Siemens SINUMERIK 840Di Function Manual page 915

Program/data blocks
OB
FB
FC
DB
Max. length of data block
Max. block length FC, FB
Inputs/outputs
(address capacity)
- digital
- analog
Inputs/outputs 1)
(addressing)
- digital
- analog
Processing time
- Bit commands (I/O)
- Word commands
PDIAG (Alarm S,SQ)
PROFIBUS
Number of PROFIBUS
slaves
Max. number of PROFIBUS
slots
PBC (programmable block
communication)
Consistent data to standard
slave via SFC 14, 15
1) Subrack 0 is integrated in the NC. Subracks 1 to 3 are available for I/O devices.
I/O expansion
PLC CPU
MLFB
I/O modules
PROFIBUS DP modules
Interfaces (MPI)
Power Line Basic PLC Program (P3)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
840Di
1, 10, 20, 35, 40,
80-82, 85-87, 100,
121-122
0-255
0-255
1-399
16 KB
24 KB
1024/1024
64
Through optional configuring
of I/O devices:
from I/O byte 0 onwards
from PI/PO byte 272
onwards
(PROFIBUS only)
0.3 ms/kA
1-4 ms/kA
Yes
Master
Max. 64
SDB 2000 ≤ 32 KB
256
Yes
26
840Di
Integrated PLC 315-2DP
master/slave
6ES7 315-2AF03-0AB0
PROFIBUS only
Yes
1
2.1 Key PLC CPU data for 810D, 840D and 840Di
810D
1, 10, 20, 35, 40,
80-82, 85-87, 100,
121-122
0-255
0-255
1-399
16 KB
24 KB
1024/1024
64
Through optional configuring
of I/O devices:
from I/O byte 0 onwards
from PI/PO byte 272
onwards
0.3 ms/kA
1-4 ms/kA
Yes
Master/Slave
Max. 64
SDB 2000 ≤ 32 KB
256
Yes
26
810D
Integrated PLC 315-2DP
master/slave
6ES7 315-2AF03-0AB0
24
Yes
1
Detailed description
840D
1, 10, 20, 35, 40,
80-82, 85-87,100,
121-122
0-255
0-255
1-399
16 KB
24 KB
1024/1024
64
Through optional configuring
of I/O devices:
from I/O byte 0 onwards
from PI/PO byte 272
onwards
0.1 ms/kA
0.25-1.2 ms/kA
Yes
Master/Slave
Max. 32
SDB 2000 ≤ 32 KB
256
Yes
32
840D
Integrated PLC 314C-2DP
master/slave
6FC5 314-6CF00-0AB0
24
Yes
1
2-3