Jetter JX3-BN-EC User Manual page 27

Jetter AG
7.1.1.2
System overview
JX3-BN-EC User Manual
Expansion modules connected to an EtherCAT® bus node
®
EtherCAT bus node and controller communicate via EtherCAT
addressing the expansion modules via EtherCAT
Node Number (ENN) becomes part of the register number. The ENN is an ID
number used to identify controllers and EtherCAT
®
EtherCAT network. The ENN is automatically assigned by JetSym.
EtherCAT
Fig. 12: System overview
®
EtherCAT master
1
Up to 99 EtherCAT
3
1
®
2
...
EtherCAT
2
16 JX3 I/O modules
®
bus nodes
Programming | 7
®
system bus. At
®
bus node, the EtherCAT
®
bus nodes within an
3
®
bus node with up to
®
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