Omron CS1W-MC221 -, Operation Manual

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IOWR and IORD Specifications Section 4-2
specifying position data and system parameters directly is executed.
3. The range of the data transferred from the CPU Unit is checked. If the data
is within range, it is moved to the specified addresses. If the data is not
within range, the data is not moved, the Error Flag (CIO n+10/n+18 bit 14)
is turned ON, and the error code is output to CIO n+11/n+19.
4-2-2 IORD: INTELLIGENT I/O READ
C: Control code, S: Source unit number and total number of data words read,
D: Destination start word address
Operand Description
C
S
Specify the destination unit number from which data will be read and the
total number of words that will be read.
Total number of words transferred: 0002 to 000C hex
Position data: 0003 (1 position), 0006 (2 positions), 0009 (3 posi-
tions), 000C (4 positions) hex
Command Area: 0002, 0006 hex
System parameters and monitor data:
0002 hex
Destination unit number:
CS1W-MC421: 0000 to 005B hex (unit No. 0 to 91)
CS1W-MC221: 0000 to 005D hex (unit No. 0 to 93)
Example: Reading 12 words of data from unit number 3
#000C00003 (total number of words transferred: 000C (12 words), unit
No.: 0003 (No. 3))
IORD
C
S
D
@IORD
C
S
D
Specifies the first address in the MC Unit address to be read.
MC Unit address (Hex)
Total number of words transferred (Hex) Destination unit number (Hex)
S+1 S