Siemens SIMATIC S5 Manual page 120

When "teach-in" is switched on
the machine data record must be valid,
the reference point must exist,
there must be sufficient space in the program memory of the IP247,
a machining program number must be specified which has not yet been used on the
no other axis of the IP247 must be in the "teach- in" mode and
machining program input must not be active on the data channel.
Note
If the power supply to the positioning module is switched off during "teach-in" and if
statements have already been recorded, this machining program is lost. The "teach-
in" mode is no longer active. If the limit of maximum 6000 machining program char-
acters is exceeded in "teach-in", the mode is automatically terminated, the last
stored statement is taken as the final statement.
The following command sequence is for example possible: (in the example, the incremental
speed in the machine data is 2500 mm/min)
BA 10 (teach-in on), program 7, start
"Teach-in" is switched on and machining program 7 is set up.
% 7
BA 1 (JOG speed 1), forward
The axis moves forward at JOG speed 1.
BA 1 (JOG speed 1), stop
The axis stops (e.g. at 1258.250 mm). After the "finished" message, the enter command can be
used to enter the machining program statement. (=> Section 2.7 "Axis Attributes").
The axis is now stopped. With the enter command, the first statement NO1 X1258.25 F2500 of ma-
chining program 7 is generated.
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