R=120Ω
R
485
NTI
Recommendations:
An LIYCY type shielded twisted pair must be used. In
an environment with interference or on a long network
with a large number of COUNTIS, we recommend
using a shielded twisted pair with general LIYCY-CY
shielding.
If the distance is greater than 1200 m and /or there
are more than 64 COUNTIS, a repeater (1 channel) or
a spark arrester (2 channels) must be connected to
enable the connection of additional COUNTIS with
communication interface over more than 1200 m.
For more information on the connection procedure,
refer to the technical bulletin available on the web
site: www.socomec.com
Important:
It is essential to connect a resistance of 120 Ohms
to the 2 ends of the connection; this can be found in
the product packaging. Other solutions are available
JBUS/MODBUS protocol
JBUS/MODBUS table
com
JBUS/MODBUS MEDIA
JBUS/MODBUS COMMUNICATION
14
COUNTIS E43 - Réf. 537 885 B
PRÉSENTATION
INTRODUCTION - DARSTELLUNG - PRESENTAZIONE - PRESENTATIE - PRESENTACIÓN - APRESENTAÇÃO
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