Details Of I/O Signals - Mitsubishi MELSEC-Q Q62DAN User Manual

3 SPECIFICATIONS

3.3.2 Details of I/O signals

Device No. Signal name
X0 Module READY
High resolution
X8
mode status flag
Operating
X9 condition setting
completed flag
3 - 15
I/O signals for the D/A converter module are explained in detail below.
(1) Input signals
(1) When the programmable controller CPU is powered on or reset, this signal turns on
once the preparation for D/A conversion has been completed, and D/A conversion
processing is then performed.
(2) When the Module READY (X0) signal is off, D/A conversion processing is not
performed. Module READY (X0) turns off in the following situations:
• During offset/gain setting mode
• When the D/A converter module has a watchdog timer error
(1) This turns ON when in high resolution mode.
(1) This is used as an interlock condition for turning the operating condition setting
request (Y9) ON/OFF when the setting for D/A conversion enable/disable (buffer
memory address 0: Un\G0) is changed.
(2) Under the following conditions, the operating condition setting completed flag (X9)
turns OFF.
• When Module READY (X0) is OFF
• When operating condition setting request (Y9) is ON
Module READY (X0)
Operating condition
setting completed flag (X9)
Operating condition
setting request (Y9)
Description
Performed by the D/A converter module
Performed by the sequence program
MELSEC-Q
3 - 15