Root (:) Commands
7
Keysight P9241/42/43A Oscilloscopes SCPI Programmer's Guide
211
:OVLenable (Overload Event Enable Register)
Command Syntax
:OVLenable <enable_mask>
<enable_mask> ::= 16-bit integer
The overload enable mask is an integer representing an input as described in the
following table.
The :OVLenable command sets the mask in the Overload Event Enable Register
and enables the reporting of the Overload Event Register. If an overvoltage is
sensed on a 50
Ω
input, the input will automatically switch to 1 M
Ω
input
impedance. If enabled, such an event will set bit 11 in the Operation Status
Register.
NOTE
You can set analog channel input impedance to 50
Ω
on the 300 MHz, 500 MHz, and 1 GHz
bandwidth oscilloscope models. On these same bandwidth models, if there are only two
analog channels, you can also set external trigger input impedance to 50
Ω
.
Table 78
Overload Event Enable Register (OVL)
Bit
Description
When Set (1 = High = True), Enables:
15-10
---
(Not used.)
9
Channel 4 Fault
Event when fault occurs on Channel 4 input.
8
Channel 3 Fault
Event when fault occurs on Channel 3 input.
7
Channel 2 Fault
Event when fault occurs on Channel 2 input.
6
Channel 1 Fault
Event when fault occurs on Channel 1 input.
5-4
---
(Not used.)
3
Channel 4 OVL
Event when overload occurs on Channel 4 input.
9
8
10
11
12
13
14
15
To OVLR bit in
Operati on Status
Register
OR
1
0
2
3
4
5
6
7
:OVLR?
Overload Event Register
:OVL
:OVL?
Overload Event Enable
(Mask) Register
Chan2
OVL
Chan1
OVL
Chan3
OVL
Chan4
OVL
Chan2
Fault
Chan1
Fault
Chan3
Fault
Chan4
Fault
Содержание P9241
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Страница 416: ...416 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 20 MARKer Commands...
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Страница 532: ...532 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 22 MTESt Commands...
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Страница 1204: ...1204 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 37 More About Oscilloscope Commands...
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