HP EPM-442A Manuel d'utilisateur télécharger pdf (Page 133)

HP4402.book : chapter4.fm 3 Wed Apr 23 15:29:05 1997

Error Messages

Introduction

HP EPM-442A User’s Guide 4-3

Errors are retrieved in a ﬁrst in ﬁrst out (FIFO) order. If more than 30

errors occur, the error queue overﬂows and the last error in the queue is

replaced with error -350, “Queue Overflow”. Any time the queue

overﬂows the most recent error is discarded.

Once the errors are read they are removed from the error queue. This

opens a position at the end of the queue for a new error message, if one is

subsequently detected. When all errors have been read from the queue,

further error queries return +0, “No errors”.

To delete all the errors in the queue from the front panel press:

• , , then .

To delete all the errors in the queue remotely use:

• the *CLS (clear status) command.

The error queue is also cleared when the instrument power has been

switched off.

System

Inputs

Error List Clear Errors

1 2 ... 128 129 130 131 132 133 134 135 136 137 138 ... 163 164

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HP EPM-442A Manuel d'utilisateur Page 133