Mitsubishi Electric NZ2EX2B-60AD4 User Manual page 199

(12)External power supply READY flag
This signal indicates the state of the external power supply of the extension A/D converter module.
(a) Behavior when the external power supply of the extension A/D converter module is
in an off state
External power supply READY flag (RX2F) remains off, and the RUN LED of the extension A/D converter
module flashes.
A/D conversion processing is not performed on the extension A/D converter module, and A/D conversion
completed flag (RX20 to RX23) of the extension A/D converter module remains off.
(b) Behavior when the external power supply of the extension A/D converter module is
turned on from off
When the external power supply is turned from off to on, External power supply READY flag (RX2F) turns on,
and the RUN LED of the extension A/D converter module lights up. A/D conversion processing starts in the
conversion enabled channels of the extension A/D converter module.
(c) Behavior when the external power supply of the extension A/D converter module is
turned off from on
When the external power supply is turned from on to off, External power supply READY flag (RX2F) turns off,
and the RUN LED of the extension A/D converter module flashes.
A/D conversion processing stops on the extension A/D converter module, and A/D conversion completed flag
(RX20 to RX23) of the extension A/D converter module turns off.
Module power supply
Remote READY
(RXB)
External power supply
External power supply READY flag
(RX2F)
(d) Device number
The device number of this input signal is as follows:
Signal name
External power supply READY flag
● A/D conversion processing on the main A/D converter module works regardless of an on or off state of the external power
supply of the extension A/D converter module.
● Use an external power supply that meets the specifications described in Performance specifications ( Page 27,
Section 3.2.2). If it does not meet the specifications, External power supply READY flag (RX2F) remains off.
● When using the extension A/D converter module, use it with an interlock condition.
ON
OFF
ON
OFF
ON
OFF
OFF
A/D conversion processing
is not performed.
Main A/D converter module

ON
A/D conversion processing
is performed.
Extension A/D converter module
RX2F
APPX
A
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