Rockwell Automation 1760-xxxx Pico Controller User Manual - Manual (Page 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 è M1… è M16, è N1… è N16
Jumps и :1… и :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