Digitronic
Digital Cam Switch Unit
Automationsanlagen GmbH
CamCon DC50/51
7.4.6.7. Setting the external program selection
With the CamCon you have the possibility to externally select the desired program number through the
inputs. Here you enter the number of programs that can be selected externally, and this simultaneously
predefines how many inputs will be used for this purpose. Then the input for the take over impulse is
stated. The program number is created as a binary number at the inputs after the take over impulse.
The bit with the lowest value is the input after the take over impulse, all others then follow it in an
increasing order. Because of this the inputs for program selection are completely relocatable.. With an
impulse (+24V) the program is selected at the input of the take over impulse. This impulse has to be
created at least 20 ms after the program number and has to be at least 20 ms long.
7.4.6.8. Setting the program selection mode
You can change programs in several ways. Here you have the possibility to determine the desired way
to change the programs with keys
and
. You can select between:
"
slow
"
Here the selected program is built up cam after cam. This type of program changing
requires the least memory, but a complete change of programs during a full run can
lead to complication with the machine. In this case the security output of the CamCon
is switched off for a short time.
"
direct
"
Here the selected program is built up cam after cam in an intermediate memory and
changes the full program at once. This type of program changing requires the double
amount of memory for the cam build up, but the outputs are always defined in every
cycle. The security output of the CamCon will not be switched off in this case.
"
on position
"
The program is built up in the same way as in the "direct" type, but here the CamCon
waits with the program change until the machine has passed a certain position and
then makes a complete program change. This type of program changing also requires
the double amount of memory for the cam build up, but the outputs are always defined
in every cycle. The security output of the CamCon will not be switched off in this case.
,Version from: Aug. 04
Page: 64
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E-mail:[email protected]
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