Yaskawa MP940 - Manual (Page 37)

Specifications and Functions
2.3.4 Ladder Instructions and Standard System Functions
2-14
Relay Circuit In-
structions NO CONTACT No limit in a series circuit.
Bit designation of any register as a relay number is possible.
NC CONTACT No limit in a series circuit.
Bit designation of any register as a relay number is possible.
RISING PULSE No limit in a series circuit.
Bit designation of any register as a relay number is possible.
FALLING
PULSE No limit in a series circuit.
Bit designation of any register as a relay number is possible.
10-MS ON-DE-
LAY TIMER
10-MS OFF-
DELAY TIMER
1-S ON-DELAY
TIMER
1-S OFF-DE-
LAY TIMER
COIL
SET COIL
MB000010 turns ON when MB000000 turns ON. From then onwards, it
remains ON even when MB000000 turns OFF.
RESET COIL
MB000010 turns OFF when MB000020 turns ON. From then onwards,
it remains OFF even when MB000020 turns OFF.
Branching/con-
vergence A branching or convergence symbol can be connected to any of the
above relay instructions.
Logic Operation
Instructions AND Integer designation of any register or constant is possible.
OR Integer designation of any register or constant is possible.
XOR Integer designation of any register or constant is possible.
ADDITION + Ordinary numeric addition (with operation error)
MW00280 + 00100 MW00220
SUBTRAC-
TION - Ordinary numeric subtraction (with operation error)
MW00280 - 00100 MW00220
EXTENDED
ADDITION ++ Closed numeric addition (without operation error)
EXTENDED
SUBTRAC-
TION -- Closed numeric subtraction (without operation error)
Type Name Symbol Description
Set value: Timer register
Set value = Any register or constant (setting unit: 10 ms)
Timer register = M or D register
Ts
s
Set value: Timer register
Set value = Any register or constant (setting unit: 1 s)
Timer register = M or D register
Ts
MW0200 ＝ 0001
MB000000
MB000000
IFON
MB000010 MB000000
MB000010 MB000020
∧
∨
⊥
⇒
⊥
⇒
0 32767 32768 0 → – → →
0 32768 32767 0 → – → – →