43
5
EXPLANATION OF INDICATED- VALUE-RELATED FUNCTIONS
43
EXP
LANATION OF
INDICATED-
VALUE-RELATED FUNCTIONS
Chapter
5
5-6.
Digital zero
This function is to zero the indicated value.
■
Digital zero / Digital zero reset by means of keys
With respect to torque, digital zero can be executed.
Digital zero reset can also be executed.
1.
Press
on the normal measurement screen.
2.
The display becomes as shown on the right-hand
side, and execution is waited.
Press
once to zero the indicated value.
Press
once to perform digital zero reset of
the indicated value.
Press
once to cancel the state for execute-wait and
go back to the indicated value display state.
■
Digital zero by means of the external signal "D/Z input"
The instant when D/Z and COM2 of the external input/output connector are short-circuited from
an open state (ON edge), digital zero functions to zero torque.
CAUTION
Digital zero will reset during power outage.
After recovering from power failure, digital zero again if necessary.
Torque
Speed
rpm
Nm
H I
LO
HOLD
Angle
rad
deg
ZERO
Torque
Speed
rpm
Nm
H I
LO
HOLD
Angle
rad
deg
ESC
- When digital zero is performed, if the difference from the zero calibration point
exceeds the digital zero limit, the digital zero limit error (
) will result.
Also, only the digital zero limit is subtracted.
- If the digital offset is set, even if digital zero is executed, zero will not result.
(Indicated value = -Setting value of digital offset)
- When digital zero reset is performed, the condition previous to correction by
digital zero is restored.
Point
D/Z
OFF
ON
Keep ON for 1 msec or more.
Summary of Contents for TM380
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