9 configured station address (0x0010:0x0011), 10 configured station alias (0x0012:0x0013), 11 write register enable (0x0020) – BECKHOFF EtherCAT Registers Section II User Manual
Page 25: 12 write register protection (0x0021), Configured station address (0x0010:0x0011), Configured station alias (0x0012:0x0013), Write register enable (0x0020), Write register protection (0x0021), Table 14: register write register enable (0x0020), Station address

Configured Station Address (0x0010:0x0011)
Slave Controller
– Register Description
II-13
3.9
Configured Station Address (0x0010:0x0011)
Table 12: Register Configured Station Address (0x0010:0x0011)
ESC20
ET1100
ET1200
IP Core
Bit
Description
ECAT
PDI
Reset Value
15:0
Address used for node addressing (FPxx
commands)
r/w
r/-
0
3.10 Configured Station Alias (0x0012:0x0013)
Table 13: Register Configured Station Alias (0x0012:0x0013)
ESC20
ET1100
ET1200
IP Core
Bit
Description
ECAT
PDI
Reset Value
15:0
Alias Address used for node addressing
(FPxx commands).
The use of this alias is activated by Register
DL Control Bit 24 (0x0100.24/0x0103.0)
NOTE: EEPROM value is only taken over at first
EEPROM load after power-on or reset.
ESC20 exception: EEPROM value is taken over
after each EEPROM reload command.
r/-
r/w
0 until first EEPROM
load, then EEPROM
ADR 0x0004
3.11 Write Register Enable (0x0020)
Table 14: Register Write Register Enable (0x0020)
ESC20
ET1100
ET1200
IP Core
read
read:
V2.4.0/
V2.04a
Bit
Description
ECAT
PDI
Reset Value
0
If write register protection is enabled, this
register has to be written in the same
Ethernet frame (value does not care) before
other writes to this station are allowed. Write
protection is still active after this frame (if
Write Register Protection register is not
changed).
r/w
r/-
0
7:1
Reserved, write 0
r/-
r/-
0
3.12 Write Register Protection (0x0021)
Table 15: Register Write Register Protection (0x0021)
ESC20
ET1100
ET1200
IP Core
Bit
Description
ECAT
PDI
Reset Value
0
Write register protection:
0:
Protection disabled
1:
Protection enabled
Registers 0x0000-0x0137, 0x013A-0x0F0F are
write protected, except for 0x0030.
r/w
r/-
0
7:1
Reserved, write 0
r/-
r/-
0