KRYPTON®
TECHNICAL REFERENCE MANUAL
8.2. LEDs blinking codes
Each Krypton slice has 3 green LEDs: L - D - L . The LED blinking codes adhere to the EtherCAT
specification.
● L means Link : i.e. the In- (left L-LED) or Out-connector (right L-LED) is linked to another Krypton
slice or to the measurement PC,
● D is for Data : it is active only when the Data transfer is active this requires that power is
connected AND the slice is linked to another slice or a PC Note: older versions may have the label
P (for Protocol) instead of D.
8.2.1. INIT state
When you power the Krypton slice and there is no EtherCAT master connected (i.e. DeweSoft is not
running or the slice is not connected to the PC), then the slice will be in the INIT state. In this state, the D
LED will be OFF. The L LED will be ON when you connect another Krypton slice.
INIT state
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