6240B DC Voltage Current Source/Monitor Operation Manual
2.1.3 Rear Panel
2-11
5. INTERLOCK|OPERATE IN/OUT
INTERLOCK :
Interlock signal input
The input resistance is approximately 10 k.
OPERATE IN :
Sets Standby by a rising edge signal input in the STBY
In function.
Switches between Operate and Standby or between
Operate and Suspend by a level signal input in the OPR/
STBY In or OPR/SUS In function. The input resistance
is approximately 10 k.
OPERATE OUT :
Sends Operate status with a level signal.
The output circuit is TTL level open drain output and
pulled up to +5 V with 10 k.
6. GP-IB: Port for connecting the GPIB cable to the external controller
7. USB: Port for connecting the USB cable to the external controller