User manual
Publication 1760-UM001A-EN-P
Drawing a Circuit Diagram with Pico 4-3
Contacts
Contacts are used to modify the flow of current in the circuit diagram. Make
contacts carry are on when closed and off when open. Contacts in the circuit
diagram are either make or break contacts.
Pico works with different contacts, which can be used in any order in the contact
fields of the circuit diagram.
Contact Pico Representation
Make contact; Open when off I, Q, M, A, C, T, P, D, S, :, R
Break contact; Closed when off I
, Q, M, A, C, T, P, D, S, R
Contact Type Make
Contact
Break
Contact
1760-L12xxx 1760-L18AWA
Inputs I I
I1 to I8 I1 to I12
Soft Inputs - Keypad P P
P1 to P4 P1 to P4
Outputs Q Q
Q1 to Q4 Q1 to Q6
Internal Marker bits M M
M1 to M16 M1 to M16
Counters C C
C1 to C8 C1 to C8
Timers T T
T1 to T8 T1 to T8
Real Time Clock
Analog Setpoint Compare A A
A1 to A8
(1)
(1) This applies only to the 1760-L12BWB and 1760-L12BWB-NC.
–
Text Display
(2)
(2) This applies only to the 1760-L18AWA.
DD–D1 to D8
Jump to Label
(2)
:–– :1 to :8
Internal Marker Bits
(2)
SS–S1 to S8
Reserve
(2)
RR –R1 to R16
1 to 4
1 to 4