
B-63983EN/02 4.LADDER LANGUAGE
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4.12.14 END3 (3rd Level Sequence Program End: SUB 48)
Specify this command at the end of the 3rd level sequence program, i.e.
it indicates the end of the sequence program. If there is no 3rd level
sequence program, this instruction need not be specified.
SUB 48
END3
Fig. 4.12.14 Format of END3 instruction
Table 4.12.14 Mnemonic of END3 instruction
Step
number
Instruction
Address
No.
Bit No. Remarks
1 SUB 48 END3 instruction
4.12.15 END (End of a Ladder Program: SUB 64)
The END functional instruction designates the end of a ladder program.
END must be placed at the end of the ladder program.
SUB 64
END
Fig. 4.12.15 Format of END instruction
Table 4.12.15 Mnemonic of END instruction
Step
number
Instruction
Address
No.
Bit No. Remarks
1 SUB 64 END instruction
4.12.16 NOP (No Operation: SUB 70)
During creation of a ladder program using the programmer, if the
program is compiled with specifying the setting with which a net
comment or form feed code is used and the point of the net comment is
output, position information of the net comment or form feed code is
output as the NOP instruction. This instruction performs no operation
during execution of the ladder.