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Mitsubishi Electric MELSEC iQ-F FX5 User Manual Page 444

Analog control - intelligent function module.
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■Buffer memory address
The following shows the buffer memory address of this area.
Buffer memory name
Input signal error detection flag/disconnection detection flag
■Status of Input signal error detection flag/disconnection detection flag
• When an analog input value out of the range specified in Input signal error detection setting value is detected, Input signal
error detection flag corresponding to each channel turns to Input signal error (1).
• If a disconnection is detected by the disconnection detection function, disconnection detection flag, which corresponds to
the channel where the disconnection is detected, turns to disconnection detection (1).
• When an error is detected in any channel where the conversion and the input signal error detection are enabled, 'Input
signal error detection signal' (Un\G69, b12) turns on.
• If an error is detected even in one channel, of the channels where conversion is enabled and disconnection detection is
enabled, 'Disconnection detection signal' (Un\G69, b6) turns on.
■Clearing Input signal error detection flag/disconnection detection flag
Clearing input signal errors detection flag/disconnection detection flag differs depending on Input signal error detection/
disconnection detection auto-clear enable/disable setting. (When turning offonoff, Error clear request (Un\G70, b15) the
flag is cleared regardless of the setting.)
When Input signal error detection/disconnection detection auto-clear enable/disable setting is set to Enable (0)
• When an analog input value falls within the normal range, Normal (0) is stored in the corresponding bit of 'Input signal error
detection flag/disconnection detection flag' (Un\G28).
When Input signal error/disconnection detection auto-clear enable/disable setting is set to Disable (1)
• When an analog input value falls within the normal range, if turning offonoff 'Error clear request' (Un\G70, b15), Normal
(0) is stored in the corresponding bit of 'Input signal error detection flag/disconnection detection flag' (Un\G28).
• Turning offonoff 'Operating condition setting request' (Un\G70, b9) allows the flag to be cleared.
Conversion completed flag
The conversion status can be checked.
b15 b14 b13 b12 b11 b10 b9
0
0
0
0
0
(2)
(1) 0: During conversion or unused, 1: Conversion completed
(2) The values of b8 to b15 are fixed to 0.
■Buffer memory address
The following shows the buffer memory address of this area.
Buffer memory name
Conversion completed flag
Conversion completed flag (in FX2N allocation mode function)
■The status of Conversion completed flag
When the first conversion is completed in the channel where conversion is enabled, the flag turns to Conversion completed
(1). Upon completion of the conversion of all the channels where conversion is enabled, 'Conversion completed flag' (Un\G69,
b14) turns on.
■Clearing Conversion completed flag
Turning offonoff 'Operating condition setting request' (Un\G70, b9) turns the flag back to the default (During conversion or
unused (0)), and when the first conversion is completed, the flag turns to Conversion completed (1) again.
APPX
442
Appendix 12 Buffer Memory Areas
b8
b7
b6
b5
b4
0
0
0
CH8
CH7
CH6
CH5
(1)
CH1
CH2
CH3
28
b3
b2
b1
b0
CH4
CH3
CH2
CH1
CH1
CH2
CH3
42
124
CH4
CH5
CH6
CH4
CH5
CH6
CH7
CH8
CH7
CH8

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