Siemens SINUMERIK 840D Programming Guide

15
04.00 Tables
15.2 List of s
y
stem variables
15
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Siemens AG 2000. All rights reserved
SINUMERIK 840D/840Di/810D/FM-NC Programming Guide Advanced (PGA) – 04.00 Edition
15-569
15.2.50 Synchronized spindle
Identifier Type Description: System variable/value range/index Part pro Sync O S
$AA_COUP_OFF
S
REAL $AA_COUP_OFFS[S2]
Position offset for synchronized spindle as setpoint
S2 is following spindle
RS R 2
$VA_COUP_OFF
S
REAL $VA_COUP_OFFS[SPI(2)]
Position offset for synchronized spindle as actual value
SPI(2) is following spindle
RS R 2
15.2.51 Safety Integrated 1
$VA_IS
REAL $VA_IS[X]
Safe actual position (SISITEC)
Axes: Geometry axis, channel axis, machine axis
RS R 3
$AA_SCTRACE
BOOL $AA_SCTRACE[X] = 1
Write: Initiate IPO trigger for servo trace
0: No action
!0: Initiate trigger
Read: always 0, since the selftriggering bit is returned from the
interface.
0: Current value (no status)
Axes: Geometry axis, channel axis, machine axis
RS W
S
RW 4
$AA_SCTRACE
BOOL $AA_SCTRACE[X] = 1
Write: Initiate IPO trigger for servo trace
0: No action
!0: Initiate trigger
Read: always 0, since the selftriggering bit is returned from the
interface.
0: Current value (no status)
Axes: Geometry axis, channel axis, machine axis
RS W
S
RW 4
$VA_DPE
BOOL $VA_DPE[X1]
Status of power enable of a machine axis
Axes: Machine axis
RS R 5
$AA_ACC
REAL $AA_ACC
Current acceleration value of axis with 1-axis interpolation.
$AA_ACC = $MA_MAX_AX_ACCEL * progr. acceleration offset
RS R 5

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