144 Keysight E4981A 120 Hz/1 kHz/1 MHz Capacitance Meter
Using Handler Interface
Input/Output Signal Pin Assignment
8-
29 /ALARM
Output
Error-occurrence signal. If a problem (an error in the self
test result, power supply interruption, malfunction of a
specific circuit, etc.) occurs, this becomes LOW. For power
supply interruption, this stays LOW only while the power is
down.
30 /INDEX
Analog measurement end signal. When an analog
measurement finishes, this becomes LOW. When the
handler receives this signal, you can connect the next
DUT. You cannot obtain the measurement data until the
/EOM signal is received.
31 /EOM
Measurement cycle end signal. When a series of
measurement processes finishes and the measured data
sorting judgment result becomes available, this becomes
LOW.
32, 33 COM2
———
Common pins for the external dc voltage EXT_DCV2 (pin
numbers 14 and 15).
34, 35, 36 COM1
Common pins for the external dc voltage EXT_DCV1 (pin
numbers 27 and 28).
Table 8-2 Description of the handler interface input/output signals
Pin
number
Signal name
Input/
output
Description
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