Diagnosis
Top view TC Modul
LED | Color | Meaning | |
|---|---|---|---|
PWR | green | off | 24 VDC supply voltage is not present |
on | 24 VDC supply voltage is present | ||
TRUN | green | off | Thermocouple inputs are not ready for operation |
on | Error-free operation condition of the thermocouple inputs | ||
TERR | rot | off | Error-free operation condition of the thermocouple inputs |
flashing | displays an error code | ||
RUN | green | This LED indicates the state of the EtherCAT State Machine state: | |
off | INIT = Initialization of the terminal | ||
even flashing | PREOP = Setting for mailbox communication and variant standard settings | ||
single flash | SAFEOP = Channel checking of the Sync Manager and the Distributed Clocks. Outputs stay in safe operation mode. | ||
on | OP = Normal operation mode, mailbox- and process data communication possible | ||
fast flashing | BOOTSTRAP = Function for firmware updates of the terminal | ||
L/A IN | green | Link/Activity LED EtherCAT input | |
off | no connection with the fieldbus | ||
on | Connection with fieldbus established | ||
flashing | Data exchange via the fieldbus | ||
L/A OUT | green | Link/Activity LED EtherCAT output | |
off | no connection with the following fieldbus client | ||
on | connection with the following fieldbus client established | ||
flashing | Data exchange with the following fieldbus client | ||
LED error codes
Blinking codes
Blinking code | Meaning |
|---|---|
fast flashing | Start of the error code |
1. slow sequence | Error code |
2. slow sequence | Error code argument |
Blinking code of the "TERR"-LED
Error codes of thermocouple inputs
Error code | Error code argument | Comment |
|---|---|---|
1 pulse | 0 | EEPROM checksum error |
1 pulse | 1 | Overflow inline code buffer |
1 pulse | 2 | Unknown data type |
2 pulses | - | Programmed configuration |
3 pulses | Faulty channel number. The first faulty channel is indicated | Backvoltage |
4 pulses | Faulty channel number. The first faulty channel is indicated | Open circuit |