Status LEDs

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Bus Probes feature two status LEDs — greed and red. LED patterns of Bus Probes conform to Tibbo's standard LED patterns used on our programmable devices.

 

Here is the list of LED patterns supported by BP sensors:

 

During the device boot, after the Monitor/Loader (M/L) verifies the integrity of the application firmware:

Pattern

Description

Meaning

pat_cserr

Green and red LEDs blinking in turns at high speed

Application firmware is not loaded or corrupted

 

When the M/L is in the firmware update mode:

Pattern

Description

Meaning

pat_ready

Green LED is permanently on

The M/L is ready to receive a file

pat_receiving

Green LED is flickering unevenly

The M/L is receiving a file

pat_ok

Green LED blinking at slow speed

XModem file upload completed successfully

pat_commerr

"One long + one short" red LED pattern

Communications error during the XModem file upload

pat_toolarge

"One long + two short" red LED pattern

The file is too large

pat_flfail

"One long + three short" red LED pattern

FLASH memory failure

pat_invfile

"One long + four short" red LED pattern

The file is invalid (that is, contains invalid data)

 

When the application firmware is executing:

Pattern

Description

Meaning

pat_modbus_cmd

Green LED blinks once

Bus Probe sensor has received a Modbus request with correct checksum

pat_modbus_cmd_inv

Red LED blinks once

Bus Probe sensor has received a Modbus request with incorrect checksum

 

When the M/L updater firmware is executing:

Pattern

Description

Meaning

pat_preparing_to_update

Red LED is permanently on

The Probe is preparing to update the M/L. Do not turn off the power.

pat_updating_ml

Green LED is flickering unevenly, red LED permanently on

The Probe is updating the M/L. Do not turn off the power.

pat_update_completed

"Two short" green LED pattern

The M/L has been updated. You can now safely turn off or power-cycle the Probe.