Nck I/O Via Profibus - Siemens SINUMERIK 840D sl Function Manual

Digital and analog NCK I/Os (A4)
1.4 Constraints
1.4.2

NCK I/O via PROFIBUS

system
The function is available in the systems SINUMERIK 840D/840D sl and 840Di/840Di sl for
isochronous and non-isochronous configured PROFIBUS-I/Os.
Hardware
● The required PROFIBUS-I/O must be available and ready to use.
● A correct S7-HW-configuration (PLC-side) must be done of the required PROFIBUS-I/O
● An I/O-range must be present on the same PROFIBUS-slave.
● Only the PROFIBUS-slaves at the first real PROFIBUS-strand of the PLC (plug with the
Software
● The NCK must be configured correctly via the corresponding machine data.
● A simultaneous writing of the PROFIBUS-I/O from a PLC-application program is not
● I/O-ranges for the write access (MD10510 $MN_DPIO_LOCIG_ADDRESS_OUT[]) to the
62
and loaded in the PLC.
identification DP1) are supported.
permitted and cannot be prevented technically.
PROFIBUS-I/O may not lie in the I/O mapping range of the PLC (e.g. PLC 317,
addresses from 0 - 255), since this range is addressed by the PLC-operating system.
Function Manual, 01/2008, 6FC5397-1BP10-3BA0
Extended Functions