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Gpib operation ml4803a emulation commands – Anritsu ML2430A User Manual

Page 178

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OPW

Request for channel reading.

Remarks:

Outputs measuring condition, measured data, and status. CR and LF
codes are automatically output and executed after each line of 22 ASCII
characters when the OPW command is used. The format of the returned
data is:

The data output codes are as shown in the table below. See the next page
for measured data output examples.

Output Code

Contents

Function

V

D

U

O

Z

Measured data valid

Data range over

Underrange (dBm and dBr)

Overrange

Zero adjustment

STATUS

WATT

dBm

dBr

%

VSWR

dB50

dB75

VL50

VL75

Watt

dBm

dBr

%

VSWR

dBu, 50

W system

dBu, 75

W system

Volt, 50

W system

Volt, 75

W system

MODE

MRG1

MRG2

MRG3

MRG4

MRG5

HOLD

highest sensitivity 1

2

3

4

lowest sensitivity 5

RANGE

ML2430A OM

6-91

GPIB OPERATION

ML4803A EMULATION COMMANDS

EXPONENT

STATUS

MODE

RANGE

AVERAGE

SIGN

5 CHARACTER DATA

ALWAYS “_”
ALWAYS “E”

7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22

6

5

4

3

2

1

Figure 6-5. OPW Data Output Format