BECKHOFF EtherCAT Registers Section II - Manual (Page 68)

SyncManager (0x0800:0x087F)
II-56 Slave Controller – Register Description
3.48 SyncManager (0x0800:0x087F)
SyncManager registers are mapped from 0x0800:0x0807 to 0x0818:0x087F. y specifies SyncManager
(y=0 to 15).
Table 88: SyncManager Register overview
Register Address Offset Length
(Byte)
Description
+0x0:0x1 2 Physical Start Address
+0x2:0x3 2 Length
+0x4 1 Control Register
+0x5 1 Status Register
+0x6 1 Activate
+0x7 1 PDI Control
Table 89: Register physical Start Address SyncManager y (0x0800+y*8:0x0801+y*8)
ESC20 ET1100 ET1200 IP Core
Bit Description ECAT PDI Reset Value
15:0 Specifies first byte that will be handled by
SyncManager r/(w) r/- 0
NOTE r/(w): Register can only be written if SyncManager is disabled (+0x6.0 = 0).
Table 90: Register Length SyncManager y (0x0802+y*8:0x0803+y*8)
ESC20 ET1100 ET1200 IP Core
Bit Description ECAT PDI Reset Value
15:0 Number of bytes assigned to SyncManager
(shall be greater 1, otherwise SyncManager
is not activated. If set to 1, only Watchdog
Trigger is generated if configured) r/(w) r/- 0
NOTE r/(w): Register can only be written if SyncManager is disabled (+0x6.0 = 0).