41
11
Remote Interface Operation
The Instrument comes with RS232, USB (USBTMC, and USBVCP), GPIB, LAN and analog
interfaces. Users can program the Instrument using the SCPI (Standard Commands for
Programmable Instruments) commands through any of the remote interfaces. Only one
interface at a time can be enabled and used to control the Instrument.
11.1
Interface Connection
11.1.1
RS232
The RS232 interface can be found on pin 23 (RX) and 11 (TX) of the DB25 port. See the
settings below:
Settings
Value
Baud
19200
Data bits
8
Parity
None
Stop bits
1
Flow control None
Table 17 - RS232 Settings
11.1.2
USBVCP (virtual COM)
The USB port is a virtual COM port, which can be used for remote communication. See
the settings below:
Settings
Value
Baud
19200
Data bits
8
Parity
None
Stop bits
1
Flow control None
The USB interface does not support flow control. The programmer should be
aware of this limitation and pay attention to the Instrument command process
time. If the remote commands are sent too fast the internal buffer may overrun
and cause communication errors. Therefore, it is mandatory to add a delay
between commands so that the Instrument can have sufficient time to process.
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