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Chapter 4 Remote Interface Reference
RS-232 Interface Commands
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4
RS-232 Interface Commands
Use the front-panel “I/O configuration” key to select the baud rate, parity,
and the number of data bits (See chapter 3 “Remote Interface Configuration”,
starting on page 48).
SYSTem:LOCal
This command places the power supply in the local mode during RS-232
operation. All keys on the front panel are fully functional.
SYSTem:REMote
This command places the power supply in the remote mode for RS-232
operation. All keys on the front panel, except the “Local” key, are disabled.
SYSTem:RWLock
This command places the power supply in the remote mode for RS-232
operation. This command is the same as the
SYSTem:REMote
command
except that all keys on the front panel are disabled, including the “Local”
key.
Ctrl-C
This command clears the operation in progress over the RS-232 interface
and discard any pending output data.
This is equivalent to the IEEE-488
device clear action over the GPIB interface.
It is very important that you send the
SYSTem:REMote
command to
place the power supply in the remote mode. Sending or receiving data
over the RS-232 interface when not configured for remote operation can
cause unpredictable results.