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74
System Parameters
Section 4-2
Explanation
• Operation with the number of retrial nodes set
Note
(1) Setting the number of retrial nodes makes MC Unit reserve the time in the
cycle time for the specified number of retries.
(Even without any communications error or retries, the processing time
for them is added to the cycle time.)
(2) This setting closely relates to the communications cycle. For details, see
Calculation Method for Communications Cycle
Explanation
• Specifies the time to make the communication start delayed in order to
wait for slave startup.
No.
Address in MC
Unit
Name
Type
Unit
Immediate
updating
P00009
5008h
Setting for the No. of MECHA-
TROLINK-II retrial nodes
Data
---
No
Data configuration
Initial value
00000000 (0)
31
16
00
0 0 0 0 0 0
Bit
Function and explanation
00 to
15
Not used
16 to
19
No. of retrying nodes
This setting decides how many retries are performed within a communication cycle in the case of a
MECHATROLINK-II communications error. (Not for each and every node, but for a maximum of 7
nodes in a system)
0 to 7 Hex (0 to 7)
20 to
31
Not used
Com-
mand
Com-
mand
Com-
mand
Com-
mand
Com-
mand
Re-
sponse
Re-
sponse
Re-
sponse
Re-
sponse
Re-
sponse
Communi-
cations
error!
After a command is transmitted to
all the nodes, the command is trans-
mitted again to the nodes where the
communications error occurred.
No.
Address in MC
Unit
Name
Type
Unit
Immediate
updating
P00010
5009h
MECHATROLINK-II delay in com-
munication start
Data
---
No
Data configuration
Setting range
00000000 to 0000EA60 Hex
(0 to 60000)
Initial value
00000000 (0)
31
00
Delay in communications start
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