FMS EMGZ Series, Руководство по эксплуатации

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Operating Manual EMGZ611A...614A
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4 System Description
fig. 1: Basic structure shown with the EMGZ612A Double Channel Tension
Measuring Amplifier
E612001e
4.1 Functional Description
The force sensors of each measuring point measure the tension force in the
material and transmit the measuring values as mV signals to the electronic units
EMGZ611A...614A. The electronic unit amplifies the mV signals depending on
configuration. The resulting feedback values are shown in the display in [N] (lbs if
required) for each channel. In addition, the feedback values are provided at the
analog outputs and various interfaces and can be evaluated by analog
instruments, a PLC or equivalent devices
.
4.2 Force Sensors
The force sensors are based on the flexion beam principle. The flexion is
measured by strain gauges and transmitted to the electronic unit as mV signal.
Due to the Wheatstone Bridge wiring of the strain gauges, the measured value is
depending also to the power supply. So, the force sensors are supplied from the
electronic unit by a very accurate power supply.