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SYSTem:COMMunicate:SERial[:RECeive]:SBITs <bits>
SYSTem:COMMunicate:SERial[:RECeive]:SBITs? [MIN|MAX|DEF]
Parameters
Returned Data
Comments
Error Conditions
Reset Condition
Chapter 3
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SYSTem:COMMunicate:SERial[:RECeive]:SBITs
RS-232 communication. Valid parameters are 1 or 2. Default is 1 stop bit.
SYSTem:COMMunicate:SERial[:RECeive]:SBITs?
representing the number of stop bits for RS-232 communication.
Name
Type
Range of Values Default
<bits> numeric
1, 2
enum.
MIN|MAX|DEF
Type Range
int16
1, 2
Number of Stop Bits.
•
When used with :SBITs, the MIN parameter sets the number of data bits to the
minimum value, 1. When used with :SBITs? it returns the minimum value of 2
but does not change the actual number of data bits used. Likewise, MAX sets
or returns the maximum number of stop bits (2), and DEF sets/returns the
default number of data bits, 1.
•
While this command operates independently of either the ...BITs and ...PARity
<type> commands, there are combinations which are not allowed because of
their data frame bit width. The following table shows the possible
combinations:
...BITS
...PARity <type>
7
7
7
ODD/EVEN
7
ODD/EVEN
8
8
8
ODD/EVEN
8
ODD/EVEN
The following table lists the most common error conditions and causes. Error
numbers and corresponding messages can be found using
Number
Message
-222
"Data out of range"
*RST resets sbits to the last value saved by the SYST:NVS command.
sets the number of stop bits for
returns an integer (1 or 2)
1
Number of Stop Bits.
Description
...SBITs
NONE
NONE
NONE
NONE
Probable Cause
You tried to set a disallowed combination of Bits,
Parity, and Stop Bits.
Programming the Enhanced Monitor
Description
Frame Bits
1
disallowed
2
10
1
10
2
11
1
10
2
11
1
11
2
disallowed
query.
SYSTem:ERRor?
141
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