Siemens SIMATIC S7-400 Configuration And Use Manual page 24

CPUs of the S7-400
Table 2-3 CPU features of the S7-400H, continued
CPU
Execution times
•
Bit operations
•
Word operations
•
Fixed-point arithmetic
•
Floating-point
arithmetic
Memory bits, timers,
counters
•
Memory bits
•
S7 timers / S7
counters
•
IEC timers / IEC
counters
Structure
•
Number
Expansion devices
•
Number
DP master via CP
•
Number FM
•
Number CP 441
MPI/DP interface
•
DP slaves
•
Transmission rate
DP interface
•
Number
•
DP slaves
•
Transmission rate
I/O address area
•
Total address area
•
Process image
•
Digital channels
•
Analog channels
2-8
414-4H
0.06 µs
0.06 µs
0.06 µs
0.18 µs
8 KB
2048/2048
SFB/SFB
maximum 10
limited by number of slots and number of connections
limited by number of connections, maximum 30
maximum 32
up to 12 Mbps
1
96 each
up to 12 Mbps
8 KB / 8 KB
8 KB / 8 KB
65536/65536
4096/4096
Automation System S7-400 Configuration and Use
417-4H
0.03 µs
0.03 µs
0.03 µs
0.09 µs
16 KB
2048/2048
SFB/SFB
21
1
125 each
up to 12 Mbps
16 KB / 16 KB
16 KB / 16 KB
131072/131072
8192/8192
A5E00442711-02