Fig. 39 Leds Ep3356-0022 - Beckhoff EP3356-0022 Documentation

Meanings of the LEDs
Fig. 39: LEDs EP3356-0022
LED Color Meaning
RUN green This LED indicates the terminals/boxes operating state:
off
blinking
single flash
on
flickering
Measure green on
off
Steady state green on
off
Self Calibr. green on
Self Test green on
Error Dif red on
Error Ref red on
EP3356-0022
State of the EtherCAT State Machine [} 60]: INT = Initialization
of the terminal/box
State of the EtherCAT State Machine: PREOP = Setting for
mailbox communication and variant standard settings
State of the EtherCAT State Machine: SAFEOP = Channel
checking of the Sync Manager [} 60] and the Distributed
Clocks: Outputs stay in safe operation mode.
State of the EtherCAT State Machine: OP = Normal operation
mode, mailbox- and process data communication possible
State of the EtherCAT State Machine: BOOTSTRAP = mode for
firmware updates of the terminal/box
Measuring active (valid process data)
• Calibration active (if LED self calibration is lit) or
• Testing active (if LED self test is lit)
• filters are initialized
The measuring value is steady
The measuring value is not steady
• Calibration active
• Process data are not valid
• Self test active
• Process data are not valid
• Channel 1 (strain gauge differential signal) is out of valid
value range
• Internal reference voltage of channel 1 is not present
• Channel 2 (strain gauge differential signal) is out of valid
value range
• Internal reference voltage of channel 2 is not present
• Reference voltage too low (between -1 V and +1 V)
Version: 1.1.0
EP3356-0022 - Signal connection
47