HP 132A User Manual download pdf (Page 100)

Chapter 3 Programming Your Universal Counter for Remote Operation

Status Reporting

3-32 Programming Guide

Note that this is the only bit in the Operation Status Register which is not

representing a condition. Therefore, the transition filters have no effect on

this bit.

The Counter does not monitor the condition indicating whether the last

measurement was in or out of limit. Hence, the In Limit Event bit does

NOT represent the transition from an “out of limit measurement” to “in

limit measurement.”

• Bits 11–15 are not used.

Questionable Data/Signal Status Register Group

The Questionable Data/Signal Status Register Group monitors

SCPI-defined conditions.

Table 3-8 lists the Questionable Data/Signal Status Register bits and briefly

describes each bit.

Table 3-8. Questionable Data/Signal Status Register

BIT WEIGHT DESCRIPTION

0 Not used

1 Not used

2 4

Time (Time Interval, Rise Time, Fall Time, Pulse Width,

Duty Cycle, and Period)

3 Not used

4 Not used

5 32 Frequency (only Frequency; not Frequency Ratio)

6 64 Phase

7 Not used

8 256 Calibration Error

9 Not used

10 1024 Out of Limit Event

11–13 Not used

14 16384 Command Warning

15 Not used since some controllers may have difficulty

reading a 16-bit unsigned integer. The value of this bit

shall always be 0.

1 2 ... 95 96 97 98 99 100 101 102 103 104 105 ... 329 330

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HP 132A User Manual Page 100