April 8, 2011 HN FAQ Memo, Version 2.0 Page 58 of 108
3.3 HN and Delaval C200 parlour cleaning.
This Chapter describes how the Herd Navigator and the Delaval C200 is working together
during the cleaning of parlour systems.
The parameters in the Delaval C200 and the Herd Navigator that have influence on the cleaning
process is described.
3.3.1 Abbreviations
HN: Herd Navigator
SMP: Sampling Valve
TOP: Top Valve
TRF: Transfer Valve
SPD: Speed Control Valve
DMP: Dump Valve
3.3.2 Herd Navigator and C200 installation in the parlour.
Figure 1 illustrates how the HN, the DeLaval C200, and the parlour is connected during the
cleaning process. The sampler is cleaned by a flow of cleaning water through the Top valve and
the Sampling valve. The sampler is emptied through the Transfer valve and the Dump valve.
The Speed control valve is cleaned with cleaning water directly from the CIP line. The transfer
tube between the sampler and the Sample Intake, is cleaned with water and air from the Transfer
valve, and the Speed control valve. The Multivalve in the sample intake is cleaned with cleaning
water from the transfer tubes, and the clean valve.
The C200 send messages to the HN on the ALCOM bus when the cleaning is started and
finished, and each time the C200 Air valve is closed or opened
Figur 1. C200 and HN installation
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