Rockwell-automation 1760-xxxx Pico GFX-70 Controllers User Manual Manuel d'utilisateur Page 128

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Publication 1760-UM002B-EN-P - March 2005
4-18 Wiring with Pico GFX-70
Working with Contacts and
Relays
In Pico GFX-70 circuit diagrams, the switches, buttons and relays of
conventional circuit diagrams are connected up using input contacts and relay
coils.
Pico GFX-70 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 Contacts and Relay Function Coils
Contacts
An input contact is selected in the Pico GFX-70 via the contact name and
contact number.
Example: input contact
Conventional circuit Pico GFX-70 circuit diagram
Pico GFX-70 connection
Connect make contact S1 to input terminal I1
Connect make 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--
|
---------------------[ Q 01
I 02--
|
I 0
Contact name
Contact number
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