Electrical Design
‑77‑
Table 3–31 Terminal functions of the PROFINET communication expansion card (SI‑PN)
Terminal Code Terminal Name
Description
Port1
Network port Port1
Connection terminals (Port1 for input
and Port2 for output)
After installation, Port1 is on the left
and Port2 is on the right when facing
to the RJ45 interface.
The Cat5e shielded twisted pair (STP)
network cable is recommended for
ensuring stability.
To improve the anti‑interference
capability of communication, it is
recommended to install it in the
expansion card slot 2.
Port2
Network port Port2
Table 3–32 Indicators of the PROFINET communication expansion card (SI‑PN)
Indicator
State Description
Solution
RUN/ERR Green indicator steady ON
Communication
normal
N/A
Red indicator steady ON
PROFINET expansion
card and node
communication
timeout
1. Restart the
PROFINET card.
2. Eliminate field
interference.
Red indicator blinking
quickly (500 ms)
PROFINET expansion
card internal
communication
timeout
Red indicator blinking
slowly (1s)
PROFINET expansion
card and power
supply unit timeout
PN RUN
Steady ON
PROFINET expansion
card communication
normal
N/A
PN ERR
Steady ON Communication with
the master station
interrupted
Check the wiring.
Blinking Blinking request
sent by master
station
N/A
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