C
hapter
Ⅳ
P
rogramming on
FAB
panel
Fig. 4.21 Set Password Frame
4.4 Edit a FAB function program
During the editing of a FAB function program, special attention need be paid to
some programming rules, the application of the mid-relays and how to use FAB’
s operation key panel with LCD to edit the FAB function program.
Note: If you directly enter “Editor…” to do an editing without reading an exist-
ing program, the editing will begin with B01. If you want to save the existing
program and continue your editing, you should read the to-be edited program
from ROM→FAB and then edit it from “Editor...”.
4.4.1 Programming rules
Rule 1: A complete line diagram is needed before the input of circuit, and on
this diagram to-be used intermediate relay should be marked. You can also di-
rectly draw this diagram by using QUICKⅡ, and then adjust the sequence num-
ber of the blocks according to Rule 2 and Rule 3.
Rule 2: The input of circuit is always from input to output, with the cause rst
and result next. The sequence number of the cause blocks must be smaller than
that of the result ones. If the blocks have no consequence between them, their
sequence numbers have no relation.
53
Set Real Time Clock (hour: minute: second)
Set Date (year: month: day)
Set Week
Set password
10:49:04
2000/06/02
Day SU
5678
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