Model 6517B Electrometer Reference Manual
Section 11: Remote operations
6517B-901-01 Rev. C / August 2015
11-21
RS-232 interface configuration
Model 6517B:
The RS-232 Serial Interface is selected and configured from the
COMMUNICATION
option of the
MAIN MENU
. The
MAIN MENU
is accessed from the front panel by pressing the
MENU
key. The
following information summarizes the steps to select and configure the RS-232 interface.
1. Select the RS-232 interface as follows:
Press
MENU
.
Select
COMMUNICATIONS
.
Select
RS-232
.
Switching from the GPIB interface to the RS-232 interface resets the instrument to the power-on
defaults. In this case, you must repeat step 1 to display the RS-232 SETUP menu.
2. Set the BAUD rate, terminator, and flow control as follows:
Select
BAUD
.
Select
115200
,
57600
,
38400
,
19200
,
9600
,
4800
,
2400
,
1200
,
600
or
300
.
Select
terminator
.
Select
<CR>
,
<CR+LF>
,
<LF>
, or
<LF+CR>
.
Select
FLOW-CTRL
,
NONE
, or
XON-XOFF
.
Select
STOP
.
Select
1
or
2
.
3. Continue on to select the data elements that you want to include for each conversion. Use a
manual range key to toggle between yes (y) and no (n):
Select
ELEMENTS
.
Select
RDG
,
RDG#
,
UNIT
,
CH#
,
HUM
,
ETEMP
,
TIME
, or
STATUS
.
Data elements can be selected over the RS-232 interface using the
:FORMat:ELEMents
command
(see
SCPI command reference
(on page 14-1)). All other RS-232 interface configuration settings
have to be changed from the front panel
MAIN MENU
.
Computer:
From your communications software, configure the RS-232 interface for your computer as follows:
RTS-CTS OFF.
XON-XON: ON.
Local echo: ON.
Make sure the RS-232 parameters (baud rate, terminator, and flow control) of your computer
matches the RS-232 parameters of the Model 6517B.
RS-232 operating considerations
Response messages (queries)
After a query command is sent and parsed, the response message is immediately sent to the
computer. Thus, the computer should be ready to receive the response message at that time.