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FX2N-5A Special function block Buffer Memory (BFM) 7
7-34
7.2.20 BFM 29 Error status
The error information is assigned to each bit of BFM 29.
Table 7.7: Bit assignment in BFM 29
Bit No. Assignment Description
b0 Error detected b0 is ON if at least one output of b1 to b5 is ON.
b1
Offset/gain set value error or
Scaling function setting error.
Offset/gain value or Scaling function value is outside
setting range.Set a correct value. Previously valid values or
default values are used.
b2 Power error External 24 V power is not supplied.
b3 Hardware error FX
2N
-5A hardware error (EEPROM, MCU periphery)
b4 A/D conversion value error
A/D conversion value is out of range / wire break.
See scale over data (BFM 28)
b5 D/A conversion value error
D/A conversion value is out of range, value in BFM 14/BFM
15 is too large.
b6 reserved
b7 reserved
b8 Set value error detected This bit is ON while either bit among b9 to b15 is ON.
b9 Input/output mode setting error
Input/output mode (BFM 0, BFM 1) is incorrectly set.
Set it within range from 0 to B or F (BFM 0) or 0 to A
(BFM 1).