ES58 • EM58 MODBUS®
ACTIVITY
LED
STATUS/ERROR
LED
Description
Blinking
RED
at 5 Hz with
duty cycle =
50%
Blinking
RED
at 5 Hz with
duty cycle =
50%
While downloading data to the flash memory
for upgrading the firmware of the unit (see
the “5.4 Update FW page - Firmware
upgrade” section on page 45), if an error
occurs which stops the upgrading process
(for instance: a voltage drop and/or the
switching off of the unit), as soon as the
power is turned on again both LEDs start
blinking red at 5 Hz with duty cycle = 50% as
the user program is not installed in the flash
memory (it has been deleted previously). For
any information on restoring the unit please
refer to the “5.4 Update FW page - Firmware
ON
RED
ON
RED
While downloading data to the flash memory
for upgrading the firmware of the unit (see
the “5.4 Update FW page - Firmware
upgrade” section on page 45), if data
transmission is cut off (for instance, because
of the disconnection of the serial cable), after
5 seconds both LEDs come on solidly red. For
any information on restoring the unit please
refer to the “5.4 Update FW page - Firmware
OFF
ON
GREEN
The firmware upgrade operation has been
carried out successfully, the encoder is
operating properly and no error is active. For
any information please refer to the “5.4
Update FW page - Firmware upgrade” section
on page 45.
During initialisation, system checks the diagnostic LEDs for proper operation;
therefore they blink for a while.
MAN ESx58x_EMx58x MB E 1.3
Electrical connections
24 of 92
