RUN, Channel 1 ... Channel 4

RUN, Channel 1 ... Channel 4 1:
EPP3504-0023 RUN/ Channel LEDs

LED

Color

Meaning

RUN

green

off

State of the EtherCAT State Machine: INIT = initialization of the terminal

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 = check the channels of the Sync Manager and the Distributed Clocks (if supported)

on

State of the EtherCAT State Machine: OP = normal operating state; mailbox and process data communication is possible

flickering

State of the EtherCAT State Machine: BOOTSTRAP = function for firmware updates of the terminal

LED

Color

Meaning

Channel
(1…4)

green

No error

red

Error display, along with error bit in the status, for

  • Measuring range error (not for underrange/overrange!)
  • Set measuring type is not calibrated (see CoE object 0x80nF PAI Vendor Calibration Data)
  • Processor overload (see CoE object 0xF900 PAI Info Data)
  • ADC in "saturation"
  • Analog circuit "in overload", over voltage detected at inputs; see section “Startup - what is the action for...” and notes in section “Common technical data”.
  • Oversampling Error in Synchron Mode

flashing

Active self‑test of terminal;
see chapter “Features”/ “Self-test and self-test report”

off

No operation