MERLIN GERIN
E-51029066XT/AB
BY MGE UPS SYSTEMS
"JBUS"
communication
system
installation and user
manual
SA1
SA2
JMP1
JMP2
J4 J3
RS232RS485
Dear Sir or Madam,
Thank you for having chosen JBUS communication system and welcome to the ever growing family of satisfied MGE UPS
SYSTEMS product users throughout the world.
We hope that this manual will provide you with all the information you require to install and use your JBUS communication
system.
Please contact us for any other details you may require.
MGE UPS SYSTEMS
taking delivery
checking
The option you have just acquired
consists of the following items:
c an installation and operating manual
for the JBUS communication system;
c an JBUS RS485 / RS232 connecting
board;
c two screws for fixing the JBUS
communication board on the UPS.
0 Installation and operation of the JBUS communication system: E-51029066XT/AB MGE UPS SYSTEMS
storage
If you stored the device before using it,
leave your communication board in its
original packing in a dry place:
c storage temperature: - 40°C to
+70°C.
packing
You should comply with applicable
legal measures for the disposal of
packing material.
MGE UPS SYSTEMS JBUS : 51029066XT/AB
i
ENGLISH
safety guidelines
If you encounter a problem while
following the instructions in this manual,
we recommend that you contact our
after-sales support service. On request,
our after-sales support personnel can
carry out the complete installation of
your equipment.
It is imperative that the instructions
in this manual be followed strictly.
For more information on the UPS,
please refer to its "installation and user
manual".
The JBUS option may be installed and
operated by any person as long as the
indications presented in this manual are
complied with.
Not adhering to these instructions
may endanger personnel, result in
damage to the UPS and render the
manufacturer’s warranty void.
All repair or maintanance operations
must be carried out by our after-
sales support personnel.
FRANÇAIS
consignes de sécurité
Si vous rencontrez un problème
en suivant les procédures décrites dans
ce manuel, nous vous recommandons
de consulter notre service après-vente.
Si vous le souhaitez, ce service pourra
se charger de l’installation de votre
matériel.
Il est impératif de suivre
rigoureusement les procédures
décrites dans ce manuel.
Pour plus de détails concernant l'ASI,
se référer au "manuel d’installation et
d’utilisation" fourni avec l’appareil.
L'installation et l'exploitation du
système de communication JBUS peut
être réalisée par toute personne se
conformant aux indications portées
dans le présent manuel.
Le non respect de ces procédures
peut entraîner des dangers pour les
personnes, occasionner des
dommages sur l'ASI et annuler la
garantie constructeur.
Toute opération de dépannage ou de
maintenance doit être effectuée par
nos services.
MGE UPS SYSTEMS
Installation and operation of the JBUS communication system: E-51029066XT/AB
1
contents
description of the JBUS board
general overview ......................................................................................................................... 3
function ....................................................................................................................................... 3
configuring the JBUS board
position of microswitches in "factory reset" configuration mode ................................................. 4
position of microswitches in "customer reset" configuration mode ............................................. 4
configuration of RS232 link direction .......................................................................................... 4
adaptation/polarisation of RS485 link ......................................................................................... 4
installation / startup ......................................................................................................... 5
setting the JBUS board
operating mode ........................................................................................................................... 6
factory reset ................................................................................................................................ 6
customer reset ............................................................................................................................ 6
RS485 interface diagram................................................................................................ 7
connection
polarity ........................................................................................................................................ 9
termination .................................................................................................................................. 9
RS485 interface .......................................................................................................................... 9
polarisation and/or adaptation ..................................................................................................... 9
RS232 interface ........................................................................................................................ 11
JBUS protocol
introduction ............................................................................................................................... 12
principle ..................................................................................................................................... 13
synchronizing data exchanges .................................................................................................. 13
description of request and response frames ............................................................................. 13
checking received messages on the slave side ........................................................................ 14
functions .................................................................................................................................... 15
2 Installation and operation of the JBUS communication system: E-51029066XT/AB
MGE UPS SYSTEMS
contents (continued)
UPS application
operating modes ....................................................................................................................... 26
main status bits (UPS operating information) ........................................................................... 26
available information
table of states accessible by JBUS read .................................................................................. 28
table of measurements accessible by JBUS reads .................................................................. 30
information description label ..................................................................................................... 32
All MGE UPS SYSTEMS products are protected by patents. They implement original technology which is not
available to other competitors of MGE UPS SYSTEMS.
To take evolving standards and technology into account, the technical characteristics contained in this
document are not binding unless confirmed by MGE UPS SYSTEMS.
Reproduction of this document is authorised with the consent of MGE UPS SYSTEMS.
The statement "MGE UPS SYSTEMS JBUS communication system installation and operating manual no
51029066XT" is compulsory.
