F/T DAQ Installation and Operation Manual
Document #9610-05-1017-06
ATI Industrial Automation, 1031 Goodworth Drive, Apex, NC 27539 USA +1-919-772-0115 www.ati-ia.com
22
∆R = S
a
·R
o
·ε
∆R = Change in resistance of strain gauge
S
a
= Gauge factor of strain gauge
R
o
= Resistance of strain gauge unstrained
ε = Strain applied to strain gauge
The electronic hardware, described in Section 3.3, measures the change in resistance and the
software, described in Section 4, converts this change to force and torque components.
3.3 Electronic Hardware
Figure 3.2—Electronic Hardware Outline
Transducer
Power Supply
Electronics
Interface
Electronics
Data Acquisition
Hardware
Your Computer
Digital
Information
Raw
Power
Composite Loading
Information (Low-
Level Voltages)
Composite Loading
Information (High-
Level Voltages)
Precision
Power
Data Acquisition card drivers receive
transducer load information.
DAQ F/T software and transducer
calibration data convert transducer
load information into useable force and
torque data.
.
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