Omron CJ1W-SCU32 Operation Manual page 367

Parameter Area Write
(Sequence No. 616 (Hex 0268))
This sequence writes the contents of the specified number of elements from the address of the speci-
fied parameter area to the specified node number.
Send Data Word Allocation (3rd Operand of PMCR(260))
First word of
send data
Offset
+0 Number of send data words
+1 (Undefined)
+2 Parameter type (4 digits hex)
+3 First write address (4 digits hex)
+4 Number of elements (4 digits hex)
+5 Number of bytes to write (4 digits hex)
+6 Write data
on
Set the number of bytes to write to twice the of the actual number of send data bytes. This is neces-
sary because the data is converted to ASCII data before being written. When hexadecimal data is
converted to ASCII data, data in the first write address +0 and +1 is stored in I/O memory in order
from the leftmost word to the rightmost word and the data is sent starting from the send data word
with the largest offset. This is done because user programs handle data in 2-word (4-byte) units.
Send data words
0 0 0
4
0 0 0
3
0 0 0
2
0 0 0
1
Receive Data Word Allocation (4th Operand of PMCR(260))
Receive data
storage words
Offset
+0 Number of receive data words
+1 Response code (4 digits hex)
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
Number of send data words
+0
+1 (Undefined)
Node No.
+2 Parameter type
+3 First write address
Number of elements
+4
Number of bytes to write
+5
+6
Write data
on
Contents (data format)
Node No.
(2 digits BCD)
Send frame
3
1 2
2
0 0 0 0 0 0 0 1
1
0
+0
Number of receive data words
+1
Response code
Contents (data format)
A Standard System Protocol
0007 to 00FA Hex (7 to 250 decimal)
00 to 99
Set the parameter type.
Set the first write address.
Set the number of elements to write.
(The leftmost bit in the number of elements is always 1.)
Set the number of bytes of write data to send in hexa-
decimal code.
Set the data to write from the first write address.
3 4
0 0 0 2 0 0 0 3
Always 0002 Hex (2 decimal)
The CompoWay/F command response code is
stored in hexadecimal code.
Data
Data
R-33