Mitsubishi Electric F920GOT-BBD-K-E, Hardware Manual

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GOT-F900 SERIES (CONNECTION) Appendix 23
23-8
23.2.2 Assigning Device to Check Battery Voltage Drop
It is necessary to assign the device to monitor drop of the battery voltage of the GOT-F900 using the
screen creation software.
1) In the case of screen creation software (GT Designer2)
In the sequence program example shown below, the write device is set to "D20".
D24 b3: Battery voltage drop detection (When the battery voltage drops, this bit turns ON.)
System signal 2
For the details of the system information, refer to the GOT-F900 OPERATION MANUAL (GT
Designer2) or the manual of the screen creation software.
When a data file created using the DU/WIN is used (only in the GOT-F900) or when the data is read
from the GOT-F900, execute the following procedure.
A sequence program example is equivalent to the example shown for the DU/WIN later.
Operating procedure Tool menu
Select "Common"-"System Environment".
Click "System Information" in the tree displayed on the "System
Environment" dialog box, then set "Write Device".
Tree in the project work space
Double-click "Common"-"System Environment".
Click "System Information" in the tree displayed on the "System
Environment" dialog box, then set "Write Device".
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
Battery voltage drop detection
Operating procedure Tool menu
Select "Common"-"System Environment".
Click "Interface Device" in the tree displayed on the "System Environment"
dialog box, then set "Bit Device".
Tree in the project work space
Double-click "Common"-"System Environment".
Click "System Information" in the tree displayed on the "System
Environment" dialog box, then set "Read Device".
M23
(battery voltage drop
detection)
Y000
Indication outside the PLC
M800
(RUN monitor)
MOV D24 K3M20
D24
→
M31 to M20