Plc Program - Siemens SINUMERIK 840Di sl Commissioning Manual

PLC commissioning
6.1 General
PLC317-2DP (6FC5 317-2AJ10-0AB0)
Inputs/outputs (addressing)
Row 0 is integrated in the NC. Rows 1 to 3 are available for I/O
devices
Processing time
PDIAG (Alarm S,SQ)
PROFIBUS
Number of PROFIBUS slaves (see note below)
PBC programmable block communication
Consistent data to standard slave via SFC 14, 15
6.1.3

PLC program

The PLC program is constructed modularly. It comprises the two parts:
● PLC basic program
● PLC user program
For a complete description of the basic PLC program, its structure and all modules including
their call parameters, please refer to:
References:
/FB1/ Function Manual, Basic Functions; Subsection "PLC Basic Program" P3
150
Process image
Digital
Analog
Bit instructions (I/O)
Word instructions
The PLC basic program organizes the exchange of signals and data between the PLC
user program and the NCK, HMI, and machine control panel components.
The PLC basic program is part of the PLC Toolbox supplied with SINUMERIK 840Di sl.
The PLC user program is the user-specific part of the PLC program by which the basic
PLC program has been added to or extended.
256/256 bytes
Through optional configuring
of I/O devices
From I/O byte 0
From PI/PO byte 272 only
PROFIBUS
<= 0.031 ms/kA
0.1 ms/kA
Yes
Master/Slave
max. 125
Yes
128
Commissioning Manual, 05/2008, 6FC5397–4CP10–4BA0
Manual