Mitsubishi Electric FX2N-8AD User Manual page 32

FX2N-8AD Analog input block
Table 8.1: BFM Lists
BFM
No.
#18 Reserved
Disables setting change of I/O characteristics
#19 (BFM #0, BFM #1, BFM #21) and convenient functions (BFM #22).
Disables change.: K2, Enables change.: K1
Initializes functions.
#20 (Initializes functions at K1, then returns automatically to K0 after
initialization is completed.)
Writes I/O characteristics. (Returns automatically to K0 after write of
#21
offset/gain value is finished.)
Sets convenient functions (data addition, upper/lower limit value
#22
detection, sudden change detection and peak value hold).
#23 Reserved
#24 Specifies high-speed conversion channel.Setting range: K0 to K8
#25 Reserved
#26 Upper/lower limit value error status (valid while BFM #22 b1 is ON)
A/D data sudden change detection status
#27
(valid while BFM #22 b2 is ON)
#28 Scale over status and disconnection detection
#29 Error status
#30 Model code (K2050)
#31 Reserved
Description
Buffer Memory (BFM) 8
Hold against
Initial value
power failure
⎯ ⎯
K1 at shipment
⎯
K0
⎯
K0
K1 at shipment
⎯
K0
K1 at shipment
⎯
K0
⎯
K0
⎯
K0
⎯
K0
⎯
K0
⎯
K2050
⎯ ⎯
8-4