Mitsubishi Electric Q173DSCPU - Bit Device Statuses; ON (Normally Open Contact): (None)

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5 OPERATION CONTROL PROGRAMS
F/FS G
5.8 Bit Device Statuses
5.8.1 ON (Normally open contact) : (None)
Format (S) Number of basic steps 2
[Usable data]
Setting
data
Usable Data
Bit device
Word device Constant
Calculation
expression
Bit
conditional
expression
Comparison
conditional
expression
16-bit
integer
type
32-bit
integer
type (L)
64-bit
floating
point
type (F)
Coasting
timer
16-bit
integer
type (K/H)
32-bit
integer type
(K/H, L)
64-bit
floating
point
type (K)
(S)
— — — — — — — — — —
: Usable
[Setting data]
Setting data Description Data type of result
(S) Bit device used in bit conditional expression Logical type (true/false)
[Functions]
(1) True is returned when the bit device specified with (S) in a bit conditional
expression is ON (1), or false is returned when that bit device is OFF (0).
[Errors]
(1) An operation error will occur if:
• (S) is an indirectly specified device and its device No. is outside the range.
[Program examples]
(1) Program which sets M100 when either of M0 and X0 is ON (1)
SET M100 = M0 + X0
M100
1
(True)
M0
1
0
+
X0 (True)
(False)