Mitsubishi Electric MELDAS 60 Series Programming Manual page 192

LDBII, ANDBII, ORBII ... Bit test of "B" contact handling
Bit device
X Y M L SM F
S1
n
LDBII
(Note)
ANDBII
ORBII
(Note)
In programming with the MELSEC PLC development tool (GX Developer), the
comparison operation command mentioned above is subsutituted and used.
Function
(1) A bit test of the 16-bit device is executed with "B" contact handling.
(2) The bit test results are as shown below.
Condition
When test bit is 0
When test bit is 1
Execution conditions
The execution conditions for LDBII, ANDBII and ORBII are as shown below.
Condition
LDBII
ANDBII
ORBII
Usable device
Word device
T C D R Z
n
< >
S1
< > S1
(Note)
< > S1
(Note)
Bit test results
Continuity
Non-continuity
Execution conditions
Executed per scan
Executed only when previous
contact command is ON
Executed per scan
Con-
Pointer
stant
K H P
n
n
- 184 -
LDBII, ANDBII, ORBII
Digit
No. of
desig-
Level steps Index
nation
N
2
Setting data
No. of device to
S1
execute bit test
Bit to execute bit
n
test