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Allocation Areas
3-4
Allocation Areas
Bits and Words Allocated to the PC
Reference: Allocations cannot be made to the special use areas for data registers (D) and aux-
3-8
This chapter describes the types of area to which bits and words can be allocated,
and the ranges of these areas for each PC.
Bits and words can be allocated to Mitsubishi FX series PCs as follows.
Symbol
D
Data registers
M
Internal relays
T
Timers
C
Counters
S
State relays
X
Input relays
Y
Output relays
(*) Includes the PT status control area and PT status notify area
: Possible
: Possible (1 word only)
: For C0 to C199, 1 word possible; for C200 and higher,
2 words possible
: Not possible
iliary registers (M).
F Restrictions on Use
The restrictions and cautions that apply specifically when using a PT with the pro-
gramming console connector of a Mitsubishi FX series PC are presented here.
For details on other, general restrictions, refer to the Operation manual for the PT.
Screen switching
To switch screens by specifying a screen number in the "screen switch setting" of
the PT status control area, specify the screen number in BCD (binary coded deci-
mal).
Specifying memory table numbers
When specifying memory table numbers in the PT status control area, and when
specifying memory table numbers by indirect specification, use BCD (binary
coded decimal).
Setting the PT Clock function
When setting the time with the PT's internal clock function, specify the value in
BCD (binary coded decimal).
Area Name
Chapter 3-4
Word
Bit
Numeric
Character
Value
String
(*)
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