BECKHOFF EtherCAT Registers Section II - Manual (Page 35)

RUN LED Override (0x0138)
Slave Controller – Register Description II-23
3.23 RUN LED Override (0x0138)
Table 27: Register RUN LED Override (0x0138)
ESC20 ET1100 ET1200 IP Core
V2.3.0/
V2.03a
Bit Description ECAT PDI Reset Value
3:0 LED code: (FSM State
0x0: Off (1-Init)
0x1-0xC: Flash 1x – 12x (4-SafeOp 1x)
0xD: Blinking (2-PreOp)
0xE: Flickering (3-Bootrap)
0xF: On (8-Op)
r/w r/w 0
4 Enable Override:
0:
Override disabled
1: Override enabled
r/w r/w 0
7:5 Reserved, write 0 r/w r/w 0
NOTE: Changes to AL Status register (0x0130) with valid values will disable RUN LED Override (0x0138[4]=0).
The value read in this register always reflects current LED output.
3.24 ERR LED Override (0x0139)
Table 28: Register ERR LED Override (0x0139)
ESC20 ET1100 ET1200 IP Core
V2.3.0/
V2.03a
Bit Description ECAT PDI Reset Value
3:0 LED code:
0x0:
Off
0x1-0xC: Flash 1x – 12x
0xD: Blinking
0xE: Flickering
0xF: On
r/w r/w 0
4 Enable Override:
0:
Override disabled
1: Override enabled
r/w r/w 0
7:5 Reserved, write 0 r/w r/w 0
NOTE: New error conditions will disable ERR LED Override (0x0139[4]=0). The value read in this register always
reflects current LED output.