Mitsubishi Electric MELSEC iQ-F FX5 User Manual page 358

Rate alarm
This function outputs an alert when the change rate of a digital output value is equal to or greater than the rate alarm upper
limit value, or the rate is equal to or smaller than the rate alarm lower limit value.
'Rate alarm upper limit value (CH1: Un\G524, CH2: Un\G724)
'Rate alarm lower limit value (CH1: Un\G526, CH2: Un\G726)
'CH1 Alert output flag (Rate alarm upper limit)' (Un\G38, b0)
'CH1 Alert output flag (Rate alarm lower limit)' (Un\G39, b0)
'CH2 Alert output flag (Rate alarm lower limit)' (Un\G39, b1)
'Alert output signal' (Un\G69, b8)
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3.4 Functions
Digital output value
Change of digital output value (°C)
0
'CH1 Digital output
value' (Un\G400)
Rate alarm alert
detection cycle
'CH2 Digital output
value' (Un\G600)
Rate alarm alert
detection cycle
Change of CH1
Digital output
value
Change of CH2
Digital output
value
ON
OFF
OFF
ON
OFF
ON
OFF
Implement by multiple input module
Time (t)
Time (t)
ON