Diagnostic LEDs
Ethernet interface X001
Interface X001 | Ethernet (CX8090, CX8091) | Meaning |
---|---|---|
LED green | on | Link present |
LED yellow | flashing | Activity |
Ethernet interface X101 and X102
Interface X101-102 | Ethernet (CX8090, CX8091) | Meaning |
---|---|---|
LED green | flashing | Activity |
LED yellow | is not used | - |
LED coupler
Labelling | Meaning | Colour | Meaning |
---|---|---|---|
TC | Displays the TwinCAT mode | red | TwinCAT in Stop |
green | TwinCAT in Running Mode | ||
Blue | TwinCAT in Config Mode | ||
WD* | no function | - | - |
ERR* | Error or Boot Diagnosis LED | red when switching on | Software is being loaded |
off | Everything OK |
* The WD and ERR LED can be set and used by function block.
LED power supply terminal
Operation with K-bus terminals Operation with E-bus terminals
Display LED | Description | Meaning |
---|---|---|
1 Us 24 V (top left, 1st row) | CX80xx supply voltage | connected to -24 V |
2 Up 24 V (top right, 1st row) | Power contacts supply voltage | connected to -24 V |
3 L/A (left centre, 2nd row) | EtherCAT LED | flashing green: EtherCAT communication active |
4 K-BUS RUN (right centre, 2nd row) | K-bus LED RUN | Lights up green: K-bus running, everything OK |
6 K-BUS ERR (bottom right, 3rd row) | K-bus LED ERR | Lights up red: K-bus error - see K-bus error code |
K-bus error code
Error code | Error code argument | Description | Remedy |
---|---|---|---|
Persistent, continuous flashing |
| EMC problems |
|
3 pulses | 0 | K-Bus command error | - No Bus Terminal inserted |
4 pulses | 0 | K-Bus data error, break behind the Bus Coupler | Check whether the n+1 Bus Terminal is correctly connected; replace if necessary. |
n | Break behind Bus Terminal n | Check whether the Bus End Terminal 9010 is connected. | |
5 pulses | n | K-Bus error in register communication with Bus Terminal n | Exchange the nth bus terminal |
6 pulses | 0 | Error at initialization | Exchange Bus Coupler |
1 | Internal data error | Perform a hardware reset on the Bus Coupler (switch off and on again) | |
8 | Internal data error | Perform a hardware reset on the Bus Coupler (switch off and on again) | |
7 pulses | 0 | Process data length is not correct | Check the configuration and the K-Bus terminals |
1..n | K-Bus Reset error | Check the K-Bus terminals |