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RIGOL
2-26
DS4000E Programming Guide
Parameter
Name
Type
Range
Default
<n>
Discrete
{1|2}
--
<parity>
Discrete
{NONE|ODD|EVEN}
NONE
Remarks
None: indicates that there is no parity bit in data transmission.
ODD: indicates the odd parity bit. The total count of occurrences of 1 in the data bit and check bit is an
odd number. For example, if 0x55 (01010101) is transmitted, 1 shall be added to the check bit.
Even: indicates the even parity bit. The total count of occurrences of 1 in the data bit and check bit is
an even number. For example, if 0x55 (01010101) is transmitted, 0 shall be added to the check bit.
Return Format
The query returns NONE, ODD, or EVEN.
:BUS<n>:RS232:PEND
Syntax
:BUS<n>:RS232:PEND <package end>
:BUS<n>:RS232:PEND?
Description
Sets or queries the packet end of data of RS232 decoding on the specified bus.
Parameter
Name
Type
Range
Default
<n>
Discrete
{1|2}
--
<package end>
Discrete
{NULL|LF|CR|SP|FF}
NULL
Remarks
The parameters are represented in hexadecimal as follows:
NULL: 00
LF: 0A
CR: 0D
SP: 20
FF: FF
When the packet display is on (refer to the :BUS<n>:RS232:PACKet command), multiple data blocks
will be combined based on the currently selected end of packet (EOP).
Return Format
The query returns NULL, LF, CR, SP, or FF.
:BUS<n>:RS232:POLarity
Syntax
:BUS<n>:RS232:POLarity <pol>
:BUS<n>:RS232:POLarity?
Description
Sets or queries the polarity of RS232 decoding on the specified bus.
Содержание DS4000E Series
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