TECHTOP TD350 - Page 314

TD350 Series VFD Extension cards
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Definition of the state indicator
The PROFINET communication card has 9 indicators, of which LED1 is the power indicator, LEDs 2–
5 are the communication state indicators of the communication card, and LEDs 6–9 are the state
indicators of the network port.
LED
Color
State
Description
LED1
Green
3.3V power indicator
LED2
(Bus state
indicator)
Red
On
No network connection
Blinking
The connection to the PROFINET controller
through a network cable is OK, but the
communication is not established.
Off
Communication with the PROFINET
controller has been established
LED3
(System fault
indicator)
Green
On
PROFINET diagnosis is enabled
Off
PROFINET diagnosis is not enabled
LED4
(Slave ready
indicator)
Green
On
TPS-1 protocol stack has started
Blinking
TPS-1 waits for MCU initialization
Off
TPS-1 protocol stack does not start
LED5
(Maintenance
state indicator)
Green
Manufacturer-specific––depending on the
characteristics of the device
LED6/7
(Network port
state indicator)
Green
On
PROFINET communication card and
PC/PLC have been connected through a
network cable.
Off
PROFINET communication card and
PC/PLC have not been connected.
LED8/9
(Network port
communication
indicator)
Green
On
PROFINET communication card and
PC/PLC are communicating.
Off
PROFINET communication card and
PC/PLC are not communicating.
Electrical connection:
The PROFINET communication card adopts a standard RJ45 interface and can adopt the linear
network topology or star network topology. The electrical connection in linear network topology mode
is shown in the following.