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123
Setting Data Links
Section 5-2
Note a)
The total number of words in data link send and receive areas
must not exceed 8,000 per node.
b)
The following values must be satisfied for each node for the data
link area 1 and area 2 so that the final word in the data link does
not go beyond the last word in the PLC memory area.
First data link sta-
tus word
Set the first word to store data link status. An area of 16 words is
used.
IR Area:
IR 001 to IR 232
LR Area:
LR 00 to LR 48
DM Area:
DM 0000 to DM 5984
EM Area:
EM 0000 to EM 6128 (EM must be installed)
When IR 000 is specified or when the default setting (
–––––
) is
left unchanged, the default first status word will be used. Refer
to
for details.
Area 1
Data link
start word
IR Area:
IR 000 to IR 247
LR Area:
LR 00 to LR 63
DM Area:
DM 0000 to DM 5999
EM Area:
EM 0000 to EM 6143 (EM must be installed)
The same memory area cannot be set for both area 1 and area
2. Set different memory areas.
Number of
words
Remote nodes: 0 to the number of source words
Set the number of words to be received.
Local node:
0 to 1,000
Set the number of words to be transmitted.
The total number of words in area 1 and area 2 in each node
must not exceed 1,000.
The numbers of words in both area 1 and area 2 in each node
must not be set to 0.
Offset
Remote nodes: 0 to one less than number of source words
Set the offset for the data to be received.
Local node:
Cannot be set.
This setting is not required if an offset is not used.
Area 2
Data link
start word
IR Area:
IR 000 to IR 247
LR Area:
LR 00 to LR 63
DM Area: DM 0000 to DM 5999
EM Area: EM 0000 to EM 6143 (EM must be installed)
The same memory area cannot be set for both area 1 and area
2. Set different memory areas.
Number of
words
Remote nodes: 0 to the number of source words
Set the number of words to be received.
Local node:
0 to 1,000
Set the number of words to be transmitted.
The total number of words in area 1 and area 2 in each node
must not exceed 1,000.
The numbers of words in both area 1 and area 2 in each node
must not be set to 0.
Offset
Remote nodes: 0 to one less than number of source words
Set the offset for the data to be received.
Local node:
Cannot be set.
This setting is not required if an offset is not used.
Setting item
Setting range
Summary of Contents for C200HW-CLK21
Page 3: ...iv ...
Page 9: ...x ...
Page 12: ...xiii TABLE OF CONTENTS Index 367 Revision History 373 ...
Page 13: ...xiv ...
Page 19: ...xx ...
Page 57: ...32 Application Precautions Section 1 5 Example CX Programmer Response Timeout Setting ...
Page 69: ...44 Message Service Procedure Section 2 2 ...
Page 111: ...86 Constructing Networks with Repeater Units Section 3 4 ...
Page 154: ...129 Setting Data Links Section 5 2 Device Information Setting Data Link Tables ...
Page 261: ...236 Response Codes Section 6 7 ...
Page 297: ...272 Message Delay Times Section 8 4 ...
Page 353: ...328 Handling Precautions Section 9 6 ...
Page 364: ...339 Changing the Data Link Tables with Active Data Links Section 10 2 ...
Page 365: ...340 Changing the Data Link Tables with Active Data Links Section 10 2 ...
Page 369: ...344 Standard Models Appendix A ...
Page 391: ...366 Using the Relay Terminal Block Appendix C ...
Page 397: ...372 Index ...
Page 401: ...376 Revision History ...