Siemens SINUMERIK 840D Programming Guide

15
Tables 04.00
15.2 List of s
y
stem variables
15
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SINUMERIK 840D/840Di/810D/FM-NC Programming Guide Advanced (PGA) – 04.00 Edition
15.2.29 Direct PLC I/O
Identifier Type Description: System variable/value range/index Part pro Sync O S
$A_PBB_IN
INT $A_PBB_IN[n]
Read data byte (8 bits) directly from PLC I/O
n: Byte offset within PLC input area 0 – ...
RS R 5
$A_PBW_IN
INT $A_PBW_IN[n]
Read data word (16 bits) directly from PLC I/O
n: Byte offset within PLC input area 0 – ...
RS R 5
$A_PBD_IN
INT $A_PBD_IN[n]
Read data doubleword (32 bits) directly from PLC I/O
n: Byte offset within PLC input area 0 – ...
RS R 5
$A_PBR_IN
REAL $A_PBR_IN[n]
Read Real data (32 bits) directly from PLC I/O
n: Byte offset within PLC input area 0 – ...
RS R 5
.
2
$A_PBB_OUT
INT $A_PBB_OUT[n]
Write data byte (8 bits) directly to PLC I/O
n: Byte offset within the PLC output area 0 – ...
synchronized with main run
RS W R W 5
$A_PBW_OUT
INT $A_PBW_OUT[n]
Write data word (16 bits) directly to PLC I/O
n: Byte offset within the PLC output area 0 – ...
synchronized with main run
RS W R W 5
$A_PBD_OUT
INT $A_PBD_OUT[n]
Write data doubleword (32 bits) directly to PLC I/O
n: Byte offset within the PLC output area 0 – ...
synchronized with main run
RS W R W 5
$A_PBR_OUT
REAL $A_PBR_OUT[n]
Write Real data (32 bits) directly to PLC I/O
n: Byte offset within the PLC output area 0 – ...
synchronized with main run
RS W R W 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