Siemens SINUMERIK 840D sl Function Manual page 31

Note
The hardware assignment is different on the SINUMERIK 840D and 840Di controls.
The assignment of I/Os for SINUMERIK 840Di is specified via the machine data:
MD10362 to MD10368
with the following default values:
Machine data
MD10362 $MN_HW_ASSIGN_ANA_FASTIN[0]
...
MD10364 $MN_HW_ASSIGN_ANA_FASTOUT[0]
...
MD10366 $MN_HW_ASSIGN_DIG_FASTIN[0]
...
MD10368 $MN_HW_ASSIGN_DIG_FASTOUT[0]
...
Modification to MD for PROFIBUS-DP
The following machine data has been modified for hardware operation on the PROFIBUS-
DP of the SINUMERIK 840Di.
$MN_HW_ASSIGN_...
The assignment of bytes 1 to 4 has been redefined. The machine data assignments below
apply for PROFIBUS-DP operation:
Byte
4 bytes
3 bytes
2 bytes
1 byte
Extended Functions
Function Manual, 09/2009, 6FC5397-1BP20-0BA0
Description
Assignment of analog input
(16-bit access)
Assignment of analog output
(16-bit access)
Assignment of digital input
(8-bit access)
Assignment of digital output
(8-bit access)
New for PROFIBUS-DP
Segment number = 5
Not used = 0
Logical address high
Logical address low
A4: Digital and analog NCK I/Os
1.2 NCK I/O via PLC
Default
050000A0
050000A0
05000090
05000090
Previous meaning
Segment number
Module number
Interface-module number
Input/output number
31