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Control

Remote monitoring and diagnostic tools

SREA-01 enables remote access

With drives increasingly being installed in remote locations,

operational data needs to be acquired from the process for

sending to a central location for process monitoring and

further analysis. Furthermore, with no qualied service

people on site it is vital to be able to monitor the drive

remotely.

ABB’s SREA-01 Ethernet adapter performs all these remote

access tasks. Designed as an optional remote interface

module for the drives, the SREA-01 can send process data,

data logs and event messages independently, without a PLC

or a dedicated on-site computer, and has an internal web

server for conguration and drive access.

Connect a maximum of 10 drives to an

Ethernet or GPRS network

In addition to a standard Ethernet port, the SREA-01 is

equipped with an additional serial port for connecting to

a standard GSM/GPRS modem for Internet connectivity

in isolated places. The modem connection can be used for

sending e-mail or SMS messages, uploading data les by FTP

or accessing the Web pages of the module.

The SREA-01 is connected to the panel port, or alternatively

to the Modbus interface, of a drive. A maximum of 10 drives

can be connected to a single SREA-01 module, although

an additional RS-485 converter is needed for each drive if

several drives are connected by their panel port interfaces.

Collect data logs and integrate drive data

in SCADA applications

For collecting data from the drive for further analysis, the

SREA-01 has a fully congurable data logger that can store

values from the drives to a le, with sample intervals from

ten seconds to one hour. The les are stored in the standard

Comma Separated Values (CSV) format that can be imported

to applications such as Microsoft Excel for processing.

The collected data logs can be sent by e-mail or FTP, either

on a local area network or the Internet. The sending interval

can also be congured by the user, with logs being sent, for

example, every hour or once a week.

In addition to providing data logging functionality, the

SREA-01 also has an internal Modbus TCP gateway,

providing a standard interface that can be used by SCADA

(Supervisory Control And Data Acquisition) applications to

display drive information in real-time.

Receive alarms and access the drive

remotely

The SREA-01 unit can be used to monitor the drive for

abnormal situations, such as too high process temperatures,

and send alarm messages to maintenance personnel. The

event and alarm messages can be sent as SMS messages

or by e-mail. The event conditions and messages can be

congured by the user to make them suitable for a number

of applications.

If emergency situations or faults occur, the internal web

server of the SREA-01 provides an easy-to-use user interface

for accessing the drives. Travel to sites can often be avoided

by using a regular web browser to view and change the drive

parameters, monitor the status of all connected drives and

browse the fault history of the installation.

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