Siemens SINUMERIK 840Di Function Manual page 916

Detailed description
2.1 Key PLC CPU data for 810D, 840D and 840Di
Types of control: 840Di and 840D
Key CPU data
PLC CPU
MLFB
Memory for user
and basic program
Data block memory
Memory submodule
Bit memories
Timers
Counters
Clock memories
Program/data blocks:
OB
FB
FC
DB
Max. length of data block
Max. block length FC, FB
Inputs/outputs 1)
(address capacity in bytes):
- digital / - analog
- incl. reserved area
- process image
Inputs/outputs 2)
(addressing):
- digital
- analog
Processing time:
- Bit commands (I/O)
- Word commands
PDIAG (Alarm S,SQ)
PROFIBUS
No. of PROFIBUS slaves
Max. number of PROFIBUS
slots
DP master system: DP
DP master system: MPI/DP
2-4
840Di
Integrated PLC 317-2DP
master/slave
6FC5 317-2AJ10-0AB0
128 to 768 KB
Max. 256 KB
no
32768
512
512
8
10, 20-21, 32-35, 40, 55-57,
80, 82, 85-87, 100,
121-122
0-2048
0-2048
1-2048
32 KB
64 KB
4096/4096
8192/8192
256/256
Through optional configuring
of I/O devices:
from I/O byte 0 onwards
from PI/PO byte 272
onwards (PROFIBUS only)
≤ 0.031 ms/kA
0.1 ms/kA
Yes
Master/Slave
max. 125
512
1
2
840D
Integrated PLC 317-2DP
master/slave
6FC5 317-2AJ10-1AB0
128 to 768 KB
Max. 256 KB
no
32768
512
512
8
10, 20-21, 32-35, 40, 55-57,
80, 82, 85-87,100,
121-122
0-2048
0-2048
1-2048
32 KB
64 KB
4096/4096
8192/8192
256/256
Through optional configuring
of I/O devices:
from I/O byte 0 onwards
from PI/PO byte 272
onwards
≤ 0.103 ms/kA
0.1 ms/kA
Yes
Master/Slave
max. 125
512
1
N/A
Power Line Basic PLC Program (P3)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0