RS 485 Repeater
Manual, 02/2011, A5E03382072-01
3
Table of contents
1 Preface ...................................................................................................................................................... 5
2 I
ntroduction................................................................................................................................................ 7
3 Des
cription................................................................................................................................................. 9
3.1 Area of appli
cation and properties .................................................................................................9
3.2 Design of the RS 485 repeater
....................................................................................................11
4 I
nstallation ............................................................................................................................................... 13
4.1 Installing and uninstalli
ng the RS 485 repeater ...........................................................................13
5 Conne
cting .............................................................................................................................................. 17
5.1 RS 485 Repeater in ungrounded and gr
ounded operation..........................................................17
5.2 Connec
ting the power supply.......................................................................................................20
5.3 Connec
ting the bus cable ............................................................................................................21
5.4 Configuration options
with the RS 485 repeater..........................................................................22
6 Techni
cal data ......................................................................................................................................... 25
6.1 General technic
al data .................................................................................................................25
6.1.1 Standards
and approvals.............................................................................................................25
6.1.2 Electrom
agnetic Compatibility......................................................................................................30
6.1.3 Shipping a
nd storage conditions for modules and backup batteries ...........................................32
6.1.4 Mech
anical and ambient climatic conditions for S7-300 operation..............................................33
6.1.5 Specification
of dielectric tests, protection class, degree of protection, and rated voltage
of S7-300......................................................................................................................................35
6.2
Technical dat
a the RS 485 Repeater...........................................................................................36
7 Dimen
sion drawings ................................................................................................................................ 39
7.1 Dimens
ion drawings.....................................................................................................................39
G
lossary .................................................................................................................................................. 41
I
ndex........................................................................................................................................................ 45
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