BECKHOFF EtherCAT Registers Section II - Manual (Page 81)

Distributed Clocks (0x0900:0x09FF)
Slave Controller – Register Description II-69
Table 112: Register Activation Status (0x0984)
ESC20 ET1100 ET1200 IP Core
[4:3] [4:3] [4:3] V2.2.0/
V2.02a
[4:3]
Bit Description ECAT PDI Reset Value
0 SYNC0 activation state:
0:
First SYNC0 pulse is not pending
1: First SYNC0 pulse is pending
r/- r/- 0
1 SYNC1 activation state:
0:
First SYNC1 pulse is not pending
1: First SYNC1 pulse is pending
r/- r/- 0
2 Start Time Cyclic Operation (0x0990:0x0997)
plausibility check result when Sync Out Unit
was activated:
0:
Start Time was within near future
1: Start Time was out of near future
(0x0981.6)
r/- r/- 0
7:3 Reserved r/- r/- 0
Table 113: Register SYNC0 Status (0x098E)
ESC20 ET1100 ET1200 IP Core
(w ack) (w ack) (w ack)
Bit Description ECAT PDI Reset Value
0 SYNC0 state for Acknowledge mode.
SYNC0 in Acknowledge mode is cleared by
reading this register from PDI, use only in
Acknowledge mode r/- r/
(w ack)* 0
7:1 Reserved r/- r/
(w ack)* 0
* PDI register function acknowledge by Write command is disabled: Reading this register from PDI clears AL
Event Request 0x0220[2]. Writing to this register from PDI is not possible.
PDI register function acknowledge by Write command is enabled: Writing this register from PDI clears AL Event
Request 0x0220[2]. Writing to this register from PDI is possible; write value is ignored (write 0).
Table 114: Register SYNC1 Status (0x098F)
ESC20 ET1100 ET1200 IP Core
(w ack) (w ack) (w ack)
Bit Description ECAT PDI Reset Value
0 SYNC1 state for Acknowledge mode.
SYNC1 in Acknowledge mode is cleared by
reading this register from PDI, use only in
Acknowledge mode r/- r/
(w ack)* 0
7:1 Reserved r/- r/
(w ack)* 0
* PDI register function acknowledge by Write command is disabled: Reading this register from PDI clears AL
Event Request 0x0220[3]. Writing to this register from PDI is not possible.
PDI register function acknowledge by Write command is enabled: Writing this register from PDI clears AL Event
Request 0x0220[3]. Writing to this register from PDI is possible; write value is ignored (write 0).