A-2
[DESIGN PRECAUTIONS]
WARNING
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If a communication error occurs in the AS-i system, the input will turn OFF
from the slave having the communication error.
Output to the slave with communication error will be held or cleared
depending on the slave specifications.
The AS-i system communication error can be confirmed with the buffer
memory's List of Active Slaves (LAS) (15 to 16H, 75 to 76H) and with the
input signal Config OK (X4, X9).
Using the above information, configure an interlock circuit on the sequence
program so that the system activates safely.
There is a risk of accidents caused by incorrect outputs or incorrect
operations.
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Depending on the unit fault, the input/output could enter the ON state or
OFF state.
Provide a circuit for external monitoring for input/output signals that could
lead to major accidents.
CAUTION
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Do not bundle AS-i cable together with main circuit or power lines, or lay
them close to these lines.
As a guide, separate these lines by a distance of at least 100 mm,
otherwise malfunctions may occur due to noise.
Summary of Contents for MELSEC-A A1SJ71AS92
Page 15: ...6 6 Outline Dimension Drawings 6 1 A1SJ71AS92 Unit mm...
Page 16: ...7 MEMO...
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