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Rockwell Automation 1772-LP3 PLC - 2/30 Programmable Controller Programming and Operations Manual User Manual

Page 119

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Timer and Counter Instructions

Chapter 5

5Ć21

Table 5.D

Average Execution Times for Instructions Described In Chapters 3

Through 8 When Instruction is TRUE

Instruction Name

Symbol

Execution Time in

Microseconds

Examine On

1

Examine Off

1

Output Energize

1

Output Latch

1

Output Unlatch

1

-|ą|-

-| / |-

-(ą)-

-( L )-

-( U ) -

4

4

4.8

4.8

4.8

Timer OnĆDelay

1

Timer OffĆDelay

1

Retentive TimerĆOn Delay

1

Retentive Timer Reset

1

Up Counter

1

Down Counter

1

Scan Counter

1

Counter Reset

1

-(TON)-

-(TOF)-

-(RTO)-

-(RTR)-

-(CTU)-

-(CTD)-

-(SCT)-

-(CTR)-

18.6

18.6

18.6

4.8

19.6

19.6

17.6

4.8

Get

1

Put

1

-| G |-

-(PUT)-

5.8

6.6

Les

1

Equ

1

-| < |-

-| = |-

7.4

6.6

Get Byte

1

Limit Test

1

-| B |-

-| L |-

4.5

4.5

Add

1

Subtract

1

Multiply

1

Divide

1

BCDĆBIN

1

BINĆBCD

1

-(+)-

-(-)-

-(x)-

-(:)-(:)-

[CONVERT] [0]

[CONVERT] [1]

8.6

8.6

51.0

91.0

59.6

37.2

Branch Start

1

Branch End

1

3.2

3.2

Zone Control Last State

1 2

Master Control Reset

1

-(ZCL)-

-(MCR)-

7.6

3.6

Immediate Input

1

Immediate Output

1

-| I |-

-(IOT)-

62.2

77.4

Jump

Jump to Subroutine

Label

Return

-(JMP)-

-(JSR)-

- LBL -

-(RET)-

13.4

12.0

3.8

6.4

End

Temporary End

Subroutine Area

[END]

[T.END]

[SHIFT] [SBR]

<1

<1

<1

1

For this instruction, add 3.4 microseconds when its address is > 400

8

..

2

Instructions within zone increase by 1.2 microseconds per word when the zone controls outputs.