Siemens SINUMERIK 840D Programming Guide

15
Tables 04.00
15.2 List of s
y
stem variables
15

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15-536
SINUMERIK 840D/840Di/810D/FM-NC Programming Guide Advanced (PGA) – 04.00 Edition
Identifier Type Description: System variable/value range/index Part pro Sync O S
$AA_QEC_MEAS
_TIME_3
REAL $AA_QEC_MEAS_TIME_3[n,a]
Measuring time for range $AA_QEC_ACCEL_3
a: Machine axis
n: 0
RW 2
$AA_QEC_TIME_
1
REAL $AA_QEC_TIME_1[n,a]
1st filter time for feedforward element
a: Machine axis
n: 0
RW 2
$AA_QEC_TIME_
2
REAL $AA_QEC_TIME_2[n,a]
2nd filter time for feedforward element
a: Machine axis
n: 0
RW 2
$AA_QEC_LEAR
NING_RATE
REAL $AA_QEC_LEARNING_RATE[n,a]
Learning rate for network
a: Machine axis
n: 0
RW 2
$AA_QEC_DIREC
TIONAL
BOOL $AA_QEC_DIRECTIONAL[n,a]
TRUE: Compensation is directional
FALSE: Compensation is not directional
a: Machine axis
n: 0
RW 2
15.2.17 Interpolatory compensation
$AN_CEC
REAL $AN_CEC[n,m]
Compensation value
n: No. of compensation table 0 – (maximum value settable via MD)
m: No. of interpolation point, 0 – (maximum value settable via MD)
RW 2
$AN_CEC_INPUT
_AXIS
AXIS $AN_CEC_INPUT_AXIS[n]:
Name of axis whose setpoint is to act as the compensation table
input
n: No. of compensation table 0 – (maximum value settable via MD)
RW 2
$AN_CEC_OUTP
UT_AXIS
AXIS $AN_CEC_OUTPUT_AXIS[n]:
Name of axis which is influenced by the compensation table output
n: No. of compensation table 0 – (maximum value settable via MD)
RW 2
$AN_CEC_STEP
REAL $AN_CEC_STEP[n]
Distance between compensation values
n: No. of compensation table 0 – (maximum value settable via MD)
RW 2

Siemens SINUMERIK 840D Specifications

General

Series	SINUMERIK 840D
Axes	Up to 31
Channels	Up to 10
Operating System	Windows-based
Power Supply	24 V DC
Control Unit Type	CNC
Interface	Ethernet, PROFIBUS
Display	TFT color display
Interpolation	Spline
PLC	Integrated PLC
Data Storage	CompactFlash, USB