Electrical Design
‑76‑
Indicator
State Description
Solution
EC LA
Yellow
indicator OFF
No connection with the
previous EtherCAT device
N/A
Yellow
indicator
steady ON
Connected with the
previous EtherCAT device
N/A
Green
indicator OFF
No data exchange with
the network interface
N/A
Green
indicator
blinking
Data exchange with the
network interface
N/A
Function Description of the PROFINET Communication Expansion Card (SI-PN)
Figure 3‑12 Terminal arrangement of the PROFINET communication expansion card (SI‑PN)
The PROFINET communication expansion card (SI‑PN) is connected to the PROFINET
master station using the standard Ethernet RJ45 socket. Its pin signal definitions are
the same as those of the standard Ethernet pins. They can be connected using
crossover cables or straight‑through cables.
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