Mitsubishi Electric Melsec iQ-R Series User Manual page 91

Warning output signal
When the warning output function is disabled for all channels, 'Warning output signal' (X8) is always off.
■Device number
The following shows the device number of this input signal.
Signal name
Warning output signal
■Process alarm
• 'Warning output signal' (X8) turns on when digital output values or digital operation values of the A/D conversion enabled
channels exceed the ranges of the process alarm lower lower limit value to the process alarm upper upper limit value after
'CH1 Warning output setting (Process alarm)' (Un\G512) is set to Enable (0). The ALM LED also turns on.
• 'Warning output signal' (X8) turns off when the digital output values or digital operation values fall within the setting range in
all the A/D conversion enabled channels. The ALM LED also turns off.
■Rate alarm
• 'Warning output signal' (X8) turns on when the change rate of digital output values of the A/D conversion enabled channels
exceed the ranges of the rate alarm lower limit value to rate alarm upper limit value after 'CH1 Warning output setting (Rate
alarm)' (Un\G513) is set to Enable (0). The ALM LED also turns on.
• 'Warning output signal' (X8) turns off when the change rate of the digital output values fall within the setting range in all the
A/D conversion enabled channels. The ALM LED also turns off.
'Warning output flag (Process alarm upper limit)' (Un\G36)
'Warning output flag (Process alarm lower limit)' (Un\G37)
'Warning output flag (Rate alarm upper limit)' (Un\G38)
'Warning output flag (Rate alarm lower limit)' (Un\G39)
'Warning output signal' (X8)
Performed by the A/D converter module
CH1 CH2 CH3
X8
0 Alarm ON (1)
ON
CH4 CH5 CH6 CH7
0
OFF
Appendix 2 I/O Signals
CH8
A
APPX
89