Meanings And Definitions Of The Terms - Mitsubishi Electric QJ71PB93D User Manual

MEANINGS AND DEFINITIONS OF THE TERMS

Term
PROFIBUS-DPV0
PROFIBUS-DPV1
PROFIBUS-DPV2
Class 1 master station
Class 2 master station
Slave station
Repeater
Bus terminator
Configuration tool
GSD file
Station number
Slave parameter
I/O configuration information
(Data module)
Input data
Output data
Global control
Communication watchdog
timer
Extended diagnostic error
information
Bus cycle time
Module watchdog timer
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The terms used in this manual have the following meanings and definitions.
A basic version of PROFIBUS-DP.
The following functions are executable:
 I/O data exchange
 Diagnostic information notification
etc.
A PROFIBUS-DP version for which the following functions have been added to the
basic functionality of PROFIBUS-DPV0.
 Acyclic communication
 Alarm function
etc.
A PROFIBUS-DP version for which the following functions have been added to the
PROFIBUS-DPV1 functionality.
 Time stamping
etc.
A device exchanging I/O data with a slave stations. (QJ71PB92V, QJ71PB92D, etc.)
A device that communicates with slave stations and checks their station number
settings and/or operation states.
The Class 2 master station is used as a master station for supervising the network,
which can start, maintain, and diagnose the system.
A device that exchanges I/O data with a Class 1 master station. (QJ71PB93D,
ST1H-PB, etc.)
A device used to connect different segments of PROFIBUS-DP.
A terminating resistor that is connected to either end of each segment on
PROFIBUS-DP.
Software used to set slave parameters, etc. and to write them to a master station.
(GX Configurator-DP, etc.)
An electronic file that contains parameters of a slave station.
The GSD file is used to set up the slave parameters on configuration tool.
The numbers assigned to a master station and slave stations.
The station number is set within the range from 0 to 125.
The parameter for a slave station, which is set on the master station.
The setting items are described on the GSD File.
Information on I/O configuration of a slave station.
Data sent by the QJ71PB93D and received by the master station. (data input by the
master station.)
Data sent by the master station and received by the QJ71PB93D. (data output by the
master station.)
This function enables synchronization command transmission for I/O data from a
Class 1 master station to slave stations.
Watchdog timer set in the slave parameter of the master station.
Diagnostic information specific to each slave station.
Each of slave stations notifies of it to the master station when an error is detected.
PROFIBUS-DP processing time for the master station to perform cyclic transfer with
each slave station.
Watchdog timer in the QJ71PB93D.
Definition
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