Watson-Marlow MC100 - Manual (Page 37)

Users Manual
MC100
MC100 Users Manual Profibus DP - rev 4 Rev. 4 Page 37 of 40
11 Appendix 1
Operating modes for MC100
(1)
Individual
Individual filling means that each Pump has its own operating parameters and that fills, calibration and
pumping will not be synchronized with any other connected Pump. In theory, this means that the MC12
can control up to 16 Pumps concurrently.
Calibration is carried out by first selecting the pump number via MC100 control bits as in Individual
Mode and then sending the calibration value through the use of DW10 and DW20-21.
The parameters are sent to the individual Pump number after setting the pump number by the MC100
control bits.
(2)
Parallel
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 Pumps and the
number of bottles changed at each cycle should be identical.
If more Pumps are connected to the MC100, they can, if they are of the same type, work synchronously
with the same set of parameters. In parallel mode, only parameters in Pump 0 will be used i.e. all
Pumps use same volume, tube size, speed, etc.
Calibration must be carried out for the individual Pumps, by first selecting the pump number via MC100
control bits as in Individual Mode and then sending the calibration value through the use of DW20-21
(3)
Serial
Serial filling is used to boost the overall capacity in a semi or fully automated system by using each
Pump to fill part of the total volume.
Similar to parallel filling, Pump 0 is used for setting parameters for all connected pumps, with the
exception of Function 2 for tube diameter.
For setting tube diameter, select the Pump number by the MC100 control bits as in Individual Mode
and then send the tube number using DW10 and DW14. In this way, the last Pump may for instance fill
a smaller part of the total volume than the other Pumps in the system. This is done by applying a
smaller tube in the last Pump.
When all Pumps have been programmed, the MC100 will automatically calculate which part of the total
volume the individual Pumps should fill, so that they are completed simultaneously. This gives the best
capacity.
Calibration is also carried out in Pump 0, as the system perceives the whole system as one single
Pump. I.e. selecting pump number 0 via MC100 control bits as in Individual Mode and then sending the
calibration value through the use of DW10 and DW20-21 (see example in section.