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286
Auxiliary Area and CIO Area Allocations (Modbus-RTU Slave Mode)
Section 9-3
Read Input Registers
Function
Reads multiple words from the CIO, Work, Holding, or Auxiliary Area of I/O
memory.
Command
Note
The address depends on the area that is allocated.
Response
Note
N = Quantity of Registers
Reading 3 Words from
D1000 to D1002
Write Single Coil
Function
Writes a bit in I/O memory.
Command
Note
The address depends on the area that is allocated.
Length
Data
Function Code
1 byte
04 hex
Starting Address
2 bytes
0 to 17FF hex (See note.)
Quantity of Registers 2 bytes
1 to 7D hex
Length
Data
Function Code
1 byte
04 hex
Byte Count
1 byte
N
×
2 (See note.)
Register Value
N
×
2 bytes
Request
Response
Data
Data
Function Code
04 hex
Function Code
04 hex
Starting Address (H)
03 hex
Byte Count
06 hex
Starting Address (L)
E8 hex
Register Value (H) DM1000
AB hex
Quantity of Registers (H)
00 hex
Register Value (L) DM1000
12 hex
Quantity of Registers (L)
03 hex
Register Value (H) DM1001
56 hex
Register Value (L) DM1001
78 hex
Register Value (H) DM1002
97 hex
Register Value (L) DM1002
13 hex
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
D1000
A
B
1
2
D1001
5
6
7
8
D1002
9
7
1
3
Length
Data
Function Code
1 byte
05 hex
Output Address
2 bytes
0 to FFFF hex (See note.)
Output Value
2 bytes
0000 hex (OFF) or FF00 (ON)
Summary of Contents for SYSMAC CJ1W-SCU21-V1
Page 3: ...iv...
Page 5: ...vi...
Page 9: ...x...
Page 15: ...xvi...
Page 89: ...60 Basic Operating Procedure Section 1 9...
Page 151: ...122 RS 232C and RS 422A 485 Wiring Section 3 4...
Page 173: ...144 Host Link Function for Replacing Existing PLCs Section 4 6...
Page 223: ...194 Enhanced Protocol Macro Functions Section 5 6...
Page 277: ...248 Communications Frames Section 6 8...
Page 291: ...262 Basic Operating Procedure in No protocol Mode Section 7 4...
Page 301: ...272 Auxiliary Area and CIO Area Allocations Section 8 3...
Page 391: ...362 Introduction Appendix A...
Page 421: ...392 CompoWay F Master Protocol Appendix B...
Page 513: ...484 E5 K Digital Controller Read Protocol Appendix F...
Page 571: ...542 E5ZE Temperature Controller Write Protocol Appendix I...
Page 587: ...558 E5 J Temperature Controller Protocol Appendix J...
Page 627: ...598 ES100 Digital Controller Protocol Appendix K...
Page 661: ...632 V500 V520 Bar Code Reader Protocol Appendix M...
Page 697: ...668 3Z4L Laser Micrometer Protocol Appendix N...
Page 717: ...688 Visual Inspection System Protocol Appendix O...
Page 755: ...726 V600 V620 ID Controller Protocol Appendix P...
Page 763: ...734 Hayes Modem AT Command Protocol Appendix Q...
Page 767: ...738 Changing Communications Port Settings Using STUP 237 Appendix R...
Page 781: ...752 Revision History...