Siemens SINUMERIK 840D sl Function Manual page 575

Table 7- 2
Transformation in
program active
(TRAORI..)
FALSE
TRUE
TRUE
TRUE
TRUE
The G code PTP/CP currently active in the program does not affect Cartesian manual travel.
The VDI interface signals are interpreted in the channel DB for geometry and orientation
axes.
Activation
The reference system for Cartesian manual travel is set as follows:
● The Cartesian manual travel function is activated with the following machine data:
● JOG traverse motion via SD42650 SC_CART_JOG_MODE
The meaning of the bits is explained in the table below.
Table 7- 3
Bit7
Reserved
Bit15
Reserved
Extended Functions
Function Manual, 09/2009, 6FC5397-1BP20-0BA0
Conditions for Cartesian manual travel
G codes PTP/CP
Not functional
CP
CP
PTP
PTP
MD21106 $MC_CART_JOG_SYSTEM > 0
The BCS, WCS or TCS reference systems are enabled by setting the bits in MD 21106
$MC_CART_JOG_SYSTEM.
Standard behavior as before: Bits 0 to 2 = 0, bits 8 to 10 = 0.
Reference system for translation via bits 0-2 and the reference system for orientation via
bits 8-10.
If not all of the bits are set to 0, the process uses the new function. The reference
systems for translation and orientation may be set independently.
Bit assignment for SD42650 $SC_CART_JOG_MODE (only one bit may be set)
Bit6 Bit5
Bit14 Bit13
IS "Activate PTP/CP
travel"
Not functional
DB31, ... DBX29.4 = 0
DB31, ... DBX29.4 = 1
DB31, ... DBX29.4 = 0
DB31, ... DBX29.4 = 1
Bit4 Bit3 Bit2
Translation in
the TCS
Bit12 Bit11 Bit10
Orientation in
TCS
M1: Kinematic transformation
7.7 Cartesian manual travel (optional)
IS "Transformation
active"
DB31, ... DBX33.6 = 0
DB31, ... DBX33.6 = 1
DB31, ... DBX33.6 = 0
DB31, ... DBX33.6 = 1
DB31, ... DBX33.6 = 0
Bit1
Translation in
the WCS
Bit9
Orientation in
WCS
Bit0
Translation in
the BCS
Bit8
Orientation in
BCS
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