Mitsubishi Electric Melsec iQ-R Series User Manual page 90

External power supply READY flag
■Device number
The following shows the device number of this input signal.
Signal name
External power supply READY flag
■When the external power supply is off or when the elapsed time after turning off and on the
external power supply is less than 200ms
'External power supply READY flag' (X7) remains off, and A/D conversion processing is not performed. At this time, 'A/D
conversion completed flag' (XE) turns off.
■When the external power supply is turned off and on
After 200ms, 'External power supply READY flag' (X7) turns on. A/D conversion processing starts on channels where the A/D
conversion is enabled.
CPU module power supply
'Module READY' (X0)
External power supply
'External power supply READY flag' (X7)
(1) A/D conversion is not performed.
(2) A/D conversion is performed.
■When the external power supply is turned on and off
'External power supply READY flag' (X7) turns off, and A/D conversion processing stops. At this time, 'A/D conversion
completed flag' (XE) turns off.
When the external power supply is turned off and on thereafter, 'External power supply READY flag' (X7) turns on and A/D
conversion processing starts after 200ms have elapsed, as with when the external power supply is turned off and on.
Use an external power supply that meets the specifications described in the performance specifications.
When an external power supply does not meet the specifications, 'External power supply READY flag' (X7)
does not turn on. For the performance specifications, refer to the following.
 MELSEC iQ-R HART-Enabled Analog-Digital Converter Module User's Manual (Startup)
APPX
88
Appendix 2 I/O Signals
CH1 CH2
X7
ON
ON
ON
200ms
ON
(1)
CH3 CH4 CH5
OFF
OFF
(2)
CH6 CH7 CH8