Siemens SINUMERIK 840D sl Function Manual page 993
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2.1
Key PLC CPU data for 810D, 840D and 840Di
The tables below show the performance range of the PLC CPUs and the scope of the
basic PLC program relative to the various controller types.
Type of control: 810D 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. data block length
Max. block length FC, FB
Inputs/outputs
(address capacity)
- digital
- analog
Basic logic functions: PLC Basic program powerline (P3 pl)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
810D / 840D
Integrated PLC
CPU314
64, 96, 128 KB
Like user memory
no
2048
128
64
8
1, 10, 20, 35, 40,
80-82, 85, 87, 100,
121-122
1-127
1-127
1-127
16 KB
16 KB
768
64
810D / 840D
Integrated PLC
CPU315-2DP
6ES7 315-2AF00-0AB0
64, 96 128, 160, 192, 224,
256, 288 KB
(dependent on option)
Like user memory
no
2048
128
64
8
1, 10, 20, 35, 40,
80-82, 85-87, 100,
121-122
1-127
1-127
1-127
16 KB
24 KB
1024/1024
64
2
810D / 840D
Integrated PLC
CPU315-2DP master/slave
6ES7 315-2AF01-0AB0
96, 160, 224, 288, 352, 416,
480 kByte
(dependent on option)
Up to 96 KB
no
2048/ 4096 with PLC
operating system 03.10.13 or
later
128
64
8
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
9
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