Allocation Areas - Omron PC CONNECTION - 04-1997 Operation Manual

Allocation Areas

2-4 Allocation Areas
Bits and Words Allocated to the PC
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 A series PCs as follows.
Symbol
D Data registers
M Internal relays
T Timers
C Counters
L Latching relays
Link relays
B
(hexadecimal input)
Link registers
W
(hexadecimal input)
Input relays
X
(hexadecimal input)
Output relays
Y
(hexadecimal input)
R File registers
(*) Includes the PT status control area and PT status notify area
: Possible
F Restrictions on Use
The restrictions and cautions that apply specifically when using a PT with a com-
puter link system that uses Mitsubishi A series PCs are presented here. For de-
tails 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).
Area Name
Possible (1 word only)
Chapter 2-4
Word
Bit
Numeric
Value


: Not possible
Character
String(*)


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