Mitsubishi Electronics MELSEC-F Manuel D’Utilisation
E-32
5 Buffer Memory (BFM)
5.4 Buffer Memory Details
FX
3G
/FX
3U
/FX
3UC
PLC User's Manual - Analog Control Edition
FX
3U
-4DA (4-channel Analog Output)
5.4.16 BFM #41 to #44: Lower limit values of upper/lower limit function
BFM #45 to #48: Upper limit values of upper/lower limit function
Initial value: See below
Numeric data type: Decimal (K)
When the upper/lower limit function has been made valid by the setting of BFM #38, set the upper and lower
limit values to be used.
The setting range depends on the output mode.
limit values to be used.
The setting range depends on the output mode.
2. Cautions regarding upper and lower limit values setting
Check that the lower limit value is not equal to or more than the upper limit value.
If the lower limit value is equal to or more than the upper limit value, b6 of the error status (BFM #29) is turned
on.
If the lower limit value is equal to or more than the upper limit value, b6 of the error status (BFM #29) is turned
on.
1. Setting range of upper and lower limits and initial values
Output mode
[BFM #0]
Setting range
Initial value
Lower limit value
[BFM #41 to #44]
Upper limit value
[BFM #45 to 48]
0
-32640 to +32640
-32640
+32640
1
-10200 to +10200
-10200
+10200
2, 3
0 to +32640
0
+32640
4
0 to +20400
0
+20400