Siemens IP-Module Manual Pagina 138

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Machine Data, Modes and Traversing Programs IP 266
5.3.21 Information Modes (Mode 71, Mode 72, Mode 73)
Current information can be called up from the IP 266 independently of modes 1
to 19 and 26. The IP 266 provides the so-called Information (or Monitoring)
modes for this purpose. These modes do not affect other modes, and can be
invoked at any time without regard to the status of the axis.
Once started, an Information mode is invoked cyclically, and remains in force un-
til another Information mode is started.
In contrast to modes 1 to 26, modes 71 to 73 do not return information to the
STEP 5 program.
Read actual position (mode 71)
Read actual position
Mode
Start
FunctionParameters
This mode is preset on IP 266 start-up, and displays the value which the IP 266
computed from the current encoder data and the machine data.
Read following error (mode 72)
Read following error
Mode
Start
FunctionParameters
This mode allows you to read the following error so that you will have this
information at your disposal should an abort due to a "Response from following
error monitor" be imminent. This, in turn, allows you to react to an increase in
the following error prior to the abort and take measures to rectify the problem.
5-66
EWA 4NEB 812 6057-02
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