Variable name
Meaning
Ring Disconnection
Global/local
Global
Function
TRUE when all slaves in the ring topology except for disabled slaves are connected and if there is only one point
of disconnection in the communications cables in the ring topology.
Data type
BOOL
Range of values
TRUE or FALSE
R/W access
R
Retained
Not retained.
Network Publish
Published.
Usage in user pro-
gram
Possible.
Related in-
structions
---
*1.
This system-defined variable was added for unit version 1.40 of the CPU Unit.
Variable name
Meaning
Slave Node Address Before Ring Disconnection
Global/local
Global
Function
When the
_EC_RingBreaking
(Ring Disconnection) system-defined variable is TRUE, the slave node address be-
fore point of disconnection is stored.
When the
_EC_RingBreaking
(Ring Disconnection) system-defined variable is FALSE, “0” is stored.
Data type
UINT
Range of values
0 to maximum number of node ad-
dresses
R/W access
R
Retained
Not retained.
Network Publish
Published.
Usage in user pro-
gram
Possible.
Related in-
structions
---
*1.
This system-defined variable was added for unit version 1.40 of the CPU Unit.
Functional Classification: EtherCAT Communications Diagnosis/Statistics
Log
Variable name
Meaning
Diagnosis/Statistics Log Enable
Global/local
Global
Function
Changes to TRUE when the diagnosis/statistics log is started.
Changes to FALSE when the diagnosis/statistics log is ended.
Data type
BOOL
Range of values
TRUE or FALSE
R/W access
RW
Retained
Not retained.
Network Publish
Published.
Usage in user pro-
gram
Possible.
Related in-
structions
---
*1.
This system-defined variable was added for unit version 1.11 of the CPU Unit.
Variable name
_EC_StatisticsLogCycleSec
Meaning
Diagnosis/Statistics Log Cycle
Global/local
Global
Function
Specifies the interval to write the diagnostic and statistical information of the diagnosis/statistics log in units of
seconds.
When 0 is specified, the diagnostic and statistical information is written only once when the diagnosis/statistics log
is ended.
Note
The write interval does not change even if you change the value of this system-defined variable
while the diagnosis/statistics log operation is in progress.
Data type
UINT
Range of values
0, or 30 to 1800
R/W access
RW
Retained
Not retained.
Network Publish
Published.
Usage in user pro-
gram
Possible.
Related in-
structions
---
*1.
This system-defined variable was added for unit version 1.11 of the CPU Unit.
7 System-defined Variables Related to the Built-in EtherCAT Port
7-18
NJ/NX-series CPU Unit Built-in EtherCAT Port User's Manual (W505)
Summary of Contents for NJ101-10 Series
Page 10: ...Manual Structure 8 NJ NX series CPU Unit Built in EtherCAT Port User s Manual W505...
Page 80: ...3 EtherCAT Communications 3 12 NJ NX series CPU Unit Built in EtherCAT Port User s Manual W505...
Page 236: ...9 Troubleshooting 9 38 NJ NX series CPU Unit Built in EtherCAT Port User s Manual W505...
Page 274: ...Appendices A 38 NJ NX series CPU Unit Built in EtherCAT Port User s Manual W505...
Page 275: ...I Index I 1 NJ NX series CPU Unit Built in EtherCAT Port User s Manual W505 I...
Page 279: ......