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7. INITIAL SETTING OF TRANSMISSION CONTROL DATA TO
BUFFER MEMORY
MELSEC-A
This section shows how to specify the setting and switching of DCllDC3 code
and gives a sample sequence program specification.
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Specification method
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DC1 (default 11 H)
DC3 (default 13H)
To change the DCllDC3, set a byte of code at any value between O O H
and FFH.
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Sample specification
When DC1 is switched to 91 H, and DC3 is switched to 93H
(110 addresses 80 to 9F of the AlSJ71 C24)
(Sequence program)
Write DC1 91 Hand DC3 93H to buffer address 11 BH.
Write 101 H to buffer address 1 IAH.
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When switching DCllDC3from a default value, switch the value of buffer
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address 11 BH.
Make sure that 'with DCllDC3 control' is specified at buffer address
11AH.
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