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Summary of Contents for Elsys SGA2
- Page 1 SGA2 Strain Gauge Amplifier User Manual SGA2 Boxed SGA2 Rack...
- Page 2 The design of the instrument has been verified to conform to the EN 61010-1 safety standard per the following limits: Legal Notice TranAX® is a registered trademark by Elsys AG • Installation (Over voltage) TraNET® is a registered trademark by Elsys AG •...
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Page 3: Table Of Contents
5.3 Full Bridge (Load Cell) ..........11 6. Open the SGA Box Enclosure.......12 7. Base Unit Specifications ........13 7.1 Mechanical Specification ........13 7.2 Power ................13 8. SGA2-Box MK2 ...........13 8.1 Mechanical Specification ........13 8.2 Power ................13 9. Amplifier Specifications ........14 Elsys AG... -
Page 4: Introduction
(for up to 5 modules / 10 channels) 2-Channel Boxed Variant • Amp-BU-24 • 2-Channel modules SGA-Box/6, (for up to 12 modules / 24 channels) SGA-Box/7 or SGA-Box/16 • USB interface (emulated COM port) for accessing all installed amplifier (Internally over RS485) SGA2 User Guide Elsys AG... -
Page 5: Operating Elements
SGA in the boxed version. Bridge Connector 1 / 10 / 100 Gain Switch Analog Output Zero/ Auto O set Status LED 12 V Power Supply Ext. Trigger Input for Auto O set USB Interface Earth Elsys AG SGA2 User Guide... -
Page 6: Connections
2.1 Connector and Cable 2.2 Pin Assignment The SGA cable assembly with LEMO circular 1) Applies to cables manufactured by Elsys only. push pull connectors, straight plug male with cable collet. CLAD72 defines the maximum outer cable diameter, e.g. 7.2mm. -
Page 7: Operating Modes
With 6-wire, the voltage is regulated directly at the sensor and not in the amplifier itself. 3.2 Full Bridge The complete bridge is formed outside the amplifier. Connector Connector Case Case 6-Wire Full Bridge 4-Wire Full Bridge Elsys AG SGA2 User Guide... -
Page 8: Quarter Bridge
Rg but must not follow the deformation of the device under test. Even if two sensors are used, it is still a quarter bridge as only one sensor is active. Quarter Bridge SGA2 User Guide Elsys AG... -
Page 9: Configuration
(except for gain) individually configurable for both channels. Independent gain selection per channel is only available with the SGA2 configuration software. Board Address (Rack Only) The board address (rotary switch) has to be selected ones for a board. In the boxed version, this address is per default set to 0. -
Page 10: Software Settings
2% and is meant to see a trend or position of a sensor or measurement. For high speed and high resolution, the signal must be measured on the analog output with a dedicat- ed Transient Recorder. SGA2 User Guide Elsys AG... -
Page 11: Calculations
Output Voltage in mV • S Sensitivity in mV/V where • LR rated load in Kg • Amplifier Gain • Output Voltage • Excitation Voltage • Gauge Factor 5.2 Half Bridge 5.3 Full Bridge (Load Cell) Elsys AG SGA2 User Guide... -
Page 12: Open The Sga Box Enclosure
In case of changing the Dip-Switch settings, the SGA boxed version has to be opened. Please note that all settings can be done with the Elsys SGA 2.0 Tool. Necessary tools: T8 Torx or star screwdriver Remove the connector for external calibration on the rear side. -
Page 13: Base Unit Specifications
100 to 250 VAC, 50/60 Hz Power consumption max. 75 W Inlet Protection Fuse Type 5x20 mm, only T2AL fuses must be used. There are two fuses installed. 8. SGA2-Box MK2 8.1 Mechanical Specification Case Aluminum case Approx. 110x45x185 mm (WxHxD) 8.2 Power 12 VDC, max. -
Page 14: Amplifier Specifications
90 mA max. ±2 V (Load = 50 Ω) Internal ½ Bridge Asymmetry Input Voltage (Protected Input Range) max. ±0.1% (= 10 mV @ 10V) max. ±42 V (Signal Inputs) max. ±5 V (Excitation Voltage Pins) SGA2 User Guide Elsys AG... - Page 15 < 50% at 31 to 45°C Operating Elevation max. 2’000 m Connector Type Output Connector Type Input Lemo 16-Pol. Model FGG.2B.316.xx Lemo 7-Pol. Model FGG.1B.307.xx Lemo 6-Pol. Model FGG.1B.307.xx File Revision: Date Description 09.11.2023 Manual Update Elsys AG SGA2 User Guide...
- Page 16 The Manufacturer: Elsys AG Mellingerstrasse 12 5443 Niederrohrdorf Switzerland Declare that the product: SGA2 Box | SGA2 Rack 2 to 24 channel strain gauge amplifier device is conformal to the following directives and standards: Product Standards: IEC 61326-1:2020 (ed.3.0) CISPR 11:2015 class B...
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