ETAS
Hardware Description
ETK-S20.1
-
User Guide
21
4.7
Status LEDs
There are three LEDs displaying the operating status of the ETK-S20.1 (Fig.
21).
Fig.
4
-
6
Status LEDs (ETK-S20.1)
LED
State
Definition
Red
On
ETK-S20.1 is supplied with power and active (i.e. the ECU
is switched on or the ETAS calibration and development
system is connected and ready to communicate with the
ETK-S20.1)
Green
Off
Working Page contains data and is accessible from INCA
Flashing ETK-S20.1 is in boot configuration mode:
- measurement and calibration are not possible,
- after first initialization with INCA flashing stops
On
Power supply has dropped under selected threshold:
- data retention of the calibration data manager in the ECU
is no longer ensured
- as soon as the ETK-S20.1 switches on again, the ECU
switches to the Reference Page.
Green LED stays lit until the calibration and development
system downloads data into the calibration data memory.
Otherwise switching to the Working Page is not possible.
Yellow Off
ETK-S20.1: no link to calibration system established
On
100
Mbit/s communication to calibration system estab
-
lished
LED green
LED red
LED yellow