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Sensaphone SCADA 3000 Users manual User Manual

Page 20

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xviii

SCADA 3000 User’s Manual

Setting Up Gauges .................................................................................................14-25
Setting Up the Strip Chart ......................................................................................14-26

Placing Audio and Video elements on the Palette .....................................................14-28

Playing an Audio or Video Message .......................................................................14-28

Placing Dynamic elements on the Palette .................................................................14-29

Real-Time Output Control ......................................................................................14-31

Saving the Real-Time Screen .....................................................................................14-32

Loading A Real-time Screen for editing .................................................................14-32
Running the Real-Time Screen ...............................................................................14-32

Chapter 15: LADDeR LOGIC PROGRAmmING ..................................... 15-1

Rules/Conventions of Ladder Logic Programming ......................................................15-2
Description of Ladder elements and Functions ...........................................................15-2

XIC Instruction (Examine if Closed) ...................................................................15-3
XIO Instruction (Examine if Open) .....................................................................15-3
OTE Instruction (Output Energize) .....................................................................15-4
OTL Instruction (Output Latch) .......................................................................15-4
OTU (Output Unlatch) ......................................................................................15-4
OSR (One-Shot Rising) ......................................................................................15-5
TON (Timer On-Delay) ......................................................................................15-5
TOF (Timer Off-Delay) .......................................................................................15-6
RTO (Retentive Timer) ........................................................................................15-7
CTU (Count-Up Counter) ..................................................................................15-8
CTD (Count-Down Counter) ..............................................................................15-9
RES (RESET) .....................................................................................................15-10
MOV (Move) ....................................................................................................15-11

COmPARISON INSTRUCTIONS ...........................................................................15-11

NEQ (NOT EQUAL) ........................................................................................15-12
LES (LESS THAN) .............................................................................................15-12
LEQ (LESS THAN OR EQUAL) .........................................................................15-13
GRT (GREATER THAN) ....................................................................................15-13
GEQ (GREATER THAN OR EQUAL) ................................................................15-14

math Instructions ..................................................................................................15-14

ADD (Addition) ...............................................................................................15-14
SUB (Subtraction) .............................................................................................15-15
MULT (Multiplication) ......................................................................................15-15
DIV (Division)...................................................................................................15-16
POW (A to the Power of B) ...............................................................................15-16

Ladder Logic Program Development ........................................................................15-17

Conserving Memory with Windows 95 and 98 ......................................................15-17

Starting a new Ladder Program ................................................................................15-17