Rockwell Automation 1761-HHP-B30 MicroLogix 1000 with Hand-Held Programmer (HHP) User Manual

Page 414

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Appendix B
Programming Reference

B–19

Mnemonic

False Execution Time

(approx.

µ

seconds)

True Execution Time

(approx.

µ

seconds)

Memory Usage

(user words)

Name

Instruction Type

RET

3.16

31.11

0.50

Return from Subroutine

Program Flow Control

RST

3.16

4.97

0.75

Reset

Basic

RTO

27.49

38.34

1.00

Retentive Timer

Basic

SBR

LD SBR

0.99

1.45

0.50

Subroutine

Program Flow Control

SCL

6.78

169.18

1.75

Scale Data

Math

SET

3.16

4.97

0.75

Set

Basic

SQC

27.40

60.52

2.00

Sequencer Compare

Application Specific

SQL

28.12

53.41

2.00

Sequencer Load

Application Specific

SQO

27.40

60.52

2.00

Sequencer Output

Application Specific

SQR

6.78

71.25

1.25

Square Root

Math

STD

3.16

6.69

0.50

Selectable Timer
Interrupt Disable

Application Specific

STE

3.16

10.13

0.50

Selectable Timer
Interrupt Enable

Application Specific

STS

6.78

24.59

1.25

Selectable Timer
Interrupt Start

Application Specific

SUB

6.78

33.52

1.50

Subtract

Math

SUS

7.87

10.85

1.50

Suspend

Program Flow Control

TND

3.16

7.78

0.50

Temporary End

Program Flow Control

TOD

6.78

49.64

1.00

Convert to BCD

Data Handling

TOF

31.65

39.42

1.00

Timer Off-Delay

Basic

TON

30.38

38.34

1.00

Timer On-Delay

Basic

XOR

6.92

33.64

1.50

Exclusive Or

Data Handling

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