6243/44 DC Voltage Current Source/Monitor Operation Manual
2.1.3 Rear Panel Summary
2-8
1. Output terminal section (only 6243)
OUTPUT terminals (HI and LO):Voltage and current output terminals
SENSE terminals (HI and LO):Voltage output terminals in the remote sense mode (4-wire connec-
tion) and current measurement input terminals
DRIVING GUARD terminal: Driving guard output terminal (of Guards the HI side connection
while at the same potential as that of the HI SENSE terminal)
2. AC power connector: Connects the 6243/44 to the AC power supply through this connec-
tor with the supplied power cable.
3. Voltage selector, fuse holder: Allows the voltage setting to be switched manually to match the
used AC line voltage. A fuse is contained inside the holder.
4. GP-IB connector: Used for connecting the 6243/44 to an external controller with a
GPIB cable.
5. INTERLOCK OPERATE IN/OUT connector:
Interlock Connector used to operate the ON/OFF input signal, or the
ON/OFF output signal.
At TTL level open drain output, the output is pulled up to +5 V with
10 K.
For input, the input impedance is approximately 10 K and for out-
put, the output impedance is approximately100 .
6. COMPLETE OUT BUSY IN/OUT connector:
Connector used to output the measurement completion signal, and
the I/O signal while the measurement is in progress (busy).
The completion signal is a negative pulse. The pulse width depends
on the setting (20 s to 30 s or 100 s to 200 s) of the pulse width
at the external control signal output.
At the TTL level open drain output, the output is pulled up to +5 V
with 10 K.
For input, the input impedance is approximately 10 K and for out-
put, the output impedance is approximately 100 .
7. SYNC OUT connector: Output connector used to output the signal synchronized with the
pulse and sweep source value output.
At the TTL level open drain output, the output is pulled up to +5 V
with 10 K. The output signal is a negative pulse. The pulse width
depends on the setting (20 s to 30 s or 100 s to 200 s) of the
pulse width of the external control signal output. The output imped-
ance is approximately 100 .
WARNING: A hazardous voltage is output if conditions such as the following occur: the instrument is
damaged, an external hazardous voltage is applied, or relevant setting conditions occur.
Be careful of electric shocks.
WARNING:
A hazardous voltage is output if an external hazardous voltage is applied to the case, causing
a potential difference between the case and the LO.
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