Glossary
316 372 SPU 780 01EMAN May 2002
2) The order in which elements are solved in a network.
Page Title A line of text which describes a page or group of pages in a ladder logic listing.
Printed at the top of the page.
Path The part of a file specification that indicates the drive and subdirectory the file is in.
PC Personal Computer
Peer-to-Peer One of four major architectures for input/output systems (also see Distributed I/O,
Local I/O, and Remote I/O). A protocol for networked devices in which any device
can initiate data transfer.
Power Flow In logic, an instruction is highlighted if it solves true and passes power. All
instructions "upstream" of it (to its left in the Traffic Cop display) must also be
passing power.
Preset The maximum value a timer or counter can have.
Processor A Programmable Logic Controller.
Program For PLCs, a set of ladder logic instructions contained in a set of ProWORX 32 files
(a Project).
Programmable
Logic Controller
(PLC)
An industrial control computer, also known simply as a controller.
Project A group of files sharing a common name (but different file extensions) where the
ladder logic program and descriptor data for a controller is stored.
ProWORX 32
Function A ProWORX 32 command or operation.
P