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Parker Products ViX250AE User Manual

Page 59

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VIX AE SERVO DRIVE USER GUIDE

52

Table of System Variables

Table 4-1 lists system variables in alphabetic order together with their read/write status and
range of values stored.

Var

Name

R

W

Range/default value

AB

Analogue
Deadband

Y

Y

0 to +255, default = 0

AI

Analogue Input

Y

N

-2047 to +2047

AM

Analogue Monitor
Mode

Y

Y

0 = torque monitor (default)
1 = velocity monitor
2 = outputs a triangular waveform –10V to +10V
amplitude, with a 1 second period

AO

Analogue Offset

Y

Y

-2047 to +2047, default = 0

BR

BAUD rate

Y

Y

9600 (default) or 19200 bits per second

CL

Current Clamp

Y

Y

1 to 100% (default) of peak drive current

DF

Drive Fault status

Y

N

See reporting of drive faults DF1,2,3 & 4

EI

Encoder Input

Y

Y

0=step/dir (default), 1=cw/ccw, 2=quad ABZ, de-
energise drive to change

EO

Encoder signal
Output

Y

Y

0=step/dir, 1=cw/ccw, 2=quad ABZ (default), de-
energise drive to change

ES

Energise Sense

Y

Y

Sets the sense of the external energise/energise_bar
signal
0=low signal to energise (default)
1=high signal to energise

EX

Comms. Response
Style & Echo
Control & Physical
Interface (RS232)

Y

Y

0= speak when spoken to, echo off, RS232
1= speak whenever, echo off, RS232
2= speak when spoken to, echo on, RS232
3= speak whenever, echo on, RS232 (default)

FT

Filter Time
constant

Y

Y

0 to 255 used to filter high gain systems, measured in
arbitrary units, default = 0

GF

Feedforward Gain
(tracking)

Y

Y

0 to 1023 default = 5

Table 4-1. List of System Variables

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