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MELSEC-Q
10 DEVICES
10.12 Constants
10.12.1 Decimal constants (K)
(1) Definition
Decimal constants are devices which designate decimal data in sequence
programs.
They are designated as "K
"settings (e.g. K1234), and are stored in the High
Performance model QCPU in binary (BIN) code.
See Section 4.8.1 for details on binary code.
(2) Designation range
The setting ranges for decimal constants are as follows:
• For word data (16 bits) ...........K-32768 to K32767
• For 2-word data (32 bits)........K-2147483648 to K2147483647
10.12.2 Hexadecimal constants (H)
(1) Definition
Hexadecimal constants are devices which designate hexadecimal or BCD data in
sequence programs.
(For BCD data designations, 0 to 9 digit designations are used.)
Hexadecimal constants are designated as "H
" settings (e.g. H1234).
See Section 4.8.3 for details on hexadecimal code.
(2) Designation range
The setting ranges for hexadecimal constants are as follows:
• For word data (16 bits) .......... H0 to HFFFF (H0 to H9999 for BCD)
• For 2-word data (32 bits)....... H0 to HFFFFFFFF (H0 to H99999999 for BCD)
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