Off (Normally Closed Contact) - Mitsubishi Electric R16MTCPU Programming Manual

OFF (Normally closed contact): !

Format
!(S)
Setting data
■Usable Data
: Usable
Setting Usable Data
data
Bit
device

(S)
■Description, data type of result
Setting data Description
(S) Bit device used in bit conditional expression
Processing details
• True is returned when the bit device specified with (S) in a bit conditional expression is OFF (0), or false is returned when
that bit device is ON (1).
Operation error
An operation error will occur if:
• (S) is an indirectly specified device and its device No. is outside the range.
Program example
■Program which resets M100 when M0 is OFF (0)
RST M100 = !M0
M100 0
4 OPERATION CONTROL PROGRAMS
178
4.10 Bit Device Statuses
Number of basic steps
4
Word device
16-bit 32-bit 64-bit
integer integer floating
type type (L) point
type (F)
  
!M0
Usable steps
F/FS

Constant
16-bit 32-bit 64-bit
integer integer floating
type type point
(K/H) (K/H, L) type (K)
  
0 (True)
G

Calculation Bit
expression conditional
expression
 
Data type of result
Logical type (true/false)
Comparison
conditional
expression
