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Yaskawa MP920 User's Manual Design User Manual

Page 59

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2.1 Specifications

2-33

2

Relay Circuit
Instruction
(cont’d)

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-DELAY
TIMER

Set value: Timer register

Set value: Timer register
Set value = any register or constant (setting unit: 10 ms)
Timer register = M or D register

10-MS OFF-DELAY
TIMER

1-S ON-DELAY
TIMER

Set value: Timer register

Set value = any register or constant (setting unit: 10 ms)
Timer register = M or D register

1-S OFF-DELAY
TIMER

COIL

SET COIL

MB000010 turns ON when MB000000 is ON. Then, MB000010
will stay ON if MB000000 turns OFF.

RESET COIL

MB000010 turns OFF when MB000020 is ON. Then, MB000010
will stay OFF if MB000020 turns OFF.

Branching/
convergence

A branching or convergence symbol can be connected to any of the
above relay instructions.

Logic Operation
Instructions

AND

V

Integer designation of any register or constant is possible.

OR

V

Integer designation of any register or constant is possible.

XOR

Integer designation of any register or constant is possible.

Numeric
Operation
Instructions

ADDITION +

Ordinary numeric addition (with operation error)

SUBTRACTION

Ordinary numeric subtraction (with operation error)

EXTENDED
ADDITION

++

Closed numeric addition (without operation error)
0

→ 32767 → -32768 → 0

Table 2.23 Ladder Instructions (cont’d)

Type

Name

Symbol

Description

T

T

T

S

S

S

MW0200 = 0001

MB000000

MB000000

IFON

S

MB000010

MB000000

S

R

MB000010

MB000020

R

MW00280 + 00100

MW00220

MW00280 - 00100

MW00220