Operation Manual EMGZ490A
30.08.2019
5
1.2
List
of safety instructions
Proper function of the Tension Measuring Amplifier is only guaranteed with the
recommended application of the components. In case of other arrangement, heavy
malfunction can be the result. Therefore, the installation instructions on the following
pages must be followed strictly.
Local installation regulations are to preserve safety of electric equipment. They are not
taken into consideration by this operating manual. However, they have to be followed
strictly.
Bad earth connection may cause electric shock to persons, malfunction of the total
system or damage of the electronic unit! It is vital to ensure that proper earth
connection is done.
Improper handling of the electronic boards may cause damage to the fragile
equipment! Don’t use rough tools such as screwdrivers or pliers! Operators handling
the electronic boards must wear a well earthed bracelet in order to discharge static
electricity
.
In order to improve the natural convection and keep the temperature of the amplifiers
that are mounted in a cabinet, to a minimum, a distance of at least 15mm (0.6”)
between the devices must be kept.
During operation the use of not-PROFINET related services such as port scanning, web
services, load testing, and other services and protocols should be avoided. There is the
possibility of a system overload, if such a service is nonetheless used. The
consequence is a connection interruption between EMGZ490A and PLC. The
interruption usually lasts between 3-5 seconds. Afterwards, a new connection is
automatically established again.
The web interface may only be used in the test mode since data communication can
interfere with the PLC. Moreover, one link can be established via a web browser at the
same time.
