Model 6517B Electrometer Reference Manual Section 11: Remote operations
6517B-901-01 Rev. C / August 2015 11-23
Error messages
The following error messages are associated with RS-232 interface operation. These error messages
are also listed in Status and error messages (on page 2-11). Note that any of the following errors sets
Bit B11 of the Operation Condition Register.
Error messages
Error code Error message Description
+800 RS-232 framing error detected
Start or stop bit mismatch between computer and
Model 6517B.
+801 RS-232 parity error detected
Parity type mismatch between computer and Model
6517B.
+802 RS-232 overrun detected Data received before previous data can be read.
+803 RS-232 break detected A break occurred (device-clear occurs).
+804 RS-232 noise detected Noisy signal that could corrupt data.
+805 Invalid system communication
RS-232 interface selection lost on power-up;
instrument defaults to GPIB.
+806 RS-232 settings lost RS-232 settings lost on power-up.
+807 RS-232 OFLO; characters lost
A character was received but discarded due to a lack
of input buffer space. Each line-feed character
(<LF>) closes a buffer and opens another. Thus, if
too many line-feeds are sent in succession, then all
buffers are filled before they have a chance to be
read.
+808 ASCII only with RS-232 A data format other than ASCII was selected.
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