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Mitsubishi Electric MELSEC iQ-F FX5 User Manual Page 143

Analog control - intelligent function module.
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CH1 Minimum value
The minimum value of the digital operation value is stored in 16-bit signed binary value.
In the following cases, 'CH1 Minimum value' (Un\G406) is updated with the current value.
• When 'Operating condition setting request' (Un\G70, b9) is turned offonoff, and the setting is changed
• When 'Minimum value reset request' (Un\G474) is turned offonoff
■Buffer memory address
The following shows the buffer memory address of this area.
Buffer memory name
CH Minimum value
CH Minimum value (In FX3 allocation function
mode)
• For the channel to which the averaging processing is specified, the maximum and minimum values are
stored at every averaging processing time.
• When the scaling function, shift function, digital clipping function, or difference conversion function is used,
values calculated by each function are stored in Maximum value and Minimum value.
CH1 Difference conversion state flag
The difference conversion status can be checked.
Monitor value
0
1
When the difference conversion starting after 'CH1 Difference conversion trigger' (Un\G470) is changed from No request (0)
to Trigger request (1), 'CH1 Difference conversion state flag' (Un\G408) corresponding to the channel turns to Converting
difference (1).
When 'CH1 Difference conversion trigger' (Un\G470) is changed from Trigger request (1) to No request (0), 'CH1 Difference
conversion state flag' (Un\G408) is changed from Converting difference (1) to Not converted (0).
'CH1 Difference conversion state flag' (Un\G408) is Converting difference (1) during the difference conversion; Not converted
(0) if not in the difference conversion state.
■Buffer memory address
The following shows the buffer memory address of this area.
Buffer memory name
CH Difference conversion state flag
CH Difference conversion state flag (In FX3
allocation mode function)
CH1 Logging hold flag
The logging holding status can be checked.
For details on the logging function, refer to the following.
Page 59 Logging function
Monitor value
0
1
When a state that data is collected in 'CH1 Logging data' (Un\G10000 to Un\G19999) changes to the stop state, 'CH1 Logging
hold flag' (Un\G409) is turned to ON (1).
When logging restarts by changing 'CH1 Logging hold request' (Un\G471) from ON (1)  OFF (0), 'CH1 Logging hold flag'
(Un\G409) is turned to OFF (0).
CH1
CH2
406
606
101
102
Description
Not converted
Converting difference
CH1
CH2
408
608
1361
1362
Description
OFF
ON
CH3
CH4
806
1006
103
104
CH3
CH4
808
1008
1363
1364
Appendix 4 Buffer Memory Areas
A
APPX
141

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