Panasonic FP E Series, User Manual, Page: 60 / 440

3-12
Note:
•
The operating time for the instructions is as follows.
F150 READ : 16.19+(0.84 x No. of words to read) µs
F151 WRITE : 17.88+(0.77 x No. of words to write) µs
•
If all areas are read and written in one scan, the scanning time may be over.
•
If you try to READ/WRITE data in multiple addresses in one scan, arrange the instructions using the
above operating time as a guide.
Battery error
When any error occurs in a backup battery, the input will be turned on as follows.
[Example] When installing in the expansion unit 1 (slot No. 0)
OFF Battery voltage is normal.
X100
ON
The battery voltage for memory backup decreased.
Or the memory backup SW is off.
Lights out Battery voltage is normal.
BATT LED (Red)
Lights
The battery voltage for memory backup decreased.
Or the memory backup SW is off.
Note:
•
If an error with a battery is detected, backup the data within one month and replace the unit with a new
one.
3.4.3 Other Expansion Units
For other FP
Σ
expansion units, the dedicated manuals are available.
Reference: <1.2.2 FP
Σ
expansion unit>