SMAX MODBUS®
GREEN
LED
Description
ON (Solid
GREEN
)
The encoder is operating properly, there are
no active errors.
Blinking at high frequency (100
ms ON / 100 ms OFF)
Machine data parameters error. To see in
detail which parameter is wrong please
enter the
Blinking slowly (500 ms ON / 500
ms OFF)
Flash memory error, it cannot be restored
(bad checksum error, etc.).
Blinking very slowly (1 s ON / 1 s
OFF)
An error has occurred in the Hall sensors
while reading the magnetic scale, the read
value does not exist.
Single flash (200 ms ON / 1 s
OFF)
The encoder is installed too far from the
magnetic scale, the installation does not
comply with the mounting tolerances
between the sensor and the scale (see Figure
2) Refer to the “Mechanical installation”
section on page 15.
Double flash (200 ms ON/OFF
twice / 1 s OFF)
Several errors are active at the same time. To
know in detail which alarm has been
triggered, see the
While performing the firmware upgrade operation (bootloading, refer to the “5.4
Update FW page - Firmware upgrade” section on page 39), the green LED
operates in a specific way, as explained in the following table.
GREEN
LED
Description
Blinking at 2 Hz with duty cycle
= 50%
The operator has pressed the
BOOT STATE
button in the Firmware Upgrade page, the
encoder is waiting for the firmware upgrade
operation to start. For any information
please refer to the “5.4 Update FW page -
Firmware upgrade” section on page 39.
Blinking at 5 Hz with duty cycle
= 50%
The operator has pressed the
DOWNLOAD
button in the Firmware Upgrade page, the
MAN SMAX MB E 1.2
Electrical connections
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