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3 . I n s t r u c t i o n S e t
M N 0 5 0 0 3 0 0 3 E F o r m o r e i n f o r m a t i o n v i s i t : w w w. e a t o n . c o m
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API Mnemonic
Operands
Function
269
D
BLD
S, n
Load NO Contact by Specified Bit
Bit Devices
Word devices
Program Steps
Type
OP
X Y M S K H KnX KnY KnM KnS T
C
D
E
F
S
*
*
*
*
*
*
n
*
*
*
*
*
*
*
*
*
*
*
BLD: 5 steps
DBLD: 9 steps
ELC ELCB
ELCM
PB PC/PA/PH
PV
PB PH/PA
32
16
P
32
16
P
32
16
P
32 16
P
32
16
P
Operands:
S
: Reference source address
n
: Reference bit address
Description:
1.
Available range for the value in operand
n
: K0~K15 for the 16-bit instruction; K0~K31 for the
32-bit instruction.
2.
The BLD instruction is used to evaluate the state of a bit in D0 and if that bit is ON in the
program below, the instruction will be true. If it’s OFF, the instruction will be false.
n
specifies
the bit in S. If bit 3 in D0 is a 1 in the program below, the instruction is true and output Y0 will
be energized. .
Program Example:
BLD
D0
K3
Y0
Instruction:
Operation:
BLD D0 K3
; Load NO contact with bit
status of bit3 in D0
OUT
Y0
; Drive coil Y0
Содержание ELC-PB
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