
4.LADDER LANGUAGE B-63983EN/02
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4.5.4 MOVN (Transfer of an Arbitrary Number of Bytes: SUB 45)
The MOVN instruction transfers data consisting of an arbitrary
number of bytes from a specified source address to a specified
destination address.
Format
Fig. 4.5.4 shows the ladder format and Table 4.5.4 shows the
mnemonic format.
MOVN
SUB 45
¡
¡¡¡¡
¡¡¡¡
ACT
Number of bytes to be transferred
Transfer source address
Transfer destination address
Fig. 4.5.4 Format of MOVN instruction
Table 4.5.4 Mnemonic of MOVN 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 45 MOVN instruction
3(PRM) ¡ Number of bytes to be transferred
4(PRM) ¡¡¡¡ Transfer source address
5(PRM) ¡¡¡¡ Transfer destination address
Control condition
(a) Execution specification
ACT = 0: No data is transferred.
ACT = 1: A specified number of bytes are transferred.