Omega-engineering OME-A8111 Bedienungsanleitung PDF herunterladen (Seite 31)

3. Calibration

The OME-A-8111 is calibrated to its best state of operation. For environments with large

vibration, recalibration is recommended. Before calibrating the OME-A-8111, users should

have the following items:

z One 6-digit multi-meter.

z One stable voltage source (4.9988V)

z Diagnostic program: this program is included in the delivered package

and will guide the user to in proceeding with the calibration.

3.1 Calibration VR Description

There are seven VRs on the OME-A-8111. Calibration is needed to adjust all seven VRs.

VR Num. Description

VR1 D/A Gain adjustment

VR2 D/A Offset adjustment

VR3 A/D Offset adjustment

VR4 A/D's Gain adjustment

VR5 A/D‘s PGA(Programmable Gain Amplifier) Offset Adjustment

VR4

A/D Converte

VR3

D/A Converte

VR5

VR1

O.P.

VR2

CN1

8 ch.

Mux

OME-A-8111 Hardware Manual (ver.1.1, Jul/2003) 29

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Omega-engineering OME-A8111 Bedienungsanleitung Seite 31