Rockwell Automation 1747-PTxx Getting Started Guide for HHT User Manual

Page 53

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Appendix A
Additional Ladder Program Exercises

A–6

3. Enter a rung and an XIC instruction. Press or enter the following:

A.

[F1] – INS_RNG

B.

[F1] – INS_INST

C.

[F1] – BIT

D.

[F1] —] [—

E.

I:1/0

F.

[ENTER]

G.

[F5] – ACCEPT

H.

[ESC]

4. Enter the Timer Instruction. Press or enter the following:

A.

[F2] – TMR/CNT

B.

[F1] – TON

C.

T4:0

(This is the Timer Address.)

D.

[ENTER]

E.

1000

(This is the Timer Preset Value in hundredths of a second.)

F.

[ENTER]

G.

0

(This is the Timer Accumulated Value.)

H.

[ENTER]

I.

[F5] – ACCEPT

J.

[ESC]

K.

[ESC]

L.

[F5] – ACP_RNG

5. Enter a second rung and an XIC instruction. Press or enter the following:

A.

[F1] – INS_RNG

B.

[F1] – INS_INST

C.

[F1] – BIT

D.

[F1] —] [—

E.

T4:0/14

(14 represents the timer timing bit.)

F.

[ENTER]

G.

[F5] – ACCEPT

<END>

] [

<END>

] [

(

TON

)

<END>

] [

] [

(

TON

)

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