G3
Series
PROFIBUS
‐
DP
Technical
Manual
Page
69
TDG3PTTM1-2EN
02/09
Subject to change without notice
www.numatics.com/g3
Glossary of Terms
The following is a list and description of common terms and symbols used throughout this document:
Term
Description
Auto-Baud
A technology that enables the communication node to automatically set its own baud rate to match the DeviceNet 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
DeviceNet message group applicable to Numatics’ Serial/Bus products.
MCM
Manual Configuration Module. A module that allows MAC ID to be set manually via DIP switches. Not required if software
configuration is used.
NEMA
National Electrical Manufacturers Association.
Sinking (NPN)
Method of connecting electrical circuits in which the zero (0) volt DC side is switched and the common is positive
SCP
Short Circuit Protection
Sourcing (PNP)
Method of connecting electrical circuits in which the positive side is switched and the common is zero (0) volts DC.
Word
2 Bytes (16 bits)
Z-Board
TM
Circuit board installed in the valve sub-base which electrically connects the valve solenoid to the electrical /electronics
interface. Available in single or double solenoid versions.