prog.book : chapter1.fm 61 Mon Feb 15 09:24:37 1999
Power Meter Remote Operation
Triggering the Power Meter
HP E4418B/E4419B Programming Guide
1-61
Triggering the Power Meter
Triggering is a feature that is only available via remote programming of
the power meter.
The power meter has two modes of operation, standby mode and free run
mode. During local operation the power meter is always in free run mode.
During remote operation the power meter can operate in either free run
mode or standby mode and can be switched between modes at any time.
a) Standby mode means the power meter is making measurements,
but the display and remote interface are not updated until a
trigger command is received.
In this mode the power meter is either waiting to be initiated, or
waiting for a trigger (See “Trigger System” on page 63.).
b) Free run mode is the preset mode of operation and is identical to
local operation. The measurement result data available to the
remote interface is continuously updated as rapidly as the power
meter makes measurements. Entry into local mode via
sets the power meter to free run mode
In this mode
INITiate:CONTinuous
is set to
ON
and
TRIGger:SOURce
is set to
IMMediate
.
To obtain accurate measurements, ensure that the input power to the
power sensor is settled before making a measurement.
The trigger configuration is automatically set by the
MEASure?
command.
If you want to use the lower level commands (
READ?
or
INITiate
), you
need to understand the power meter’s trigger model.
Preset
Local
Summary of Contents for E4418B
Page 25: ...prog book chapter1 fm 1 Mon Feb 15 09 24 37 1999 1 Power Meter Remote Operation ...
Page 138: ...prog book ch2meas fm 1 Mon Feb 15 09 24 37 1999 2 MEASurement Instructions ...
Page 200: ...prog book ch3calc fm 1 Mon Feb 15 09 24 37 1999 3 CALCulate Subsystem ...
Page 228: ...prog book ch4cal fm 1 Mon Feb 15 09 24 37 1999 4 CALibration Subsystem ...
Page 242: ...prog book ch5disp fm 1 Mon Feb 15 09 24 37 1999 5 DISPlay Subsystem ...
Page 260: ...prog book ch6form fm 1 Mon Feb 15 09 24 37 1999 6 FORMat Subsystem ...
Page 264: ...prog book ch7mem fm 1 Mon Feb 15 09 24 37 1999 7 MEMory Subsystem ...
Page 294: ...prog book ch8out fm 1 Mon Feb 15 09 24 37 1999 8 OUTput Subsystem ...
Page 302: ...prog book ch9sens fm 1 Mon Feb 15 09 24 37 1999 9 SENSe Subsystem ...
Page 360: ...prog book ch10stat fm 1 Mon Feb 15 09 24 37 1999 10 STATus Subsystem ...
Page 384: ...prog book ch11syst fm 1 Mon Feb 15 09 24 37 1999 11 SYSTem Subsystem ...
Page 420: ...prog book ch12trig fm 1 Mon Feb 15 09 24 37 1999 12 TRIGger Subsystem ...
Page 434: ...prog book ch13unit fm 1 Mon Feb 15 09 24 37 1999 13 UNIT Subsystem ...
Page 442: ...prog book ch14serv fm 1 Mon Feb 15 09 24 37 1999 14 SERVice Subsystem ...
Page 452: ...prog book ch15ieee fm 1 Mon Feb 15 09 24 37 1999 15 IEEE488 2 Command Reference ...
Page 481: ...prog book progIX doc 6 Mon Feb 15 09 24 37 1999 Index 6 HP E4418B E4419B Programming Guide ...