Related Manuals for Siemens CPU 414-4H
Summarization of Contents
Address Identifier and Parameter Ranges
Address Identifier and Parameter Ranges, continued
Continues the list of address identifiers and their corresponding parameter ranges for S7-400 CPUs.
Abbreviations and Mnemonics
Abbreviations and Mnemonics, continued
Provides further abbreviations and mnemonics used in the Instruction List for S7-400 CPUs.
Registers
ACCU1 to ACCU4 (32 Bits)
Details the accumulators (ACCU1-ACCU4) used for processing data and their bit assignments.
Address Registers AR1 and AR2 (32 Bits)
Describes the address registers AR1 and AR2 used for indirect addressing with pointers.
Status Word (16 Bits)
Explains the bits within the 16-bit status word and their assignments and descriptions.
Examples of Addressing
Immediate Addressing
Demonstrates loading constants directly into ACCU1 using various data types.
Direct Addressing
Shows examples of directly addressing inputs, outputs, and memory bits/words.
Indirect Addressing of Timers/Counters
Illustrates indirect addressing for timers and counters using local data words.
Area-Internal Memory-Indirect Addressing
Provides examples of indirect addressing using memory areas as pointers.
Execution Times with Indirect Addressing
Calculating the Execution Time
Explains the method for calculating total execution time for indirect addressing instructions.
Examples of Calculations
Calculating the Execution Times for Area-Internal Memory-Indirect Addressing
Step-by-step calculation example for execution times of area-internal memory indirect addressing.
Bit Logic Instructions
Bit Logic Instructions, continued
Details further bit logic instructions, including address identifiers and execution times.
Bit Logic Instructions with Parenthetical Expressions
Bit Logic Instructions with Parenthetical Expressions, continued
Continues the description of bit logic instructions using parenthetical expressions.
Logic Instructions with Timers and Counters
Logic Instructions with Timers and Counters, continued
Details logic instructions that interact with timers and counters, including execution times.
Word Logic Instructions with the Contents of Accumulator 1
Word Logic Instructions with the Contents of Accumulator 1, continued
Continues the explanation of word logic instructions involving accumulator contents.
Evaluating Conditions Using AND, OR and EXCLUSIVE OR
Evaluating Conditions Using AND, OR and EXCLUSIVE OR, continued
Covers continued evaluation of conditions using logical AND, OR, and EXCLUSIVE OR operations.
Setting/Resetting Bit Addresses
Setting/Resetting Bit Addresses, continued
Explains setting and resetting bit addresses based on RLO, with execution times.
Timer Instructions
Timer Instructions, continued
Details further timer instructions, including their functions and execution times.
Counter Instructions
Counter Instructions, continued
Continues the description of counter instructions and their execution times.
Load Instructions
Load Instructions, continued
Continues detailing load instructions for various data types and areas.
Transfer Instructions
Transfer Instructions, continued
Details further transfer instructions for moving data between ACCU1 and operands.
Load and Transfer Instructions for Address Registers
Load and Transfer Instructions for Address Registers, continued
Continues instructions for loading and transferring data to/from address registers.
Floating-Point Math (32 Bits)
Floating-Point Math (32 Bits), continued
Continues the discussion of floating-point math operations on 32-bit numbers.
Shift Instructions
Shift Instructions, continued
Continues the explanation of shift instructions for accumulator contents.
Rotate Instructions
Rotate Instructions, continued
Details further rotate instructions for accumulator contents.
Accumulator Transfer Instructions, Incrementing and Decrementing
Accumulator Transfer Instructions, Incrementing and Decrementing, continued
Continues accumulator transfer instructions, including increment and decrement operations.
Data Type Conversion Instructions
Data Type Conversion Instructions, continued
Details further data type conversion instructions for various data formats.
Block Call Instructions
Block Call Instructions, continued
Continues the description of block call instructions for FBs, SFBs, FCs, and SFCs.
Jump Instructions
Jump Instructions, continued
Continues the explanation of conditional and unconditional jump instructions.
Instructions for the Master Control Relay (MCR)
Instructions for the Master Control Relay (MCR), continued
Details MCR activation, deactivation, and related instructions.
Oganization Blocks (OB)
Oganization Blocks (OB), continued
Lists organization blocks (OBs) and their associated start events for S7-400 CPUs.
System Functions
System Functions
Details system functions (SFCs) available on S7-400 CPUs and their execution times.
System Function Blocks
System Function Blocks
Lists system function blocks (SFBs) and their execution times for S7-400 CPUs.
Sublist of the System Status List (SSL)
Sublist of the System Status List (SSL), continued
Continues the sublist of system status list identifiers and their information functions.
Alphabetical Index of Instructions
Alphabetical Index of Instructions
Provides an alphabetical index of instructions with corresponding page numbers.
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