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15.4
Glossary of Terms
The following is a list and description of common terms and symbols used throughout this document:
Term
A technology that enables the communication node to automatically set its own baud rate to match the
Auto-Baud
scanners' baud rate.
Bit
Smallest unit of digital information either a "0" or "1".
Bit mapping
Chart showing which bit is connected to which physical input or output point.
Byte
8 bits (1/2 word).
Discrete I / O
The Inputs / Outputs that are available via the "Discrete I/O" side of manifold.
Ground
This term is used to indicate an earth ground.
Group 2
Profibus message group applicable to Aventics' Serial/Bus products.
Manual Configuration Module. A module that allows MAC ID to be set manually via DIP switches. Not
MCM
required if software configuration is used.
NEMA
National Electrical Manufacturers Association.
Method of connecting electrical circuits in which the zero (0) volt DC side is switched and the common is
Sinking (NPN)
positive
SCP
Short Circuit Protection
Method of connecting electrical circuits in which the positive side is switched and the common is zero (0)
Sourcing (PNP)
volts DC.
Word
2 Bytes (16 bits)
Circuit board installed in the valve sub-base which electrically connects the valve solenoid to the electrical
Z-Board
TM
/electronics interface. Available in single or double solenoid versions.
G3 Series PROFIBUS-DP
TDG3PTTM1-11EN
Subject to change without notice
www.asco.com
Technical Manual
TM
Description
07/2020
15-155
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