ETAS ES581.4 - Communication States of CAN Interfaces (LED CAN); Firmware Update

ES581.4 - User’s Guide18
Hardware Description ETAS
2.7.4 Communication States of CAN Interfaces (LED "CAN")
The LED CAN is used to indicate the following CAN communication states:
2.8 Firmware Update
The firmware of the ES581.4 can be updated by the user so that future versions
of the module can also be used. The firmware update is done with the help of
the service software "Hardware Service Pack" (HSP) from the connected PC.
Meaning LED CAN State Description
CAN communi-
cation
Off Off No communication on
CAN interfaces
Flashing yellow Normal operat-
ing mode
Communication either
on CAN1 or CAN2 or on
both
Note
During a firmware update, the USB connection to the PC must not be discon-
nected!

While HSP is using the device, other clients cannot have access to the same
device.