Siemens Simatic S7-400 Configuration And Use Manual

CPUs of the S7-400
2-7
Automation System S7-400 Configuration and Use
A5E0044271 1-02
Table 2-2 Performance Characteristics of the S7-400 CPUs, continued
CPU 417-4416-3416-2
416-2F
414-3414-2412-2412-1
Structure
• Number
Expansion devices
• Number
DP master via CP
• Number FM
• Number CP
21
maximum 10
limited by number of slots and number of connections
limited by number of slots and number of connections
MPI/DP interface
• DP slaves
• Transmission rate
maximum 32
up to 12 Mbps
DP interface
• Number
• DP slaves
• Transmission rate
• Plug-in
interface modules
-
-
-
-
1
64
up to 12
Mbps
-
1
96
up to 12
Mbps
-
2
96 each
up to 12
Mbps
1xDP
1
125
up to 12
Mbps
-
2
125 each
up to 12
Mbps
1xDP
3
125 each
up to 12
Mbps
2xDP
I/O address area
• Total address area
• Process image
• Digital channels
• Analog channels
4KB/4KB
4KB/4KB
32768/32768
2048/2048
8KB/8KB
8KB/8KB
65536/65536
4096/4096
16 KB / 16 KB
16 KB / 16 KB
131072/131072
8192/8192
Table 2-3 CPU features of the S7-400H
CPU 414-4H 417-4H
User memory
• integrated
• for program
• for data
1.4 MB
700 KB
700 KB
20 MB
10 MB
10 MB
Loading memory
• integrated
• expandable to
256 KB RAM
64 MB
Buffering Yes
Number of blocks
• FC
• FB
• DB
DB0 reserved
2048
2048
4095
6144
6144
8191
Program execution
• Free cycle
• Time interrupts
• Delay interrupts
• Watchdog interrupts
• Hardware interrupts
• Startup
1
4
4
4
4
2
1
8
4
9
8
2

Siemens Simatic S7-400 Specifications

General

Programming Language	STEP 7 (LAD, FBD, STL, SCL, GRAPH)
Communication Interfaces	MPI, PROFIBUS
Power Supply	24 V DC, 120/230 V AC (Power supply modules are separate and chosen based on system requirements)
Operating Temperature	0°C to 60°C
Mounting	Rack mounting
Processor	CPU 412-1, CPU 414-2, CPU 416-2, CPU 417-4 (Different CPUs offer varying performance and features)
Relative Humidity	5 to 95% (non-condensing)