This function provides interfacing between the load
transducer (load cell) and the console. Functions that
this section supplies are excitation to a load cell, process-
ing of its output signal, and providing calibrated analog
and digital load weighing information to the console and
readout devices.
Strain Sensor Conditioner
This function is located on an optional plug-in board and
is similar to the Load Sensor Conditioner. It provides in-
terfacing between strain measuring extensometers and
the console, and is available as an AC Strain Condi-
tioner (Catalog No. 2210-863). This conditioner is used
with strain gauge extensometers, rationalized long-travel
extensometers, and linear variable displacement
transducers (LVDTs). An AC/DC version (Catalog No.
2210-865) is used with video extensometers and high
resolution digital (HRD) automatic extensometers.
IEEE-488 Interface
This function allows a Series 4400 testing system to be
remotely controlled by an external personal computer
through a General Purpose Instrument Bus (GPIB). This
microprocessor-based pc board interacts directly with
the CPU, thus enabling a supervisory program to control
console and load frame functions. The external com-
puter must be able to transfer program messages to and
receive measurement messages and status from the test
instrument. Complete programming information is sup-
plied with the IEEE-488 interface option kit.
Introduction
Console Internal Functions
1-15
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