Flintec II IPC - Manual (Page 28)

FlintWeigh II IPC Technical Manual, Rev. 1.06 November 2011 Page 28 of 36
8.7.2. Traffic Light Control
Fig.8.13 Example for the traffic light control
The implementation of a traffic light control requires following setup:
1. Define the function “Limit“ for digital output 1
2. Define the function “Traffic Light” for digital output 2
3. The setpoint values for both outputs have to be defined to the same value in such a way, that the
system can reliably detect an “Empty scale”
A functional setup switches the outputs as follows (vehicle scale example):
Action/Status
Output 1
(“Empty”)
Entry Exit
Output 2
(Weighing finalised)
Empty scale A1 = 1 Green Red A2 = 0
Vehicle is on the scale A1 = 0 Red Red A2 = 0
Weight recorded A1 = 0 Red Green A2 = 1
Empty scale A1 = 1 Green Red A2 = 0