Dislim, Do/while – Rockwell Automation 1398-PDM-xxx IQ Master Version 3.2.4 for IA-2000 and IQ-5000 Positioning Drive Modules, IQ-55 User Manual

Page 218

Advertising
background image

196

Language Reference • Reference

Publication 1398-PM601A-EN-P — October 2000

WORDS

DISLIM

Travel Limits Disable

System

Purpose

Disables the hardware travel limits when set to ON. Enables the inputs when OFF.

Syntax

DISLIM = value
variable
= DISLIM

value

The value can be ON, OFF, a nonvolatile flag Bn, a volatile flag
Fn, or another system flag.

variable

The variable may be a nonvolatile flag Bn, a volatile flag Fn, or
another system flag.

Remarks

Regardless of the state of this flag, the limit switches, inputs 1 and 2, may be read. For
example:

F1 = I1

;read forward limit switch

F2 = I2

;read reverse limit switch

The travel limit switches must be enabled (HLIMITS = ON) for DISLIM to have any
effect.

Changes made to this flag by a program are only in effect while the program is run-
ning. When the program ends it will return to the setting stored in the Personality
Module.

See Also

HLIMITS

Example

DISLIM = ON

;Disable the hardware travel limits

DISLIM = OFF

;Enable the hardware travel limits

DO/WHILE

Do/While

Program Structure

Purpose

The DO statement WHILE condition executes the statement(s) between DO and
WHILE repeatedly as long as the condition specified is TRUE. The statements are
executed and then the condition is tested. If the condition is TRUE, execution jumps
back to the statement following the DO. If the condition is FALSE, execution contin-
ues with the statement after the WHILE.

Syntax

DO statement WHILE condition

statement(s)

Any valid language statement. Multiple statements can enclosed
in curly braces {}.

Advertising