Ixnpm, Izone, Ix n p m – 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 247

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Language Reference • Reference

225

Publication 1398-PM601A-EN-P — October 2000

WORDS

IXnPm

Position, Latched

Interrupts

Purpose

Position of encoder m latched by encoder n index interrupt.

Syntax

variable = IXnPm

n

The number of the encoder source of the index interrupt: n = 1
or 2.

m

The number of the encoder from which position is read: m = 1
or 2.

variable

The variable may be a nonvolatile variable Gn, a volatile vari-
able Vn, or a system variable.

Remarks

When an encoder 1 index interrupt occurs, the position of encoder 1 is captured and
stored in the variable IX1P1.

See Also

IDXn, FIDXn

Example

V1 = IX1P1

V2 = IX2P2

G7 = IX1P2 - IX2P1

IZONE

Integrator Zone, Position Loop

Gain

Purpose

Set the region around the commanded position for which the position regulator inte-
grator is active. If IZONE is set to zero or KI = 0, the integrator is not active.

Syntax

IZONE = distance
variable =
IZONE

distance

Specifies a distance around the commanded position in user
units. User units are defined by the SCALE parameter. The
value can be a constant, a nonvolatile variable Gn, a volatile
variable Vn, or a system variable.

variable

The variable can be a nonvolatile variable Gn, a volatile vari-
able Vn, or a system variable.

Remarks

Changes made to this variable by a program are only in effect while the program is
running. When the program ends it will return to the value stored in the Personality
Module. If no change is made to this variable by the program, the value in the Per-
sonality Module is used. The value in the Personality Module is set in the Parameter
menu, Gains/Limits dialog box.

See Also

KI, KP, KPZ, PZONE, KFF, IGAIN

Example

IZONE = 0.1

IZONE = V2

V1 = IZONE

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