Specifying Operands - Omron CJ - INSTRUCTIONS REFERENCE MANUAL 07-2009 Reference Manual

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Specifying Operands

Addressing I/O Memory Areas
Bit Addresses
Word Addresses
CS/CJ/NSJ Series Instructions Reference Manual (W474)
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Bit number (00 to 15)
Word address
Example: The address of bit 03 in word 1 in the CIO Area would be as
shown below.
1. 03
Bit number: 03
Word address: 0001
Word
15 14 13
0
1
2
With the CJ2 CPU Unit, bit addresses can be specified in the DM and EM
Areas.
Example: DM area
D1001.03
Bit number: 03
Word address: D1001
Word
15 14 13
D1000
D1001
D1002
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Indicates the word address
Example: I/O Area
The address for word CIO 10 would be as shown below.
10
Word address
DM and EM Areas addresses are given "D" or "E" prefixes, as shown below
for the address D200.
Example: DM Area
The address for word D200 would be as shown below.
D200
Word address
1. Basic Understanding of Instructions
12 11 10 09 08 07 06
12 11 10 09 08 07
Bit: CIO 0001.03
05 04 03 02 01 00
Bit: D1001.03
06 05 04 03 02 01 00
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