Specifications

Chapter 2 Command System RIGOL
M300 Programming Guide 2-191
STATus:ALARm[:EVENt]?
Syntax
STATus:ALARm[:EVENt]?
Description
Query the event register for the Alarm Register set.
Explanation  As the event register is read-only, once a bit is set to 1, it remains set until cleared by
the query command (such as the STAT:ALAR:EVENt? command) or the
*CLS
command.
 The bit definitions for the alarm event register are as shown in the table below.
Bit
Bit Name
Weight
Definition
0-3
Not Used
1-8
Always be 0.
4
Queue Not Empty
16
The alarm queue is not empty.
5
Not Used
32
Always be 0.
6
Alarm 1
64
Alarm 1 is triggered.
7
Alarm 2
128
Alarm 2 is triggered.
8
Alarm 3
256
Alarm 3 is triggered.
9
Alarm 4
512
Alarm 4 is triggered.
10-11
Not Used
1024-2048
Always be 0.
12
Lower Limit
4096
A lower limit alarm has occurred.
13
Upper Limit
8192
An upper limit alarm has occurred.
14-15
Not Used
16384-32768
Always be 0.
Return
Format
The query returns an integer which corresponds to the binary-weighted sum of all the bits
in the register. For example, if bit 4 (16 in decimal) and bit 12 (4096 in decimal) are
enabled, this command will return 4112 (#b1000000010000).
Example STAT:ALAR:EVENt?
The query returns 4112.
Related
commands
STATus Command Subsystem
STATus:ALARm:CONDition?
STATus:ALARm:ENABle
*CLS