Siemens SINUMERIK 840D Description Of Functions page 263

11.03
4.4 System variable
4.4.1 System variable for SINUMERIK 840D
System variables
Table 4-9 Overview of system variables
System variables Meaning
Actual position
Safe actual position for Safety
$VA_IS[Achse]
Integrated
Actual position for closed-loop control
$AA_IM[Achse]
Encoder actual value in machine
$VA_IM[Achse]
coordinate system
Internal inputs/outputs
NCK input
$A_INSI[n]
NCK inputs
$A_INSID[n]
Image of the PLC input
$A_INSIP[n]
Image of the PLC-SPL inputs from the
$A_INSIPD[n]
drive monitoring channel
NCK output
$A_OUTSI[n]
NCK outputs
$A_OUTSID[n]
Image of the PLC output
$A_OUTSIP[n]
Image of the PLC-SPL outputs from
$A_OUTSIPD[n]
the drive monitoring channel
External inputs/outputs
NCK input
$A_INSE[n]
NCK inputs
$A_INSED[n]
Image of a PLC-SPL input from the
$A_INSEP[n]
PLC hardware I/O
Image of PLC-SPL inputs from the
$A_INSEPD[n]
PLC hardware I/O
NCK output
$A_OUTSE[n]
NCK outputs
$A_OUTSED[n]
Image of a PLC-SPL output from the
$A_OUTSEP[n]
PLC hardware I/O
Image of PLC-SPL outputs to PLC
$A_OUTSEPD[n]
hardware I/O
Markers and timers
Markers
$A_MARKERSI[n]
$A_MARKERSID[n] Markers
(from SW 4.4.18)
Image of the PLC markers
$A_MARKERSIP[n]
© Siemens AG 2003 All Rights Reserved
SINUMERIK 840D/SIMODRIVE 611 digital SINUMERIK Safety Integrated (FBSI) - Edition 11.03
4.4 System variable
Value range Data type Possible access for
Part
program
l
DOUBLE x
DOUBLE x
DOUBLE x
n = 1, 2, ... 64 BOOL x
stands for
No. of input
n = 1,2 INT x
n = 1,2, ...64 BOOL x
n = 1,2 INT x
n = 1, 2, ... 64 BOOL x
stands for
No. of output
n = 1,2 INT x
n = 1, 2, ... 64 BOOL x
n = 1,2 INT x
n = 1, 2, ... 64 BOOL x
stands for
No. of input
n = 1,2 INT x
n = 1, 2, ... 64 BOOL x
stands for
No. of input
n = 1,2 INT x
n = 1, 2, ... 64 BOOL x
stands for
No. of output
n = 1,2 INT x
n = 1, 2, ... 64 BOOL x
stands for
No. of output
n = 1,2 INT x
n = 1, 2, ... 64 BOOL x
stands for
No. of marker
n = 1, 2 INT x
n = 1,2, ...64 BOOL x
4 Data Descriptions
Synchr.
action
s l s
x
x
x
x
x
x
x
x x x
x x x
x
x
x
x
x
x
x x x
x x x
x
x
x x x
x x x
x
4-263