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
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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