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359
Memory Areas
Appendix B
Parameters for Automatically Setting Data Links: DM 2000 + 100
×
(Unit No.) + 1 to + 9 (See
page 149.)
CQM1H-series PLCs
AR Area
Data Link Start Bit: AR 07 (See page 115.)
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)
15
8
7
0
15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
16 15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
+1
+2
+3
+4
+5
+6
+8
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
+9
+7
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
Word
Bits
Name
Contents
AR 00
11
Communications Unit Error Flag
Turns ON when an error occurs in a Communications Unit.
AR 01
11
Communications Unit Restart Bit
Turn ON this bit to restart the Communications Unit.
AR 02
00 to 07
Response code
Contains the completion code for network instructions
(SEND(90), RECV(98), or CMND(
––
)).
(See page 194.)
08
Network Instruction Error Flag
0: Normal end to SEND(90), RECV(98), or CMND(
––
).
1: Abnormal end
(See page 193.)
09
Network Instruction Enable Flag
0: SEND(90), RECV(98), or CMND(
––
) execution not possi-
ble (already executing)
1: Execution possible (not executing)
(See page 193.)
15
Communications Unit Connected
Flag
Turns ON when a Communications Unit is mounted to the
PLC.
AR 03
00 to 15
Communications Unit Servicing
Time
Indicates the servicing time for the last cycle in 0.1-ms units
(4-digit BCD.)
Data link Start Bit (AR0700)
Start: Changed from OFF to ON or set to ON
when power is turned on
Stop: Changed from ON to OFF
15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
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 ...