Release of emergency stop – IAI America ASEL User Manual

Page 284

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Part 2 Programs

Chapter 8 Real-T

ime Multi-T

asking

262

Part 2 Programs

4. Release of Emergency Stop

Default factory settings of parameters

“Other parameter No. 10, Emergency-stop recovery type” = 0

“Other parameter No. 11, Safety-gate open recovery type” = 0

“Other parameter No. 12, Recognition type during automatic operation” = 0

An emergency stop is actuated by turning the emergency-stop contact b input to OFF, and released

by turning the input to ON.

(1) Flow chart

(2) Timing chart

The selected program is executed from step 1.



The internal conditions of the controller during an emergency stop are as follows:

x

Programs

Aborted (excluding “I/O processing programs

operation when program is aborted”)

x

Output ports, local flags, local

variables

Cleared

x

Global flags, global variables

Retained

If the peripherals are to be controlled by program, create a management program beforehand and use

the program to control the peripherals. Alternatively, start (EXPG) or abort (ABPG) other programs in

accordance with the status of each general-purpose input.

Emergency stop is

actuated

Emergency stop

released?

Alarm

reset?

Ready

output ON?

Program number output

External start (000) input

NO

NO

NO

YES

YES

YES

Emergency-stop input

(contact b)

Ready output

Emergency-stop output

Teaching-pendant restart

input

External start input

General-purpose output

Emergency-stop release timing on ASEL Controller

0

0

0

0

0

0

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