Omron CQM1H - PROGRAM Programming Manual page 409

Programmable controllers; inner boards

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Special Instructions

Application Example

Macro not used

The following restrictions apply when the macro function is used.

• The only words that can be used for each execution of the macro are the

four consecutive words beginning with the first input word number (for

input) and the four consecutive words beginning with the first output word

(for output).

• The specified inputs and outputs must correctly correspond to the words

used in the subroutine.

• Even when the direct output method is used for outputs, subroutine

results will be actually reflected in the specified output words only when

the subroutine has been completed (step 3 above).

Note IR 096 to IR 099 and IR 196 to IR 199 can be used as work bits when

MCRO(99) is not used.

The first input word and the first output word can be specified not only with I/O

bits, but also with other bits (such as HR bits, work bits, etc.) or with DM

Subroutines called by MCRO(99) are defined by SBN(92) and RET(93), just

as are ordinary subroutines.

When a macro is used, the program can be simplified as shown below.

A subroutine does not exist for the specified subroutine number.

An operand has exceeded a data area boundary.

25313 (Always ON)

Subroutine used

to define macro

Section 5-28

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