Omron CS1W-MC221 -, Operation Manual

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Position Data Section 3-4
3-4-1 Position Data Addresses
Specify position data at the following addresses in MC Unit memory. Specify
the addresses in hexadecimal when using IOWR/IORD commands.
The preceding addresses 0000 to 1999 are specified using A0000 to A1999 in
G language.
3-4-2 Position Data Configuration
Each position is comprised of three words. Refer to SECTION 4 Data Transfer
and Storage for more details about transferring data. Data can be transferred
at any time.
Example 1
The following is the configuration of a position data value of 123.45.
Example 2
The following is the configuration of a position data value of 12345.
Data Address range Number of words to
transfer
Position data 0000 to 07CF (decimal:
0000 to 1999) 1 position: 0003 hex
2 positions: 0006 hex
3 positions: 0009 hex
4 positions: 000C hex
0 0 0
j+0
j+1
j+2
15 12 11 08 07 04 03 00
A (Decimal
point position)
Position data (32-bit signed: Rightmost 16 bits)
Position data (32-bit signed: Leftmost 16 bits)
A: Decimal point position 0: x 1
1: x 0.1
2: x 0.01
3: x 0.001
4: x 0.0001
0 0 0
j+0
j+1
j+2
15 12 11 08 07 04 03 00
2
3 0 3 9
0 0 0 0
00003039 (Hex) = 12345 (decimal)
The decimal point position is 2, so it yields 123.45.
0 0 0
j+0
j+1
j+2
0
C F C 7
F F F F
15 12 11 08 07 04 03 00