weights.Electronic Calibration: PT110LC;- no.PT111LC;- YES.Fast Calibration: PT110LC;- no.PT111LC;- YES.Digital Filter: PT110LC;- Fixed.PT111LC;- 3 step adjustable digital adaptive filter adjusted via PC with AzCom.

(Due to PT’s policy of continuous development, specifications and products offered are subject to change without notice.)


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