LEDs and connection
The CU2508 has four diagnosis LEDs.
LEDs
LED | Color | Meaning | |
|---|---|---|---|
RUN | green | This LED indicates the operating state of the CU2508 running as an EtherCAT device | |
off | State of the EtherCAT State Machine: INIT = initialization of the terminal or BOOTSTRAP | ||
flashing | State of the EtherCAT State Machine: PREOP = function for mailbox communication and different standard-settings set | ||
single flash | State of the EtherCAT State Machine: SAFEOP = verification of the sync manager channels and the distributed clocks. | ||
on | State of the EtherCAT State Machine: OP = normal operating state; mailbox and process data communication is possible | ||
Int Act | green | flashes when data traffic occurs | |
Power | green | on, when the device is powered correctly | |
Error | yellow | an error has occurred | |
X1 - X8 | green | Link/Activity | |
yellow | internal buffer overflow, alignment error detected | ||
Pin assignment
Terminal point | Comment |
|---|---|
X0 | 24 VDC power supply: +, GND and shield connection (functional earth) |
X1..X8 | DownLink Port FastEthernet 10/100 Mbit |
X9 | UpLink Port Gbit Ethernet |
Shielding concept
The PE/shield connection is connected to the metal housing. It should be used as functional earth to protect from interference.
