Specification
Photo-coupler isolation between analog and digital circuits.
DC/DC converter isolation of power from FX base unit.
No isolation between analog channels.
8 points taken from the FX expansion bus
(can be either inputs or outputs)
Item
Isolation
Number of occupied I/O
points
ATTENTION FOR WHEN SWITCHING SYSTEM ON/OFF
Due to the inevitable timing difference of the DC24V for the analog circuits and other power lines of the
base unit, the output of the FX-2DA special function block may behave erroneously before settling down
to operational conditions in approximately 1sec. Therefore, ensure that this behavior is taken into account
such that the end performance of the system is not degraded.
(example)
Power switch
Miscellaneous
DC24V
supply
FX-2DA special
function block
cut analog lines
before switching
External analog
machine
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