EP OS MOTOR MANAGEMENT SY STEM – INSTRUCTION MANUAL
4.33
CHAPTER 4: COMMUNICATION
4.2 Profibus
4.2.1 Definitions
To better understand this chapter some key definitions are described below:
Profibus DP (Process Field Bus)
An open standard base
d
on EN 50170 for field bus communication with
DP communication proto
FR
l. DP variant (decentralized periphery) is the
high-speed communication. Profibus DP allows cyclic data transfer
only between the automation device (master) and the peripheral
devices in a network. The cyclic data transfer involves parameters,
metering, and diagnostic, analog, and alarm data. See Table 4-12 for a
complete list of cyclic telegrams.
Profibus DPV1
An extension of the DP protocol, which in addition to the cyclic
communication, provides acyclic communication for parameterization,
alarm, diagnostic, analog, RTC control, and control of the slaves.
A Profibus DP slave
Any peripheral device, such as EntelliPro ES DP, which processes
information and sends its output to the Profibus class 1 and/or class 2
master. It must comply with EN 50 170 standard, Volume 2, Profibus.
Class 1 master
The main controller for the high-speed data exchange with its Profibus
slave devices that is usually a programmable
logic
controller (PLC) or a PC
running Profibus base logic.
Class 2 master
An optional Profibus master that is mainly used to set-up and monitor
parameters during system commissioning. GE provides WinESG with
full parameterization and diagnos tic capability, as a class 2 master.
Please refer to Chapter 5 for WinESG set-up.
GSD
A device data (GSD), which is provided by GE on its website, that
has the operational characteristic of the EntelliPro ES DP. It provides
the system with an easier means to change communication
options, diagnostic, metering among other parameters.
Содержание EntelliPro ES Series
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