B-63983EN/02 4.LADDER LANGUAGE
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4.5.1 MOVB (Transfer of 1 Byte: SUB 43)
The MOVB instruction transfers 1-byte data from a specified source
address to a specified destination address.
Format
Fig. 4.5.1 shows the ladder format and Table 4.5.1 shows the
mnemonic format.
MOVB
SUB 43
¡¡¡¡
¡¡¡¡
ACT
Transfer source address
Transfer destination address
Fig. 4.5.1 Format of MOVB instruction
Table 4.5.1 Mnemonic of MOVB instruction
Mnemonic format Memory status of control
condition
Step
number
Instruction
Address
No.
Bit No. Remarks ST3 ST2 ST1 ST0
1RD ¡¡¡¡ .¡ ACT ACT
2 SUB 43 MOVB instruction
3(PRM) ¡¡¡¡ Transfer source address
4(PRM) ¡¡¡¡ Transfer destination address
Control condition
(a) Execution specification
ACT = 0: No data is transferred.
ACT = 1: One-byte data is transferred.
Parameters
(a) Transfer source address
Specify the source address for the transfer.
(b) Transfer destination address
Specify the destination address for the transfer.