Search
Search

DC CF measuring amplifier Q.bloxx A106

2-channel CF measuring amplifier
  • Class of accuracy 0.05
  • Measuring frequency up to 1 kHz
  • Digital switching inputs and outputs
  • 2 analogue outputs
  • Setting via software (requires separate configuration kit)

Important features

  • Supply: +10 ... 30 VDC
  • Frequency: DC / 600 Hz/ 4.8 kHz
  • Output: ±10 V
  • Design: Top-hat rail

Analogue inputs

   
Number 2
Accuracy 0.05% typical,
0.1% in controlled magnetic environment 1),
0.5% in industrial environment 2)
Repeatability 0.005% typical (within 24 h)
Input resistance > 10 MΩ
Insulation voltage 500 VDC channel to channel, to power supply, to interface 3) 
1) according to EN 61326: 1997, Annex B
2) according to EN 61326: 1997, Annex A
3) interference voltages up to 1000 VDC, permanent up to 250 VDC
       
Transducer type Ohmic full and half bridge (5/6-wire), quarter bridge with
supplementary terminal (3-wire)		 Ohmic full and half bridge (5/6-wire), quarter bridge with
supplementary terminal (3-wire)		 Ohmic full and half bridge (5/6-wire), quarter bridge with
supplementary terminal (3-wire),
inductive full and half bridge ;
LVDT and RVDT transducers
Permissible length of transducer cable < 300 m < 100 m
Transducer connection With or without sensor leads to compensate for cable influences
Full bridge 4- or 6-wire
Half bridge 3- or 5-wire
Quarter bridge 3-wire in connection with supplementary terminal 120 Ω or 350 Ω
           
Bridge supply voltage   DC: 5 VDC TF: 5 Vrms DC: 2,5 VDC TF: 2,5 Vrms
Permissible transducer resistance   > 300 Ω > 100 Ω
Measuring ranges   ±1,25 ... 500 mV/V ±2,5 ... 1000 mV/V
Temperature influence on the
zero point (range 2.5 mV/V)		   <1 µV / 10 K
Temperature influence on the
sensitivity (of the measured value)		   < 0,05 % / 10 K
Long-term drift   < 1 µV/V / 24 h
< 2,5 µV/V / 8000h		 < 0,5 µV/V / 24 h
< 1,25 µV/V / 8000 h		 < 1 µV/V / 24 h
< 2,5 µV/V / 8000h		 < 0,5 µV/V / 24 h
< 1,25 µV/V / 8000 h
Linearity   < 0,02 % F.S.O.
Noise voltage up to 10 Hz   < 0,3 µV/V
Noise voltage up to 100 Hz   < 1 µV/V

Analogue / Digital conversion

       
Resolution 24 bit
Conversion rate 10 kHz
Conversion process Sigma delta (group delay 600 µs)
Anti-Aliasing filter DC: 1 kHz, 5th order;
4, 8 kHz TF: 1 kHz, 5th order;
600 Hz TF: 100 Hz 5th order
Digital filter IIR, low pass, high pass, band pass, 4th order, 1 Hz to 1 kHz in steps 1, 2, 5,
Averaging Adjustable or automatic according to the set data rate

Analogue outputs

   
Amount 2 voltage outputs
Accuracy 0.02 %
DAU resolution 16 bit
Change rate 10 kHz
Output voltage ±10 VDC
Allowable load resistance > 2 kΩ
Temperature influence on zero < 1 mV / 10 K
Temperature influence on measurement sensitivity < 0.05 % / 10 K
Noise voltage in range < 10 mV at 1 kHz,
< 2 mV at 10 Hz
Long-term drift <1 mV / 24 h,
<2.5 mV / 8000 h

Digital inputs / outputs

   
Amount 4 configurable inputs/outputs
Input Status, Tare, Reset
Input voltage max. 30 VDC
Input current max. 0.5 mA
Upper switching threshold > 10 V (high)
Lower switching threshold < 2.0 V (low)
Output Status, Alarm, Limit
Contact open drain p-channel MOSFET
Load capacity 30 VDC/100 mA (resistive load)

Supply

   
Supply voltage 10 ... 30 VDC, overvoltage and reverse polarity protection
Power consumption approx. 2,5 W
Influence of the voltage <0,001 %/V

Environmental conditions

   
Operating temperature -20 °C ... +60 °C
Storage temperature -40 °C ... +85 °C
Relative humidity 5 % ... 95 % at 50 °C, non-condensing

Communication interface

   
Standard RS-485, 2-wire
Data format 8e1
Protocols Local bus: 115,200 bps to 48 Mbps,
Modbus-RTU, ASCII: 19,200 bps to 115,200 bps
Number of units on the bus max. 32

Casing

   
Material Aluminium and ABS
Dimensions (W x H x D) (27 x 120 x 105) mm
Weight approx. 200 g
Mounting type DIN EN mounting rail

All data are valid after a warm-up time of 45 minutes.

Dimensional drawings

Block diagram

Block diagram qbloxx a106

Downloads

icon-pdf-blueProduct data sheet

Accessories

accessories teaser image

Accessory

View product