73
Traffic-Control
EN
The remaining ports will allow you to realize a flip-flop: E1 switches on out-
put A1 for a maximum of 40 seconds, if that output is not switched off ear-
lier through a signal at E2.
Possible use
Flip-flop
Sensor at
input
E1 (switches on)
E2 (switches off)
activates
K
at output
A1
for the
period of
max. 40 s
Possible use
Level crossing
Sensor at
input
E3
(Train’s contact
Beginning)
E4
(Train’s
contact
End)
E5
E6
E7
E8
activates
HST BL
1
BL
2
ST 2
ST 3
ST 4
ST 5
at output
A3
A2
A4
A5
A6
A7
A8
for the
period of
Poti 1
Poti 2
Table 20: Program 15
X
Set the DIP as required, see Fig. 20.
X
Connect the components, see Table 20.
X
If necessary, set the desired period using the potentiometers.
ADVICE:
Please also take into consideration the schematic illustration
»Unprotected level crossing« in the appendix to the present instruction
manual.