5-5
5. Operation and
Adjustment
TNU
3.
Communication parameters
No.
Parameter details
Detailed description
1
Comment
Enter a comment to distinguish multiple TNUs.
2
Interval of interrupting
communications
Generation interval of interrupting communication
If the I/O information update time is longer than
the interval of interrupting communications, the I/O
information update takes the priority and interrupting
communication will be conducted after the update.
(-> P.4-44)
3
Broadcast delay time
Setting by manufacturer (not to be set by yourself)
4
Number of retries
Number of retransmitted commands from the TNU
when there is no response from driver controllers.
Remote MANUAL and broadcast do not carry out
retries.
5
Communication speed
(upper-level)
Communication speed with PC/TDO.
6
Communication speed
(lower-level)
Communication speed with driver controller.
7
Lower-level communication
prohibition function
Function which prohibits automatic start of lower-level
communication at power ON.
When invalid, lower-level communication starts
automatically after TNU startup.
No.
Parameter details
Unit
Default setting
Input range
1
Comment
-
None
16 one-byte
alphanumeric
characters
2
Interval of interrupting
communications
ms
200
0 to 65535
3
Broadcast delay time
ms
20
20 to 65535
4
Number of retries
-
3
0 to 65535
5
Communication speed
(upper-level)
bps
115200
38400/57600/115200
6
Communication speed
(lower-level)
bps
115200
38400/57600/115200
7
Lower-level communication
prohibition function
-
Invalid
Invalid/Valid
3-1-1
TNU Firmware Ver. 1.3 or later
3-1
Communication parameters
A restart (re-insertion of power) may be required in order to enable parameter changes.
Important
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