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[Design Precautions]
● Install a safety circuit external to the programmable controller that keeps the
entire system safe even when there are problems with the external power
supply or the programmable controller.
Otherwise, trouble could result from erroneous output or erroneous operation.
(1) The status of analog output changes depending on the setting of various
functions that control the analog output. Take sufficient caution when
setting for those functions.
For details of analog output status, refer to Section 3.4.1 "Combinations of
various functions" in the User's Manual.
(2) Normal output may not be obtained due to malfunctions of output elements
or the internal circuits.
So build an external monitoring circuit that will monitor any single outputs
that could cause serious trouble.
● Do not install the control lines or communication cables together with the main
circuit lines or power cables.
Keep a distance of 100mm (3.94 inches) or more between them.
Failure to do so may result in malfunction due to noise.
● At power ON/OFF, voltage or current may instantaneously be output from the
output terminal of this module. In such case, wait until the analog output
becomes stable to start controlling the external device.
[Installation Precautions]
● Use the programmable controller in an environment that meets the general
specifications in the detailed manual.
Failure to do so may result in electric shock, fire, malfunction, or damage to or
deterioration of the product.
● Securely fix the module with a DIN rail or CC-Link connector type metal
installation fitting.
Not doing so can cause a drop or malfunction.
● Do not directly touch any conductive part of the module.
Doing so can cause malfunction or failure of the module.
WARNING
CAUTION
CAUTION
A-2
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