Rockwell-automation 1761 MicroLogix 1000 Programmable Controllers Manual de usuario descargar pdf (Pagina 186)

100

101

Preface

MicroLogix 1000 Programmable Controllers User Manual

10–8

Temporary End (TND)

This instruction, when its rung is true, stops the controller from scanning the rest of

the program file, updates the I/O, and resumes scanning at rung 0 of the main

program (file 2). If this instruction’

s rung is false, the controller continues the scan

until the next TND instruction or the END statement. Use this instruction to

progressively debug a program, or conditionally omit the balance of your current

program file or subroutines.

Note If

you use this instruction inside a nested subr

outine, execution of all nested

subr

outines is terminated.

Do not execute this instruction fr

om the user err

or fault r

outine (file 3), high-speed

counter interrupt r

outine (file 4), or selectable timed interrupt r

outine (file 5)

because a fault will occur

Suspend (SUS)

When this instruction is executed, it causes the controller to enter the Suspend Idle

mode and stores the Suspend ID in word 7 (S:7) at the status file. All outputs are

de-energized.

Use this instruction to trap and identify specific conditions for program debugging

and system troubleshooting.

Entering Parameters

Enter a suspend ID number from –32,768 to +32,767 when you program the

instruction.

Execution Times

(µsec) when:

True False

7.78 3.16

(TND)

Execution Times

(µsec) when:

True False

10.85 7.87

SUS

SUSPEND

Suspend ID

1 2 ... 181 182 183 184 185 186 187 188 189 190 191 ... 421 422

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