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Setting Data Links Section 5-2
CQM1H-series Startup Node
Set the following DM Parameter Area of the PLC of the startup node.
Settings
Data link mode
Set to 01 for automatic setting.
(00 is for manual setting. Other values are invalid.)
Number of send words per node of area 1 (BCD)
Rightmost 4 digits of data link start word of area 2 (BCD)
Leftmost digit of data link start word
of area 2 (BCD)
First data link status word (BCD)
DM 6400
0: Always 0.
– : Other settings
15 14 13 12 11 10 9 8 765 4 3 2 10
15 8 7
0
15 14 13 12 11 10 9 8 7 6 5 4 3 2 10
1615141312111098765432
1
DM 6401
DM 6402
DM 6403
DM 6404
DM 6405
DM 6406
DM 6408
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
DM 6409
––
0
–
000000 0000
DM 6407
00
Area 2 type
Number of send words per node of area 2 (BCD)
Area 1 data link start word (BCD)
Area 1 type
BCD: Set the value as binary-coded decimal.
Nodes to participate in the data links
The numbers indicate node numbers.
The value assigned indicates whether the
node is to participate in the data links.
Participate: 1
Not participate: 0
Item Setting range
Data link mode Specify automatic (01).
Area 1 data link start
word
Set the word address in BCD.
IR Area: IR 0000 to IR 247
LR Area: LR 00 to LR 63
Area 1 type Set the area for area 1 in BCD.
IR Area: 80
LR Area: 86
Area 1 not used: 00
Send size (number of
words) for node of area 1
Set the number of words in BCD between 0 and 1,000.
The total number of send words of area 1 and area 2
must not exceed 1,000.
When area 1 is not used, set to 0.
Area 2 data link start
word
Set the word address in BCD.
DM Area: DM 0000 to DM 5999
EM Area: EM 0000 to EM 6143 (EM must be installed)
Area 2 type Set the area for area 2 in BCD.
DM Area: 82
EM Area: 90
Area 2 not used: 00
Send size (number of
words) for node of area 2
Set the number of words in BCD between 0 and 1,000.
The total number of send words of area 1 and area 2
must not exceed 1,000.
When area 2 is not used, set to 0.