Operators and Reference Manual
MC12 OM RM EN 74-111-132 v1.03.doc Ver. 1.03 Page 24 of 47
6.7.29. Function 35 - Free memory capacity
This function shows how many used and free programs are left in the memory.
When pressing <3>+<5>+<ENT> the system will show how many programs are saved as
well as the free memory capacity, e.g.: “FREE: 98 USED: 2”
FREE indicates the number of programs (complete sets of operating parameters) which can
still be saved.
USED indicates the number of programs (complete sets of operating parameters) saved.
6.7.30. Function 40 - Operating principle (Mode)
Value: An integral number.
If more than one pump is connected, MC12 can operate according to three different
principles:
1 – individual (I)
2 – parallel (P)
3 – serial (S)
The mode will always be shown by the letter I, P or S in the top right hand corner of the
display, in front of the current drive number. I1, for example, means that the mode is
individual and the current drive address is 1.
1 - Individual (I)
Individual filling means that each drive has its own operating parameters and that fills,
calibration and pumping will not be synchronised with any other connected drives. In theory,
this means that the MC12 can control up to 16 drives concurrently.
The parameters are programmed under the individual drive addresses which are selected via
Function 41. In practice, however, it is difficult to run several individual applications
simultaneously, as the drive has to be selected first via Function 41 for starting, stopping and
calibrating.
2 - Parallel (P)
Parallel filling is used in a multi-head filling system in which a number of bottles are changed
in each cycle and filled at the same time. This gives a very high capacity. The number of
drives and the number of bottles changed at each cycle should be identical.
If more drives are connected to the MC12, they can, if they are of the same type, work
synchronously with the same set of parameters. In parallel mode, only parameters in drive 0
will be used i.e. all drives use same volume, tube size, acc, etc. All drives are started
simultaneously regardless of where they are started from. These parameters then apply for
all drives.
Calibration must be carried out for the individual drives, see the chapter on calibration for
further details.
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