User manual

Publication 1760-UM001D-EN-P - September 2005
Draw a Circuit Diagram with Pico 4-5
Relays
Pico has nine different types of relay for use in a circuit diagram.
Operating Hours Counter O O O1 to O4 O1 to O4
Year Time Switch Y Y
Y1 to Y8 Y1 to Y8
Master Reset Z Z
Z1 to Z3 Z1 to Z3
(1) Not available on “-NC” models.
(2) This applies only to the 1760-LxxBWB-xx and 1760-L12DWD.
(3) This applies only to 1760-L18xxx-EX models. R15 and R16 are used for expansion overload detection for the
transistor expansion module, 1760-IB12XOB8, as described on page 9-4.
Contact Type Make
Contact
Break
Contact
1760-L12xxx 1760-L18xxx
1760-L20xxx
Relay type Pico Symbol 1760-L12xxx 1760-L18xxx
1760-L20xxx
Coil
Function
Parameter
Controller Outputs Q Q1 to Q8 Q1 to Q8 X –
Internal Marker Bits M M1 to M16 M1 to M16 X –
Internal Marker Bits N N1 to N16 N1 to N16 X –
Counters C C1 to C16 C1 to C16 X X
Timers T T1 to T16 T1 to T16 X X
Real Time Clock
(1)
–X
Operating Hours Counters O O1 to O4 O1 to O4 X X
Analog Setpoint Compare
(2)
A A1 to A16 A1 to A16 – X
Text Display D D1 to D16 D1 to D16 X X
Jump to Label : :1 to :8 :1 to :8 X –
Expansion Outputs or Internal Marker
Bits
S S1 to S8 (as marker) S1 to S8 X –
Year Time Switch Y Y1 to Y8 Y1 to Y8 – X
Master Reset Z Z1 to Z3 Z1 to Z3 X –
(1) Not available on “-NC” models.
(2) This applies only to the 1760-LxxBWB-xx and 1760-L12DWD.
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