DACS-W Operation Manual 11 OPTION
11-1
11 OPTION
11.1 DIRECT FEEDBACK CONTROL(PULSE SIGNAL)
11.1.1Overview
This chapter describes the function and operation of DACS-W Direct Feedback Control (pulse input)
which is used for interlock operation with certain types of auger fillers.
The displays and settings described here are available when the Feedback Control (System
Configuration Menu) is activated.
Figure 11-1 FEED BACK CONTROL OVERVIEW
As diagrammed above, the auger filler is controlled so that filler output achieves the Target Weight. The
sequence of control signals is as follows:
1. An Auger Ready signal is sent from the auger filler to the checkweigher.
2. An Auger Run signal is sent from the checkweigher to the auger filler to start filling.
3. A proportional Auger Pulse signal (auger rotation angle) is sent from the auger filler to the
checkweigher.
4. The checkweigher registers the number of pulses received, and when the predetermined count is
reached, it terminates the Auger Run signal to stop filling.
The DACS-W checks the weight of the filled packs and judges whether the quantity is excessive or
insufficient. Based on this, the prescribed pulse count is increased or decreased to regulate auger filler
output.
FILLER SYSTEM
AUGER FILLER
UNDER WEIGHT SIGNAL
PACKAGING
MACHINE
DACS-W
OVER WEIGHT SIGNAL
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