Omron CRT1 - 10-2009, Operation Manual

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613
CompoNet Explicit Messages
Appendix A
Command Details
[CMND S D C]
Contents of S
D: First Response Storage Word
Contents of C
Response
Contents of D
Note (1) The service data is stored for the command format with the lower byte stored first followed by the
upper byte for word (2-byte) or double-word (4-byte) data. For example, with word data, 1234 hex
would be specified by setting 34 hex first followed by 12 hex. With double-word data, 12345678 hex
would be specified by setting 78 hex first followed by 56 hex, 34 hex, and then 12 hex. This is illus-
trated below.
Data is thus set in I/O memory starting from the address specified for operand S of the CMND in-
Address Contents (hex) Meaning
D01000 28 02 Command code
D01001 10 0B Destination node address (Input Slave Unit: node address 11)
D01002 00 0E Service code: 0E hex
D01003 00 95 Class ID: 0095 hex
D01004 00 01 Instance ID: 0001 hex
D01005 71 00 Attribute ID: 71 hex
(The rightmost 00 hex is not read because the number of bytes of
command data is set to 11 bytes.)
Address Contents (hex) Meaning
D00000 00 0B Number of bytes of command data: 11 bytes
D00001 00 0E Number of bytes of response data: 14 bytes
D00002 00 00 Destination Master Unit network address: 0
D00003 00 20 Destination Master Unit node address: 0
Destination Master Unit unit address: 20 hex
D00004 00 00 Response required
Communications port number: 0
Number of retries: 0
D00005 00 64 Response monitoring time
Address Contents (hex) Meaning
D02000 28 02 ---
D02001 00 00 ---
D02002 00 08 ---
D02003 10 0B Destination node address: 11 (0B hex)
D02004 00 8E Normal completion: 8E hex
D02005 2F 07 The Unit maintenance PV (0000072F hex) is stored in order from
leftmost to rightmost. (See note.)
D02006 00 00 ---
34 12 78 56 34 12
Example for 1234 hex
Service data
Service data
Example for 12345678 hex