BECKHOFF EtherCAT Registers Section II - Manual (Page 28)

ESC DL Control (0x0100:0x0103)
II-16 Slave Controller – Register Description
3.17 ESC DL Control (0x0100:0x0103)
Table 20: Register ESC DL Control (0x0100:0x0103)
ESC20 ET1100 ET1200 IP Core
[1]
[23:19]
[23:20]
-0003
[23:20]
-0003
[24] config.
V2.4.0/
V2.04a
[23:20]
V2.4.3/
V2.04d
[19]
Bit Description ECAT PDI Reset Value
0 Forwarding rule:
0:
EtherCAT frames are processed,
Non-EtherCAT frames are forwarded
without processing
1: EtherCAT frames are processed, Non-
EtherCAT frames are destroyed
The source MAC address is changed for
every frame (SOURCE_MAC[1] is set to 1
–
locally administered address) regardless of
the forwarding rule.
r/w r/- 1
1 Temporary use of settings in Register 0x101:
0:
permanent use
1: use for about 1 second, then revert to
previous settings
r/w r/- 0
7:2 Reserved, write 0 r/- r/- 0
9:8 Loop Port 0:
00: Auto
01: Auto Close
10: Open
11: Closed
NOTE:
Loop open means sending/receiving over this port
is enabled, loop closed means sending/receiving
is disabled and frames are forwarded to the next
open port internally.
Auto: loop closed at link down, opened at link up
Auto Close: loop closed at link down, opened with
writing 01 again after link up (or receiving a valid
Ethernet frame at the closed port)
Open: loop open regardless of link state
Closed: loop closed regardless of link state
r/w* r/- 00
11:10 Loop Port 1:
00: Auto
01: Auto Close
10: Open
11: Closed r/w* r/- 00
13:12 Loop Port 2:
00: Auto
01: Auto Close
10: Open
11: Closed r/w* r/- 00