Eaton ELC-PB, Programming Manual

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3 . I n s t r u c t i o n S e t
M N050 03003E F or mo re infor ma tio n vi sit:
w w w. e a t o n . c o m
3-269
API Mnemonic Operands Function
89 PLS
S
Rising-edge Output
Bit Devices Word devices Program Steps
Type
OP
X Y M S K H KnX KnY KnM KnS T C D E F
S * *
PLS: 3 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
: Rising edge pulse output
Description:
When X0=OFF
→
ON (rising-edge trigger), the PLS instruction will be executed and M0 will be On for
one program scan..
Program Example:
Ladder Diagram:
X0
M0 PLS
M0
Y0 SET
Timing Diagram:
X0
M0
Y0
A scan cycle
Instruction: Operation:
LD X0 ; Load A contact of X0
PLS M0
; M0 rising-edge output
LD M0 ; Load the contact A of M0
SET Y0 ; Y0 latched (ON)