MM-400A
8. Operation Screens
8-107
(Note 2) When 20 μs or 50 μs is selected for SAMPLING INTERVAL and force
or external input is measured, the sampling interval becomes 100 μs
automatically.
(2) CURRENT CONVERSION COEFFICIENT
Set a conversion coefficient of toroidal coil. The setting is valid only when
TIMES 1 is selected for TOROIDAL COIL. (Refer to (2) in “l-3. BASIC SETUP
(3) Screen.”) For our ISO toroidal coil (MB-400M/800M), the rated
conversion coefficient is 227.0 mV/kA.
When using our toroidal coil, do not change the conversion coefficient.
(3) FORCE / EXTERNAL SAMPLING INTERVAL
Set the sampling interval of force and external input (voltage or current)
measurement.
100us: Performs measurement (sampling) every 100 us, calculates and
displays waveforms every 100 us, and outputs data
*1
every 100 us.
(Note 1)
200us: Performs measurement (sampling) every 200 us, calculates and
displays waveforms every 200 us, and outputs data
*1
every 200 us.
500us: Performs measurement (sampling) every 500 us, calculates and
displays waveforms every 500 us, and outputs data
*1
every 500 us.
Available only for the force/displacement-equipped specification.
*1: Waveform output by communication and USB
(Note 1) When 200 μs is selected for CURRENT SAMPLING INTERVAL, the
sampling interval becomes 200 μs automatically.
(4) BATTERY VOLTAGE
Shows the voltage of the backup battery of the MM-400A. When the residual
capacity of a battery is small, an error occurs.
(5) POWER FREQUENCY
Automatically measures commercial frequency of the power supply connected
to the MM-400A and displays it. Displays 50Hz or 60Hz for commercial
power supply and “- Hz” for 24 V DC power supply.
(6) Function keys
MENU: Touching this displays the MENU screen.
PREV: Touching this displays the SYSTEM SETUP (1) screen.
DIST 0: Touching this resets the measured value of displacement at that time
to 0. Available only for the force/displacement-equipped specification.
FORCE 0: Touching this resets the measured value of force at that time to 0.
Available only for the force/displacement-equipped specification. Perform a
reset without applying loads to the force sensor.
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