LED Indicators

At a Glance

The SSI module BMX EAE 0300 is equipped with LEDs that display the module’s channels status and detected errors.

Display Panels

LED display:

The first row of LEDs indicates module information:

LED RUN: Indicates the module’s operational status
LED ERR: indicates an internal detected fault in the module or a detected fault between the module and the rest of the configuration
LED I/O: Indicates an external detected fault
LED DL: Indicates the Firmware download status

The second row of LEDs corresponds to SSI channels.

The LEDs are represented in the following way: (y = 0, 1 or 2 depending on the SSI channel)

When a voltage is present on an input or output, the corresponding LED is lit.

Diagnostics

The following table allows you to perform diagnostics of the module status according to the LEDs: RUN, ERR, I/O, DL and channels (LEDs S0 to I1):

Module status	LED indicators
Module status	RUN	ERR	I/O	DL	S0	S1	S2	Q0	Q1	Q2	I0	I1
The module is not receiving power or has inoperative
The module is inoperative				–	–	–	–	–	–	–	–	–
The module is not configured or is configuring its channels			–
Module has Lost communication with CPU			–		–	–	–	–	–	–	–	–
Field Power Supply inoperative
Downloading firmware					–	–	–	–	–	–	–	–
S0 has a detected line error						–	–	–	–	–	–	–
S1 has a detected line error					–		–	–	–	–	–	–
S2 has a detected line error					–	–		–	–	–	–	–
Qx has a short circuit					–	–	–				–	–
Channels are operational					–	–	–	–	–	–	–	–
"Absolute SSI Encoder" mode is selected and no error detected						–	–	–	–	–	–	–
					–		–	–	–	–	–	–
					–	–		–	–	–	–	–
Voltage is present on Q0					–	–	–		–	–	–	–
Voltage is present on Q1					–	–	–	–		–	–	–
Voltage is present on Q2					–	–	–	–	–		–	–
Voltage is present on I0					–	–	–	–	–	–		–
Voltage is present on I1					–	–	–	–	–	–	–
LED on LED off LED flashing slowly LED flashing fast – An empty cell indicates that the state of the LED(s) is not taken into account