Toshiba T2N - Manual (Page 160)

2. User Program Configuration
User's manual 147
The instruction which calls a registered sub-routine is the CALL
instruction (sub-routine call instruction) of ladder diagrams. The CALL
instruction requires the number of the sub-routine it calls.
CALL N.000
Sub-routine number
The following is an execution sequence when sub-routines are included.
By the sub-routine 001 CALL instruction execution, the execution
shifts to sub-routine 001
When it has proceeded to the RET instruction, the execution
returns to the instruction following the CALL instruction in 1
When device A is ON, the CALL instruction is executed, and the
execution shifts to sub-routine 001
When it has proceeded to the RET instruction, the execution
returns to the instruction following the CALL instruction in 3
When device B is ON, the CALL instruction is executed, and the
execution shifts to sub-routine 031
When it has proceeded to the RET instruction, the execution
returns to the instruction following the CALL instruction in 5 (the
MOV instruction in this example)
Program under execution Flow of execution Sub-routines
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