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Specifications
Section 1-6
Protocol Macro Function Specifications
Item
Description
Number of protocols
20 max.
Can be created and registered with the Protocol Support Tool
(CX-Protocol).
Number of sequences
1,000 max.
Per protocol
Number of
sequences
60 max.
Number of mes-
sages
300 max.
Number of recep-
tion matrixes
100 max.
Sequence execution condition
Using the CPU Unit’s PMCR(260) instruction (specifying the sequence
number)
Communications mode
Half-duplex or full-duplex
Synchronous mode
Start-stop synchronization (asynchronous mode)
Baud rate (see note 1)
RS-232C port and RS-422A/485 ports:
1,200/2,400/4,800/9,600/19,200/38,400 bps
Default setting: 9,600 bps
Note
A baud rate of 57,600 bps can be selected when using Unit Ver.
1.2 or later (115,200 bps is not possible).
Communications distance (see note 1)
RS-232C port: 15 m max.
RS-442A/485 port: 500 m max. (The total combined cable length is
500 m max. T-branch lines must be a maximum of 10 m long.)
Connection configuration
RS-232C port: 1:1 (1:N (N = 32 Units max.) is possible using a Convert-
ing Link Adapter.)
RS-422A/485 port: 1:N (N = 32 Units max.)
Number of connected Units
32 Units max. (unit numbers 0 to 31; unit number 0 is set for 1:1 connec-
tion)
Maximum number of
data exchange words
between PLC and
protocol macro
function
Operand setting
250 words
Including the word that specifies the number of
words (1 word)
Link word setting
500 words
O1, O2, I1, and I2: 500 words total
Direct setting
500 words
Maximum number of words per data attribute
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...