1   Reset button

H1   State A LED indicator for axis A

H2   State B LED indicator for axis B (only for double drives)

H3   S3 P1 LED indicator for the status of port 1 of the Sercos III communication

H4   S3 LED indicator for the Sercos III communication

H5   S3 P2 LED indicator for the status of port 2 of the Sercos III communication

Off

Device is not energized or is otherwise inoperable.

oVerify the power supply.

oReplace device.

Flashing green (4 Hz, 125 ms)

Initialization of the device (firmware boot process, compatibility verification of the hardware, updating the firmware)

oWaiting until initialization is complete.

Flashing slowly green (2 Hz, 250 ms)

Identification of the device

oIf necessary, identify the device via EcoStruxure Machine Expert as defined by the controller configuration.

Steady green

Device has been initialized and waits for the configuration.

oConfigure device as active.

oConfigure device as inactive.

oConfigure device for the execution of motions.

Steady red

A non-recoverable error has been detected requiring user intervention:

oWatchdog

oFirmware

oChecksum

oInternal error detected

oPower off / on (power reset)

oIf this condition persists, replace the device.

Flashing slowly red (2 Hz, 250 ms)

A general error has been detected.

oThe configuration shows the detected error

oReset error detected in the EcoStruxure Machine Expert Logic Builder menu Online > Reset diagnostic messages of controller.

oOtherwise restart device.

Off

No cable connected

Steady orange

Cable connected, no Sercos communication

Steady green

Cable connected, active Sercos communication

Off

The device is not energized or is otherwise inoperable, or there is no communication due to an interrupted or separated connection.

Sercos boot-up or hot swap

Steady green

Active Sercos connection without an error detected in the CP4.

–

Flashing green (4 Hz, 125 ms)

The device is in loopback mode.

Loopback describes the situation in which the Sercos telegrams have to be sent back on the same port on which they were received.

Possible causes:

oLine topology or

oSercos loop break

Workaround:

oClose ring.

Reset condition:

oAcknowledge the detected error in the EcoStruxure Machine Expert Logic Builder menu Online > Reset diagnostic messages of controller.

oSwitch from CP0 to CP1 alternatively.

NOTE: If during phase CP1 a line topology or ring break was detected (device in loopback mode), the LED indicator condition does not change.

Steady red

Sercos diagnostic class 1 (DC1) error has been detected on port 1 and/or port 2.

Reset condition:

oAcknowledge the detected error in the EcoStruxure Machine Expert Logic Builder menu Online > Reset diagnostic messages of controller.

Flashing red / green (4 Hz, 125 ms)

Communication error has been detected.

Possible causes:

oImproper functioning of the telegram

oCRC error detected

Reset condition:

oThe configuration shows which error has been detected.

oAcknowledge the detected error in the EcoStruxure Machine Expert Logic Builder menu Online > Reset diagnostic messages of controller.

Steady orange

The device is in a communications phase CP0 up to and including CP3 or HP0 up to and including HP2. Sercos telegrams are received.

–

Flashing orange (4 Hz, 125 ms)

Device identification

NOTE: The identified device is also displayed by the axis state LED indicator on the drive.