COND-SGA-A & COND-SGA-D
STRAIN GAUGE TRANSDUCER AMPLIFIER
1. INTRODUCTION .................................................................................................................................................................................2
1.1. The Strain Gauge Amplifier COND-SGA.....................................................................................................................................2
2. INSTALLATION ...................................................................................................................................................................................3
2.1. Pre-installation.............................................................................................................................................................................3
2.2. Wiring ..........................................................................................................................................................................................3
2.2.1. Power connection................................................................................................................................................................3
2.2.2. Input connection..................................................................................................................................................................4
2.2.3. Output connections .............................................................................................................................................................4
3. SWITCH SETTINGS............................................................................................................................................................................5
3.1. Switch positions...........................................................................................................................................................................5
3.2. Analogue output and excitation voltage - SW4 ...........................................................................................................................5
3.3. Output filter settings - SW3 .........................................................................................................................................................7
3.3.1. Output current mode and input filter - JP1, JP2 & JP3 .......................................................................................................7
3.4. Span (gain) setting switch - SW1 ................................................................................................................................................8
3.4.1. Shunt calibration switch - SW1/8 ........................................................................................................................................9
3.5. Zero (offset) setting switch - SW2 ...............................................................................................................................................9
4. CALIBRATION.....................................................................................................................................................................................9
4.1. Output........................................................................................................................................................................................10
4.2. Zero offset .................................................................................................................................................................................10
4.3. Sensitivity ..................................................................................................................................................................................10
4.3.1. Using a millivolt source .....................................................................................................................................................10
5. TROUBLESHOOTING.......................................................................................................................................................................12
6. PRODUCT CARE..............................................................................................................................................................................13
7. SPECIFICATIONS.............................................................................................................................................................................13
7.1.1. Output options...................................................................................................................................................................14
7.1.2. Connections ......................................................................................................................................................................14
7.1.3. Enclosure ..........................................................................................................................................................................14
7.1.4. Controls.............................................................................................................................................................................14
7.2. CE Approvals ............................................................................................................................................................................14
7.3. SGA/A & SGA/D Connection details .........................................................................................................................................15