The TIO-3000 System was originally designed to perform precision summing on 2, 3 , or
4 load cell signals for weighing applications. Development has progressed into accessory modules with considerable versatility
for user defined configurations in a compact economical five (5) slot system with built-in meter and channel selector. Please
see below for more information on the four available plug in modules and for available system configurations.
The TMO-3 Module provides sensor excitation,
zero balance control, gain adjustment and calibration resistor, necessary
to condition one
(1) strain gage type sensor signal for display on built-in meter, off
board recording or processing. The nominal output range of the module
is 0 to ±10 VDC. The TMO-3 module derives its power from the TIO-3000
motherboard. On-board regulators supply amplifier bias and bridge excitation.
Each module contains a two-pole filter as the final element.
The PKD-3 Module provides very fast response
to variations in data level and captures the highest peak that occurs
in a given monitor window. Unlike microprocessor controlled meters
that covert in digital readings at three samples per second and then
save the highest reading, the PKD-3 tracks continually and holds in
analog form until reset. The module has polarity select and reset control
which can be operated from the front edge of the module or remotely
by switching TTL control lines to ground.
A typical application for the PKD-3 is with a TMO-3 and a torque transducer
and used with an automatic nut runner. When the runner stalls, peak
torque is saved. If backoff torque is needed for system evaluation,
the module can be rest to zero and the polarity changed, both by computer.
The DSP-3 is designed as a watchdog module
to monitor critical sensor data from a TMO-3 or SUM-3 Module. The window
is normally associated
with signals such as: below norma (yellow), go range or acceptable
(green), and above acceptable (red). Front edge LED's provide this
status, as do output relays. The window is set by a high and low potentiometer,
with set values displayed on the TIO-3000 meter, usually in a engineering
unit like the sensor channel it is tracking. Output relays can be used
to drive larger external alarm devices or to switch off the process
or activity that is causing the unacceptable level.
The SUM-3 Module is designed for precise weighing application
by accepting the output signals from 2, 3 or 4 TMO-3 conditioning modules
and performing the algebraic sum of those signals. Unlike resistor
summers, the active element summing junction does not require sensor
signals of matching output. The TIO-3000 approach provides a cal resistor
to scale amplifiers (TMO-3s) to engineering units. With data now standard
during setup, precision summing is accomplished.
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