Features and Functions
2
Keysight U2781A User’s Guide
39
Fan Speed Monitoring
The U2781A USB modular instrument chassis is also integrated with a fan speed
control circuit. It is used to monitor the fan status and speed. The control circuit
communicates with backplane USB device via I
2
.
To query the fan status, send the SCPI command below:
SYSTem:FSTATus? {1|2}
To query the fan speed in revolutions per minute (rpm),
send the SCPI command
below:
SYSTem:FSPeed? {1|2}
Содержание U2781A
Страница 1: ...Keysight U2781A USB Modular Instrument Chassis User s Guide ...
Страница 2: ......
Страница 3: ......
Страница 12: ...12 Keysight U2781A User s Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...
Страница 14: ...14 Keysight U2781A User s Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...
Страница 18: ...1 Getting Started 18 Keysight U2781A User s Guide Dimensions 270 00 mm 271 20 mm 197 00 mm ...
Страница 22: ...1 Getting Started 22 Keysight U2781A User s Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...
Страница 26: ...2 Features and Functions 26 Keysight U2781A User s Guide Figure 2 1 USB backplane block diagram ...