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CompoWay/F Master Protocol
Appendix B
The received frames are stored in order from the rightmost word to leftmost word of the I/O memory address.
Variable Area Read
(Sequence No. 610 (Hex 0262))
This sequence reads the contents of the specified number of elements from the address of the specified variable type to the
specified node number and stores the data starting at the specified word.
Send Data Word Allocation (3rd Operand of PMCR(260))
Receive Data Word Allocation (4th Operand of PMCR(260))
The received frames are stored in order from the leftmost word to the rightmost word of the I/O memory
address.
1 2 3 4
5 6 7 8
Receive data words
Receive frame
"12" "34" "56" "78"
Rightmost word
Leftmost word
Offset
Contents (data format)
Data
+0
Number of send data words
Always 0005 hex (5 decimal)
+1
(Undefined)
Node No.
(2 digits BCD)
00 to 99
+2 Variable
type
(2 digits hex)
Set the area type (2 digits) and the first read
word (6 digits). The leftmost 16 bits of the
first read word specify the address and the
rightmost 8 bits specify the bit location. Set
the rightmost 8 bits to 00 when bit access is
not required.
+3
First read address (6 digits BCD)
+4
Number of elements (4 digits BCD)
Set the number of elements to read.
Number of elements
First word of
send data
Number of send data words
+0
+1
+2
+3
+4
(Undefined)
First read address
Variable type
Node No.
Offset
Contents (data format)
Data
+0
Number of receive data words
0003 to 00FA Hex (3 to 250 decimal)
+1
Response code (4 digits hex)
The CompoWay/F command response code
is stored in hexadecimal code.
+2
on
Receive data (4 digits hex)
The read data is stored.
Receive data
storage words
+0
+1
+2
Number of receive data words
Response code
Receive data
1 2 3 4
5 6 7 8
Receive data words
Receive frame
"12" "34" "56" "78"
Rightmost word
Leftmost word
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...