Mitsubishi Electric MELSEC iQ-F FX5 User Manual page 367

Ex.
The following figure shows the operation when an analog input value falls below 2.4 mA and returns within the normal range
under the following condition.
Item
'Input signal error auto-clear enable/disable setting' (Un\G304)
Input range
'CH1 Input signal error detection setting' (Un\G528)
'CH2 Input signal error detection setting' (Un\G728)
Input signal error detection lower limit value
Analog input value
Input signal error detection
upper limit value
Input signal error detection
lower limit value
(2.4 mA)
'CH1 Input signal error detection flag'
(Un\G40, b0)
'CH2 Input signal error detection flag'
(Un\G40, b1)
'Input signal error detection signal'
(Un\G69, b12)
'CH1 A/D conversion completed flag'
(Un\G42, b0)
'CH2 A/D conversion completed flag'
(Un\G42, b1)
ALM LED
■When Input signal error auto-clear enable/disable setting is set to Disable (1)
After the analog input value returns within the set range, turn offonoff Error clear request (Un\G70, b15).
The multiple input module arranges the following status when an input signal error is cleared.
• 'Input signal error detection flag' (Un\G40) is cleared.
• 'Input signal error detection signal' (Un\G69, b12) turns off.
• The ALM LED turns off.
• 'Latest alarm code' (Un\G2) is cleared.
CH2 analog
input value
CH1 analog
input value
Error
detected
ON
OFF
OFF
ON
OFF
ON
ON
Light off
Controlled by the multiple input module
Controlled by the program
Setting
Enable (0)
4 to 20 mA
Upper and lower limit detection (1)
Upper and lower limit detection (1)
2.4 mA
Detection range
Out of detection range
Included
Normal
input value
Error
detected
OFF
ON
OFF
OFF
Flashing Light off
Time (t)
3 FX5-8AD
365
3.4 Functions
3