Programming the Status Register System

Status Register Bit Values

Status Register Bit Values

Each bit in a register is represented by a decimal value based on its location in the register (see Table 4- 1).

•To enable a particular bit in a register, send its value with the SCPI command. Refer to the signal generator’s SCPI command listing for more information.

•To enable more than one bit, send the sum of all the bits that you want to enable.

•To verify the bits set in a register, query the register.

Example: Enable a Register

To enable bit 0 and bit 6 of the Standard Event Status Group’s Event Register:

1.Add the decimal value of bit 0 (1) and the decimal value of bit 6 (64) to give a decimal value of 65.

2.Send the sum with the command: *ESE 65.

Example: Query a Register

To query a register for a condition, send a SCPI query command. For example, if you want to query the Standard Operation Status Group’s Condition Register, send the command:

STATus:OPERation:CONDition?

If bit 7, bit 3 and bit 2 in this register are set (bits = 1) then the query will return the decimal value 140. The value represents the decimal values of bit 7, bit 3 and bit 2: 128 + 8 + 4 = 140.

Table 4-1 Status Register Bit Decimal Values

Decimal

Always 0

16384

8192

4096

2048

1024

512

256

128

64

32

16

8

4

2

1

Value

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bit Number

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE Bit 15 is not used and is always set to zero.

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Agilent N518xA, E8663B, E44x8C, and E82x7D Signal Generators Programming Guide

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Agilent Technologies N5183A MXG, E8663B Status Register Bit Values, Example Enable a Register, Example Query a Register
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N5183A, N5183A MXG, E8663B, N5181A/82A specifications

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