Technical Specifications
13-2
Automation System S7-400H Fault-tolerant Systems
A5E00068197-07
13.1 Technical Specifications of the CPU 414-4H;
(6ES7 414-4HJ00-0AB0)
CPU and Version
MLFB
• Hardware version
6ES7 414-4HJ00-0AB0
01
• Firmware version 3.1 V
Associated programming
package
beginning with STEP7 V
5.2;
optional package
S7 H System
Memory
Working memory
• Integrated 384 Kbytes for code
384 Kbytes for data
• Expandable No
Load memory
• Integrated 256 Kbytes RAM
• Expandable FEPROM With memory card (FLASH)
up to 64 Mbytes
• Expandable RAM With memory card (RAM)
up to 64 Mbytes
Backup Yes
• With battery All data
• Without battery None
Processing Times
Processing times for
• Bit operations Min. 0.1 s
• Word instructions Min. 0.1 s
• Integer math
instructions
Min. 0.1 s
• Floating-point math
instructions
Min. 0.6 s
Timers/Counters and Their Retentivity
S7 counters 256
• Retentivity can be set From Z 0 to Z 255
• Preset From Z 0 to Z 7
• Counting range 1 to 999
IEC counter Yes
• Type SFB
S7 timers 256
• Retentivity can be set From T 0 to T 255
• Preset No retentive timers
• Time range 10 ms to 9990 s
IEC timers Yes
• Type
SFB
Data Areas and Their Retentivity
Total retentive data area
(incl. memory markers,
timers, counters)
Total working and load
memory (with backup
battery)
Memory markers 8 Kbytes
• Retentivity can be set From MB 0 to MB 8191
• Preset retentivity From MB 0 to MB 15
Clock memories 8 (1 memory byte)
Data blocks Max. 4095 (DB 0 reserved)
• Size Max. 64 Kbytes
Local data (can be set) Max. 16 Kbytes
• Preset 8 Kbytes
Blocks
OBs See instruction list
• Size Max. 64 Kbytes
Nesting depth
• Per priority class 24
• Additionally in an error
OB
2
FBs Max. 2048
• Size Max. 64 Kbytes
FCs Max. 2048
• Size Max. 64 Kbytes
Address Areas (Inputs/Outputs)
Total I/O address area 8 Kbytes/8 Kbytes
• Of which distributed
MPI/DP interface 2 Kbytes/2 Kbytes
DP interface 6 Kbytes/6 Kbytes
Process Image 8 Kbytes/8 Kbytes
(can be set)
• Preset 256 bytes/256 bytes
• Number of partial
process images
Max. 8
• Consistent data Max. 244 bytes
Digital channels 65536/65536
• those central 65536/65536
Analog channels 4096/4096
• those central 4096/4096
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