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KronoTech
PLC
Ladder Logic
Table of Content
Basic
XIC
XIO
OTE
ONS
OTL
OTU
Basic Motors
Counters
Timer
Arithmetic
Comparison
Functions
Trig Functions
RSLogix 5000
Structured Text
HMI
Instruments
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Ladder Logic in a Nutshell is an easy guide to Ladder Logic Programming. This book has been designed to thoroughly examine all the basic instructions in Ladder Logic in an easy step by step methode.
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Chapter 1 : PROGRAMMABLE LOGIC CONTROLLERS
- PROGRAMMABLE LOGIC CONTROLLER (PLC)
- INTRODUCTION
- ADVANTAGES AND DISADVANTAGES
- VISUAL OBSERVATION
- LADDER LOGIC
- I/O Modules INPUT / OUTPUT
- RACKS AND CHASIS
- INPUT AND OUTPUT MODULES
- PROGRAMMING LANGUAGES
- CONNECTIONS
Chapter 2: BASIC INSTRUCTIONS
- INTRODUCTION
- DEFINITION
- XIC - Examine if Closed
- XIO - Examine if Open
- OTE - Output Energize
- OTL - Output Latch
- OTU - Output Unlatch
- OSR - One-Shot Rising
- TON - Time On-Delay
- TOF - Timer Off-Delay
- RTO - Retentive Timer
- CTU - Count UP
- CTD - Count Down
- RES - Reset
Chapter 3 : MATH INSTRUCTIONS
- INTRODUCTION
- STATUS FILE
- DEFINITION
- PRACTICE
- ADD - Adding
- SUB - Subtract
- MUL - Multiply
- DIV - Divide
- DDV - Double Division
- CLR - Clear
- SQR - Square Root
- SCP - Scale with Parameter
- SCL - Scale Data
- ABS - Absolute Value
- CPT - Compute
- SWP - Swap
- XPY - X to the Power of Y
- ASN - Arc Sine
- ACS - Arc Cosine
- ATN - Arc Tangent
- COS - Cosine
- LN - Natural Log
- LOG - Log to the Base 10
- SIN - Sine
- TAN - Tangent
Chapter 4: COMPARISON
- INTRODUCTION
- DEFINITION
- EQU - Equal
- NEQ - Not Equal
- LES - Less Than
- LEQ - Less Than or Equal
- GRT - Greater Than
- GEQ - Greater or Equal
- MEQ - Masked Comparison for Equal
- LIM - Limit Test
Chapter 5: FLOW CONTROL
- INTRODUCTION
- DEFINITION
- JMP / LBL - Jump / Label
- JSR / SBR / RET - Jump to subroutine / Subroutine / Return
- MCR - Master Control Reset
- TND - Temporary End
- SUS - Suspend
- IIM - Immediate Input with Mask
- IOM - Immediate Output with Mask
- REF - Refresh
Chapter 6: DATA HANDLING INSTRUCTIONS
- INTRODUCTION
- DEFINITION
- TOD - Convert BCD
- FRD - Convert From BCD
- DEG - Convert from Radians to Degrees
- RAD - Convert from Degrees to Radians
- DCD - Decode 4 to 1 of 16
- ENC - Encode 1 of 16 to 4
- COP / FLL - Copy File / Fill File
- MOV - Move
- MVM - Masked with Move
- AND - Boolean AND
- OR - Boolean OR
- XOR - Boolean XOR
- NOT - Boolean NOT
Chapter 7: STACKERS AND ARRAYS
- DEFINITION
- BSL / BSR - Bit Shift Left / Bit Shift Right
- FFL / FFU - FIFO Load / FIFO unload
- LFL / LFU - LIFO Load / LIFO Unload
Chapter 8: STEP BY STEP
- Flash Code
- Toggle Push Button
- Motor Logic
- Jump Simulation
- JSR Simulation
- BSR Bit Shift Right
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