GE Fuji Electric MICRO-SAVER AF-300, Руководство для стартапов

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3-14 3-15
Hexadecimal expression
A 16-bit binary number is expressed in hexadecimal format (4 digits). Table 3.8 shows the expression. The hexadeci-
mals are shown as they appear on the LED monitor.
Table 3.9 Binary and Hexadecimal conversion
Binary Hexadecimal Binary Hexadecimal
0 0 0 0 0 1 0 0 0 8
0 0 0 1 1 1 0 0 1 9
0 0 1 0 2 1 0 1 0 A
0 0 1 1 3 1 0 1 1 b
0 1 0 0 4 1 1 0 0 C
0 1 0 1 5 1 1 0 1 d
0 1 1 0 6 1 1 1 0 E
0 1 1 1 7 1 1 1 1 F
3.7 Checking I/O Signal Status – ”I/O checking”
With Menu #4 “I/O checking,” you may display the I/O status of external signals without using a measuring instru-
ment. External signals that can be displayed include digital I/O signals and analog I/O signals. Table 3.9 lists check
items available. The status transition for I/O checking is shown in Figure 3.8.
Figure 3.8 Status Transition of I/O Check
Basic key operation
(1) With the menu displayed, use the and keys to select “I/O check”(4. _o).
(2) Press the key to display the codes for the I/O check item list. (e.g. 4_00)
(3) Use the and keys to select the desired I/O check item, then press the key.
The corresponding I/O check data will appear. For control I/O signal terminal and control circuit terminal input
under communication control, use the and keys to select one of the two different display methods.
(4) Press the key to return to the I/O check item list. Press the key again to return to the menu.
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