Omron CPM2C-S100C Operation Manual page 152

Explicit Message Communications
Example Network
Conditions
CMND(194) Operand Details
[CMND S D C]
130
Master's node number:
Slave's network address:
Slave's node number:
• Command Words
Word Contents
(Hex)
S 28 01 EXPLICIT MESSAGE SEND command code = 2801 (Hex)
S+1 02 1C Slave node number = 02 (Hex)
WRITE BYTE DATA command service code = 1E (Hex)
S+2 00 2F Class ID = 002F (Hex)
S+3 00 01 Instance ID = 0001 (Hex) specifies data area
S+4 0A 00 Starting write address = 000A (Hex) specifies IR 010
Address L = 0A (Hex); Address H = 00 (Hex)
S+5 HH LL These words contain the data to be written to slave words
IR 010 to IR 029. When the WRITE BYTE DATA command is
to :
executed from an OMRON Master, the bytes are written to the
S+24 HH LL
Slave in the same order (HH LL) in which they appear in the
Master.
• Response Words
(The results are stored as follows.)
Word Contents
(Hex)
D 28 01 EXPLICIT MESSAGE SEND command code = 2801 (Hex)
D+1 00 00 Normal completion code = 0000 (Hex)
D+2 00 02 Number of bytes received = 02 (Hex) indicates 2 bytes
(This is the number of bytes from D+3 to the end.)
D+3 02 9C Slave's node number = 02 (Hex)
WRITE BYTE DATA response service code = 9E (Hex)
• Control Words
Word Contents
(Hex)
C 00 32 Number of bytes of command data beginning with word S =
32 (Hex) specifies 50 bytes
C+1 00 08 Number of bytes of response data beginning with word D =
08 (Hex) specifies 8 bytes
C+2 00 01 Destination network address = 01 (Hex)
C+3 3F FE Master's node number = 3F (Hex) specifies 63
Master's unit address = FE (Hex) specifies the local Unit
C+4 00 00 Response required
Transmission port number = 00 (Hex) specifies 0
Number of retries = 00 (Hex) specifies 0
C+5 00 64 Response monitoring time = 64 (Hex) specifies 10.0 seconds
63
1
2
Function
Function
Function
Section 6-3