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9.  Appendix  ECAT[i] Structure Elements 
 
The Controller uses motion controller technology developed by Delta Tau Data Systems, Inc., 
(hereafter referred to as DT) in the U.S., however, the ECAT[i] structure elements differ from those of 
DT controllers. The following table shows the major changes that have been made from DT 
controllers. 
 
Enabling the EtherCAT 
network 
0: Disable, 1: Enable (2 and 3 are not 
supported.) 
Elements of low priority 
I/O module 
Error code of enabling 
EtherCAT network 
$ 9811000C: Invalid network 
configuration 
$ 9811002E: Disconnected network 
connection 
ECAT[i].LinkUp 
ECAT[i].LPDomainOutputState 
ECAT[i].LPDomainState 
ECAT[i].LPRxTime 
ECAT[i].LPTxTime 
ECAT[i].MasterStat 
ECAT[i].RTDomainOutputState 
ECAT[i].RTDomainState 
Status data structure 
elements