AST BA 627 Manual
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AST BA 627 Manual

Strain gauge measuring amplifier
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Strain Gauge Measuring Amplifier BA 627

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1.  Safety precautions ........................................................................................................................ 2 
1.1. 
Field of application ................................................................................................................... 2 
1.2. 
Installation ................................................................................................................................ 2 
1.3. 
Maintenance ............................................................................................................................. 2 
1.4. 
Factory setting .......................................................................................................................... 2 
2.  Operation ........................................................................................................................................ 3 
2.1. 
Overview operating elements BA 627 ...................................................................................... 3 
2.2. 
Sensitivity (S1) ......................................................................................................................... 3 
2.3. 
Signal output (S2, S4, S5) ........................................................................................................ 3 
2.4. 
2.5. 
Zero range (S3-2) ..................................................................................................................... 4 
2.6. 
Amplification (Gain fine) ........................................................................................................... 4 
2.7. 
Cut-off-frequency (S3-1) .......................................................................................................... 4 
2.8. 
Test input ................................................................................................................................. 4 
3.  Specifications ................................................................................................................................ 5 
3.1. 
General technical data ............................................................................................................. 5 
3.2. 
Connections ............................................................................................................................. 6 
3.3. 
Dimensions .............................................................................................................................. 7 
4.  EC Declaration of Conformity ....................................................................................................... 8 
Technical changes reserved. 08/2018
A.S.T. - Angewandte System Technik GmbH, Mess- und Regeltechnik
Original of the
Manual
A.S.T. - Angewandte System Technik GmbH, Mess- und Regeltechnik
Marschnerstraße 26
Telefon (03 51) 44 55 30
01307 Dresden
Telefax (03 51) 44 55 555
www.ast.de
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Summary of Contents for AST BA 627

  • Page 1 1.3.  Maintenance ..........................2  1.4.  Factory setting .......................... 2  2.  Operation ............................3  2.1.  Overview operating elements BA 627 ..................3  2.2.  Sensitivity (S1) ......................... 3  2.3.  Signal output (S2, S4, S5) ......................3  2.4.  Zero alignment (Zero >0<) ....................... 4 ...
  • Page 2 In this operating manual, the installation, putting into operation and the operation itself of the Strain Gauge Bridge Amplifier BA 627 is described. It is assumed that all measures are taken by qualified staff only who have adequate knowledge in the fields of measuring and control engineering.
  • Page 3 Manual BA 627 2. Operation 2.1. Overview operating elements BA 627 (4...12...20)mA (0...10...20)mA S3.1: cut-off-frequency Adjustment output signal (0...5...10)V S3.2: Zero range (Example: (-10V…+10V) R31 Zero >0< Test input Fine adjustment zero point S4 and S5 Setting output signal R34 Gain fine...
  • Page 4 Manual BA 627 2.4. Zero alignment (Zero >0<) Use the R31 Zero >0< potentiometer of the measuring amplifier to align zero. 2.5. Zero range (S3-2) Select the range of the zero point 0,35 mV/V or 0,15 mV/V with the DIP-switch S3-2.(see too 2.4).
  • Page 5 Manual BA 627 3. Specifications 3.1. General technical data Accuracy Class Input signal range (+Si/-Si) mV/V 0.28 ... 3.6 (4-wire technology) Bridge resistance of the strain gauge bridge Ω 350 ... 1000 Excitation voltage (+Ex/-Ex) Fine adjustment (input signal range) approx.
  • Page 6 X1 (Test) test Ω Figure 1: Wiring diagram Test OUT+ OUT- Socket Plug Figure 2: connection BA 627-ST Figure 3: connection BA 627-KL Page 6 of 8 Technical changes reserved. 08/2018 A.S.T. - Angewandte System Technik GmbH, Mess- und Regeltechnik...
  • Page 7 Manual BA 627 3.3. Dimensions Test OUT+ OUT- 6-pin flange socket 5-pin. flange plug excitation voltage / signal input power supply/ output / test sensor amplifier 2 cable glands M16x1,5 Cable diameter: 5 ... 10 mm (when using the incision sealing rings 3 ... 5,5mm)
  • Page 8 Manual BA 627 4. EC Declaration of Conformity Page 8 of 8 Technical changes reserved. 08/2018 A.S.T. - Angewandte System Technik GmbH, Mess- und Regeltechnik...

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