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Working with contacts
and relays
131
1SVC 440 795 M1100
Working with contacts
and relays
In display system circuit diagrams, the switches, buttons and
relays of conventional circuit diagrams are connected up
using input contacts and relay coils.
Display system circuit diagram:
First specify which input and output terminals you wish to
use in your circuit.
The signal states on the input terminals are detected in the
circuit diagram with the input contacts I, R* or RN. The
outputs are switched in the circuit diagram with the output
relays Q, S or SN.
Entering and changing contact and relay function
block coil
Contacts
An input contact is selected in the display system via the
contact name and contact number.
Example: Input contact
Conventional circuit
Wired with the display system
Display system connection
Connect N/O contact S1 to input
terminal I1
Connect N/O contact S2 to input
terminal I2
Connect load H1 to output Q1
S1 or S2 switch on H1.
H1
S1
K1
K1
S2
I 01--u---------------------Ä Q 01
I 02--k
I 02
Contact name
Contact number
Summary of Contents for CL Series
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