EL9540-0010 - LEDs, connection and process data
LED  | Color  | Meaning  | |
|---|---|---|---|
Power Up  | green  | off  | No voltage  | 
on  | OK  | ||
Diag Up  | red  | off  | No error  | 
on  | Undervoltage: Up below 18 V  | ||
RUN  | green  | This LED indicates the terminal's operating state:  | |
off  | State of the EtherCAT State Machine: INIT = initialization of the terminal  | ||
Flashing  | State of the EtherCAT State Machine: PREOP = function for mailbox communication and different default settings set  | ||
Flashing  | State of the EtherCAT State Machine: SAFEOP = verification of the Sync Manager channels and the distributed clocks.  | ||
on  | State of the EtherCAT State Machine: OP = normal operating state; mailbox and process data communication is possible  | ||
Flashing  | State of the EtherCAT State Machine: BOOTSTRAP = function for Firmware updates of the terminal, for example  | ||
Terminal point  | Description  | |
|---|---|---|
Description  | No.  | |
n.c.  | 1  | not connected  | 
Input +24 V  | 2  | +24 V input  | 
Input 0 V  | 3  | 0 V input  | 
n.c  | 4  | not connected  | 
n.c.  | 5  | not connected  | 
+24 V Up Output  | 6  | +24 V output  | 
0 V Up Output  | 7  | 0 V output  | 
n.c  | 8  | not connected  | 
Process data EL9540-0010
The EL9540-0010 has a bit width of 2 bits [diagnostic bits for undervoltage and overvoltage] in the process image and is represented in the TwinCAT tree as follows:
Fig.45: EL9540-0010 in the TwinCAT tree