Lenze 9400 Uživatelský manuál stáhnout pdf (Strana 304)

9 "CAN on board" system bus

9.5 Communication phases/network management

304

Lenze · Servo-Inverter 9400 HighLine · Reference manual · DMS 10.0 EN · 11/2013 · TD05/06

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

9.5.2 Network management telegram (NMT)

The telegram for the network management contains identifier "0" and the command included in

the user data which consists of the command byte and the node address:

[9-5] Network management telegram for changing over the communication phases

The communication phases are changed over by a node, the CAN master, for the entire network. The

CAN master can also be a controller. Parameterising the controller as CAN master

( 305)

Example:

Data can only be exchanged via process data objects if the status is "Operational".If the CAN master

is supposed to switch all nodes connected to the bus from the "Pre-Operational" communication

status to the "Operational" communication status, the identifier and user data in the transmission

telegram must be set as follows:

• Identifier: 0x00 (network management)

• User data: 0x0100 ("Start remote node" NMT command to all nodes)

%LW %LW %LW %LW %LW %LW %LW %LW %LW

,GHQWLILHU 8VHUGDWD%\WH

&2%,' 

FRPPDQG

VSHFLILHU

FV

QRGH

DGGUHVV

QRGH,'

Command specifier (cs) NMT command

dec hex

1 0x01 Start remote node

20x02Stop remote node

128 0x80 Enter Pre-Operational

129 0x81 Reset node

130 0x82 Reset communication

1 2 ... 299 300 301 302 303 304 305 306 307 308 309 ... 953 954

Komentáře k této Příručce

Žádné komentáře