24
Manual – MOVIDRIVE® MDX60B/61B Communication and Fieldbus Unit Profile
4
MOVILINK® protocol via RS485 transmission method
Serial Interfaces of MOVIDRIVE® B
Group addressing
(multicast)
Every inverter has a setable group address in addition to its individual address. In this
way, the user can group various participants and address the individual participants of
a group simultaneously using group addressing. With group addressing, the master
does not receive a response telegram. This means that no data can be requested from
the inverter. And there is no response when writing data. A maximum of 99 groups can
be set up.
Universal address-
ing for point-to-
point communica-
tion
Basically, every inverter can be addressed using universal address 254 independent of
the set single address. The advantage of this variant is that point-to-point connections
can be established without having to know the individual address. As each inverter of
the group is addressed using this universal address, it must not be used for multi-point
connections (e.g. RS485 bus). Else, data collisions would occur on the bus because
every inverter would send a response telegram once it receives a request telegram.
01489BEN
Master
Slave
Slave
Slave
Slave
Slave
Slave
ADR: 1
ADR: 2
ADR: 3
ADR: 4
ADR: 5
ADR: 6
Inveter
Inverter
Inverter
Inverter
Inverter
Inverter
Group
adr.: 101
Group
adr.: 101
Group
adr.: 101
Group
adr.: 101
Group
adr: 102
Group
adr.: 102
Request telegram to group adr. 102
Request telegram to group adr. 101
01490BEN
Master
Slave
ADR: 1
Inverter
Request telegram via universal adr. 254
Response telegram from slave
Summary of Contents for MOVIDRIVE MDX60B
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