Hioki RM3542-50, Instruction Manual

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8.1 Ext. I/O Connectors and Signals
97
8
Input Signals
Output Signals
Signal Descriptions
TRIG When external triggering [EXT] is enabled, one measurement is performed at the falling (ON)
or rising (OFF) edge of the TRIG signal. Falling (ON) or rising (OFF) edge triggering can be
selected on the Settings screen.
(default: falling (ON))
When internal triggering [INT] is enabled, external triggering is disabled.
Also, when the Settings Monitor function (p. 59) is enabled and an error occurs, triggering is
disabled.
The TRIG signal performs the following operations in addition to external triggering.
•
Stores statistical calculation data (when statistical calculation is enabled)
•
Stores measured data to internal memory (when the data memory function is enabled)
(also operates with internal triggering)
(p. 106)
0ADJ Changing the 0ADJ signal from High (OFF) to Low (ON) causes one zero-adjustment opera-
tion to be performed at the edge of the change.
To avoid a malfunction, this signal should
be asserted (Low) for at least 10 ms.
(p. 34)
PRINT Changing the PRINT signal from High (OFF) to Low (ON) prints the current measurement
value at the edge of the change. (p. 93)
CAL Changing the CAL signal from High (OFF) to Low (ON) on the Self Calibration Manual Setting
screen executes self calibration at the edge of the change.
The time required for self calibration is as follows:
Approximately 130 ms (with the 60 Hz line frequency setting), or 110 ms (with the 50 Hz set-
ting)
If asserted during measurement, executes after the end of measurement.
(p. 65)
HOLD While holding the HOLD signal at a low level, set the trigger source to external triggering,
[EXT]. When the HOLD signal is high, returns to the settings made on the Settings screen or
by commands.
PRB_CHECK Changing the PRB_CHECK signal from High (OFF) to Low (ON) executes the probe short-cir-
cuit detection at the edge of the change. If asserted during measurement, executes after the
specified time from the end of measurement. (p. 57)
KEY_LOCK When the KEY_LOCK signal is low (ON), all front panel key operations (excluding the
POWER button) are disabled. (Unlocking and remote status cancellation key operations are
also disabled.)
(p. 67)
ERR This signal indicates that a measurement error has occurred (except for out-of-range detec-
tion). It is updated simultaneously with the EOM signal.
At this time, all comparator judgment result outputs are High (OFF). (p. 40)
CE_HI This signal indicates that a contact check error has occurred between the H
CUR
and H
POT
contacts. It is updated simultaneously with the EOM signal. At this time, all comparator judg-
ment result outputs are High (OFF).
(p. 50)
CE_LO This signal indicates that a contact check error has occurred between the L
CUR
and L
POT
contacts. It is updated simultaneously with the EOM signal. At this time, all comparator judg-
ment result outputs are High (OFF).
(p. 50)
PRB_SHORT This signal indicates that a foreign object is shorting the POT and CUR contacts in a four-ter-
minal probe tip.
At this time, all comparator judgment result outputs are High (OFF).
(p. 57)
INDEX This signal indicates that A/D conversion in the measurement circuit is finished. When this
signal changes from High (OFF) to Low (ON), you can remove the measuring object from the
probe.