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MELSEC-Q
3 SPECIFICATIONS
Device No. Signal Name Description
X9
Operating
condition setting
completed flag
(1) This signal is used as an interlock condition to turn ON/OFF the Operating condition
setting request (Y9) when any of the following settings has been changed.
• A/D conversion enable/disable setting (buffer memory address 0: Un\G0)
• CH
Average time/Average number of times/Move average/Time constant settings
(buffer memory addresses 1 to 4: Un\G1 to Un\G4)
• CH A/D conversion starting time setting (buffer memory addresses 5, 6: Un\G5,
Un\G6)
• Averaging process specification (buffer memory address 9: Un\G9)
• Input signal error detection extended/input signal error detection/warning output
settings (buffer memory address 47: Un\G47)
• CH
process alarm upper/lower limit value (buffer memory addresses 86 to 117:
Un\G86 to Un\G117)
• CH
rate alarm warning detection period (buffer memory addresses 118 to 121:
Un\G118 to Un\G121)
• CH rate alarm upper/lower limit value (buffer memory addresses 122 to 137:
Un\G122 to Un\G137)
• CH
input signal error detection setting value/CH input signal error detection
lower limit setting value (buffer memory addresses 138 to 141: Un\G138 to Un\G141)
• CH
input signal error detection upper limit setting value (buffer memory addresses
142 to 145: Un\G142 to Un\G145)
(2) When the operating condition setting completed flag (X9) is OFF, A/D conversion
processing is not performed. Under the following conditions, the operating condition
setting completed flag (X9) turns OFF.
• When operating condition setting request (Y9) is ON
(3) Digital outputs are cleared immediately after Operating condition setting request (Y9)
turns ON. Therefore, turn ON the A/D conversion completed flag before reading digital
outputs.
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