Rockwell-automation 1760-xxxx Pico Controller User Manual Manual de usuario descargar pdf (Pagina 76)

Publication 1760-UM001D-EN-P - September 2005

4-16 Draw a Circuit Diagram with Pico

Relays with Output Energize Negate Function

Relays with Falling Edge Function

Physical outputs should not be used when a cycle pulse is generated.

Instruction Type Representation in Pico

Output Relay Q }Q1…}Q6 (depending on type)

Marker Relay M }M1…}M16, }N1…}N16

Text Display Relay D }D1…}D16 (1760-L18xxx)

Expansion or Marker Relay }S1…}S8 (1760-L18xxx)

Jumps }:1…}:8 (1760-L18xxx)

Instruction Type Representation in Pico

Marker Relay M, N

èM1…èM16, èN1…èN16

Jumps

è:1…è:8 (1760-L18xxx)

The output signal is the opposite of the input signal;

the relay operates like a contactor with contacts

that have been negated. If the coil is energized

when ON, the coil switches its make contacts to the

OFF state.

on

on

Signal Diagram:

Input

Output

This function is used if the coil is only meant to

switch on a falling edge. With a change in the coil

state from closed to open, the coil switches the

make contacts to the closed state for one cycle.

on

on

Signal Diagram:

Input

Output

1 2 ... 71 72 73 74 75 76 77 78 79 80 81 ... 217 218

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