Mitsubishi Electric MELSEC iQ-F FX5 User Manual page 50

Rate alarm
Outputs an alarm when the change rate of a digital output value is equal to or more than the rate alarm upper limit value, or
the rate is equal to or less than the rate alarm lower limit value.
Digital output value change rate (%)
Rate alarm upper limit value
(CH1: Un\G524, CH2: Un\G724)
Rate alarm lower limit value
(CH1: Un\G526, CH2: Un\G726)
'CH1 Warning output flag (Rate alarm upper limit)'
(Un\G38, b0)
'CH1 Warning output flag (Rate alarm lower limit)'
(Un\G39, b0)
'CH2 Warning output flag (Rate alarm lower limit)'
(Un\G39, b1)
'Warning output signal' (Un\G69, b8)
1 FX5-4AD
48
1.4 Functions
Rate alarm alert
detection cycle
Digital output value
(1)
0
OFF
OFF
OFF
OFF
'CH1 Digital output value'
(Un\G400)
'CH2 Digital output value'
(Un\G600)
(2) (3)
CH1 Digital output value change rate
(1) (2)
CH2 Digital output value change rate
ON
ON
ON
ON
Controlled by the analog input module
Time
(3)
Time