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1 OVERVIEW
1.2.3 Operation control/transition control specifications
(1) Table of the operation control/transition control specifications
Item Specifications Remark
Expression
Calculation expression
Returns a numeric result.
Expressions for calculating indirectly specified data using constants and
word devices.
D100+1,SIN(D100), etc.
Conditional
expression
Bit conditional
expression
Returns a true or false result.
Expression for judging ON or OFF of bit device.
M0, !M0, M1*M0,
(M1+M2)*(!M3+M4), etc.
Comparison
conditional
expression
Expressions for comparing indirectly specified data and calculation
expressions using constants and word devices.
D100==100
D10<D102+D10, etc.
Bit devices
The input X/output Y are
written with the actual input
PX/actual output PY.
Device Symbol
Accessibility Usable tasks
Description
example
Read Write Normal Event NMI
Input
Input module
non-loaded
range
X
X100
It does the layout of the I/O
numbers of PX, PY by a set
up of as system.
(In the operation control
program/transition program,
automatically represented
as PX/PY according to the
system setting information.)
Input module
loaded range
PX
PX180
Output
Output module
non-loaded
range
Y
Y100
Output module
loaded range
PY
PY1E0
Internal relay M
M20
Multiple CPU
area device
Self
CPU
U
\G .
U3E0\G10200.A
Other
CPU
Link relay B
B3FF
Annunciator F
F0
Special relay SM
SM0
: Usable
: Unusable
CAUTION
<Restrictions on write-enabled bit devices>
1) Write to device X is allowed only within the input module non-installed range.
2) Special relay has predetermined applications in the system.
Do not perform write to other than the user setting device.
Word devices
Devices Symbol
Accessibility Usable tasks
Description
example
Read Write Normal Event NMI
Data register D
DOL
Link register W
W1F:F
Multiple CPU
area device
Self
CPU
U
\G
U3E0\G10100
Other
CPU
Special register SD
SD0
Motion register #
#0F
Coasting timer FT
FT
: Usable
: Unusable
CAUTION
<Restrictions on write-enabled word devices>
1) Special register has predetermined applications in the system.
Do not perform write to other than the user-set device.
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