User manual

Working with contacts and relays
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Input and output contacts
First specify which input and output terminals you wish to use
in your circuit.
Depending on the type and configuration, EZ has 8, 12 or 24
input terminals and 4, 6, 8, 10 or 16 outputs. The signal states
on the input terminals are detected in the circuit diagram with
the input contacts I1 to I12. R1 to R12 are the input contacts
of the expansion. In the circuit diagram the outputs are
controlled via the corresponding output relay coils Q1 to Q8 or
S1 to S8 (expansion).
Entering and changing contacts and relay coils
A switch contact is selected in EZ via the contact name and
contact number.
A relay coil is defined by its coil function, name and number.
EZ terminal
Connect make contact S1 to input
terminal I2
Connect make contact S2 to EZ input
terminal I3
Connect load H1 to EZ output Q4
S1 or S2 switches on H1.
EZ circuit diagram
H1
S1
K1
K1
S2
I2u------ÄQ4
I3k
I2
Contact name
Contact number
ÄQ4
Coil function
Relay name
Relay number
EZ500_700.book Page 81 Tuesday, May 3, 2005 5:15 PM
Conventional circuit EZ circuit diagram