MGE UPS Systems SineWave JBUS Manuel D'installation Et D'utilisation page 31

contents
connection to the communication system
overview .................................................................................................................. 2
function .................................................................................................................... 2
RS485 interface diagram
........................................................................ 3
configuration of the RS485 link
RS485 link interface ................................................................................................ 4
polarisation .............................................................................................................. 4
matching .................................................................................................................. 4
polarisation and/or matching via the external connector ......................................... 5
polarisation and/or matching via the MERY board .................................................. 6
choosing the connecting cable ................................................................................ 8
JBUS protocol
description ............................................................................................................... 9
principle ................................................................................................................... 9
synchronizing data exchanges ................................................................................ 9
presentation of the question and answer frames .................................................... 10
checking received messages on the slave side ...................................................... 10
functions .................................................................................................................. 11
CRC 16 algorithm ................................................................................................... 13
configuration of the JBUS communication parameters
user interface .......................................................................................................... 17
SineWave™ application
block diagram (single-wire) ..................................................................................... 18
network measurements ........................................................................................... 18
load measurement .................................................................................................. 19
neutral measurement .............................................................................................. 19
parameter setting .................................................................................................... 19
operating indicator .................................................................................................. 20
statuses preventing restarting ................................................................................. 20
All SineWave™ products are protected by patents. They implement original MGE UPS SYSTEMS
technology not available to other manufacturers.
Due to evolving standards and technology, products may be modified without notice. Indications
concerning technical characteristics and dimensions are not binding unless confirmed by MGE UPS
SYSTEMS.
This document may be copied only with the prior written consent of MGE UPS SYSTEMS. Authorized
copies must be marked: "MGE UPS SYSTEMS SineWave™ JBUS Installation and User Manual
n° 51027160XT".
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SineWave™ JBUS communication system installation: E-51027160XT/AC
MGE UPS SYSTEMS