3-29
3 Data Exchange with the CPU Unit
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
3-2 Device Variables for CJ-series Unit (Software
Switches, Statuses)
3
3-2-5 Unit Status 1
Name of device variable for
CJ-series Unit
Type R/W Area Function
*_SendTimeoutErr BOOL R Send Time-
out Error
<Operation specifications>
TRUE:
Indicates that a send timeout occurred
due to one of the following factors:
• No slaves present.
• Mismatched baud rate settings.
Note Remote I/O communications stop if
DIP switch pin 3 (remote I/O com-
munications stop/continue with a
communications error) on the front
panel is ON (stop).
FALSE:
Returns to FALSE at the start of communi-
cations even with just one slave.
Default: FALSE
*_RTblErr BOOL R Routing
Table Error
<Operation specifications>
TRUE:
Incorrect data in the routing tables set in
the CPU Unit.
FALSE:
Indicates that the error did not occur. This
error will not occur if a routing table is not
set.
Default: FALSE
*_MsgListErr BOOL R Invalid Mes-
sage Timer
List Error
<Operation specifications>
TRUE:
Indicates that the data in the message
monitoring timer list is not correct.
FALSE:
Indicates that the data in the message
monitoring timer list is correct.
Changes to FALSE if CX-Integrator regis-
ters a message monitoring timer list when
the error occurs.
Default: FALSE
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