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1 Introduction
1.1 Device documentation
Data sheet T 702030 (as a PDF document)
The data sheet contains general information about the device and forms the basis for planning
and purchase decision.
Brief instructions B 702030.7 (printed in DIN A6 format)
These brief instructions contain the most important information about installation, the electrical
connection as well as operation, parameterization and configuration of the device. The brief ins-
tructions are supplied with every device. For further information, please refer to the operating ma-
nual B 702030.0 available as a PDF document.
Operating manual B 702030.0 (as a PDF document)
This operating manual contains all information about installation, the electrical connection as well
as operation, parameterization and configuration of the device.
Interface description B 702030.2.0 (as a PDF document)
It contains information about the RS485 interface, the Modbus protocol and the communication
with other devices.
All PDF documents can be downloaded under www.jumo.net.
1.2 Safety information
This manual contains information that must be observed in the interest of your own safety and to
avoid damage to assets. This information is supported by symbols which are used in this manual
as follows.
Please read this manual before starting up the device. Keep the manual in a place accessible to
all users at all times.
All necessary settings are described in this manual. Manipulations not described in this manual
or expressly forbidden will jeopardize your warranty rights.
Warning signs
DANGER!
This symbol indicates that Injury or death caused by electrical shock can occur, if the
respective protective measures have not been taken.
CAUTION!
This symbol in combination with the signal word indicates that damage to assets or data
loss will occur if suitable precautions are not taken.
READ DOCUMENTATION!
This symbol – placed on the device – indicates that the associated device docu-
mentation has to be observed. This is necessary to recognize the kind of the
potential hazards as well as to take the measures to avoid them.
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