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Automatic control function programming manual ladder language

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Analogue Inputs/Outputs<br />

9.5 Reassign an Analogue Card anaa<br />

Syntax<br />

anaa(initial_cch, future_cch)<br />

initial_cch: Byte containing the card No. (the channel number is not significant).<br />

future_cch: Byte containing the card No. (the channel number is not significant).<br />

Operation<br />

Reassigns an analogue card.<br />

This <strong>function</strong> is optional. It is used to reassign <strong>function</strong>s anas(initial_cch, ...), anao(initial_cch, ...), anai(initial_cch, ...)<br />

to card future_cch.<br />

Detail of the «initial_cch» and «future_cch» arguments<br />

! CAUTION<br />

This <strong>function</strong> is authorised only in PLC task %INI.<br />

Card location<br />

Channel number<br />

Bit 7 Bit 0<br />

Refer to the Installation and Commissioning Manual for the card location on the system bus.<br />

The values 0 to 7 correspond to the channel numbers of the eight input registers or eight output registers.<br />

Return code<br />

If OK<br />

0<br />

Error<br />

1: Final card absent.<br />

2: Card parameter error.<br />

4: Function called in a task other than an %INI task.<br />

en-938846/7 9 - 7<br />

9

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