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PMD 180 Message Display
User’s Manual
UTICOR Technology, LP
Glossary
Offline Programming
Message programs are developed with UTICOR software and stored to
disk. The message file can then be up loaded to the PMD display. The
computer does not need to be connected to the PMD to program
messages.
Online Programming
The PMD master display is programmed directly from the computer.
The PMD must be connected to the programming computer.
PCI
Programmable Communications Interface; allows two-way communication between operator and machine. Through a series of function keys
and LEDs, an operator can determine and respond to operation status
PMD
Stands for Programmable Message Display and is Copyrighted by
UTICOR Technology, Inc.
Parallel Port
16-input port through which message numbers and data information
from a controller or other device is entered into the PMD when in the
Display mode
Parameter
A constant or element, the value of which characterizes the behavior of
one or more variables associated with a given system
Parity
A method of testing the accuracy of binary numbers used in recorded,
transmitted, or received data: for even parity, the sum of the ones is an
even number; for odd parity, the sum of the ones is an odd number
Parity bit
An additional bit added to a binary word to make the sum of the number of “1s” always even or odd
Peripheral Equipment
In a data processing system, any unit of equipment, distinct from the
central processing unit, which may provide the system with outside
communication
Printer Port
The place of access on a PMD that allows for communication between
the message display and specified printer
Protocol
A formal set of rules governing the format and timing of data between
two communicating devices. Some PMD products can use either
UTICOR protocol or ASCII protocol.
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