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SIMATIC S7-400, CPU 412-1 96 KB WORKING MEMORY (48 KB CODE, 48 KB DATA) INTERFACE MPI/DP 12 MBIT/S |
CiR - Configuration in RUN |
CiR synchronization time, basic load |
100 ms |
CiR synchronization time, time per I/O slave |
200 µs |
Supply voltage |
24 V DC |
Yes |
Input current |
from backplane bus 5 V DC, typ. |
1.5 A |
from backplane bus 5 V DC, max. |
1.6 A |
from backplane bus 24 V DC, max. |
150 mA; Total current consumption of the components connected to the MPI/DP interfaces, but no more than 150 mA per interface |
Power losses |
Power loss, typ. |
7.5 W |
Memory |
Data and program memory |
● Data memory, max. |
48 kbyte |
● Program memory, max. |
48 kbyte |
Work memory |
● Integrated |
96 kbyte |
● expandable |
No |
Load memory |
● expandable FEPROM |
Yes; with Memory Card (FLASH) |
● expandable FEPROM, max. |
64 Mbyte |
● integrated RAM, max. |
256 kbyte |
● expandable RAM |
Yes; with Memory Card (RAM) |
● expandable RAM, max. |
64 Mbyte |
Backup |
● present |
Yes |
● with battery |
Yes; all data |
● without battery |
No |
Battery |
Backup battery |
● Backup current, typ. |
40 µA |
● Backup current, max. |
300 µA |
● Feeding of external backup voltage to CPU |
5 to 15 VDC |
CPU processing times |
for bit operations, typ. |
0.2 µs |
for word operations, typ. |
0.2 µs |
for fixed point arithmetic, typ. |
0.2 µs |
for floating point arithmetic, typ. |
0.6 µs |
CPU-blocks |
DB |
● Number, max. |
512; DB 0 reserved |
● Size, max. |
48 kbyte |
FB |
● Number, max. |
256 |
● Size, max. |
48 kbyte |
FC |
● Number, max. |
256 |
● Size, max. |
48 kbyte |
OB |
● Number, max. |
see instruction list |
● Size, max. |
48 kbyte |
● Number of time alarm OBs |
2 |
● Number of delay alarm OBs |
2 |
● Number of time interrupt OBs |
2 |
● Number of process alarm OBs |
2 |
Nesting depth |
● per priority class |
24 |
● additional within an error OB |
2 |
Counters, timers and their retentivity |
S7 counter |
● Number |
256 |
Retentivity |
— can be set |
Yes |
— lower limit |
0 |
— upper limit |
255 |
— preset |
Z 0 to Z 7 |
Counting range |
— lower limit |
1 |
— upper limit |
999 |
IEC counter |
● present |
Yes |
● Type |
SFB |
S7 times |
● Number |
256 |
Retentivity |
— can be set |
Yes |
— lower limit |
0 |
— upper limit |
255 |
— preset |
No retentivity |
Time range |
— lower limit |
10 ms |
— upper limit |
9 990 s |
IEC timer |
● present |
Yes |
● Type |
SFB |
Data areas and their retentivity |
retentive data area, total |
Total working and load memory (with backup battery) |
Flag |
● Number, max. |
4 kbyte |
● Retentivity available |
Yes; From MB 0 to MB 4095 |
● Retentivity preset |
MB 0 to MB 15 |
● Number of clock memories |
8; 1 memory byte |
Data blocks |
● Number, max. |
512; DB 0 reserved |
● Size, max. |
64 kbyte |
Address area |
I/O address area |
● Inputs |
4 kbyte |
● Outputs |
4 kbyte |
of which, distributed |
— MPI/DP interface, inputs |
2 kbyte |
— MPI/DP interface, outputs |
2 kbyte |
Process image |
● Inputs, adjustable |
4 kbyte; adjustable at the expense of the code area of the RAM |
● Outputs, adjustable |
4 kbyte; adjustable at the expense of the code area of the RAM |
● Inputs, default |
128 byte; adjustable at the expense of the code area of the RAM |
● Outputs, default |
128 byte; adjustable at the expense of the code area of the RAM |
● consistent data, max. |
244 byte |
● Access to consistent data in process image |
Yes |
Subprocess images |
● Number of subprocess images, max. |
8 |
Digital channels |
● Inputs |
32 768 |
● Outputs |
32 768 |
● Inputs, of which central |
32 768 |
● Outputs, of which central |
32 768 |
Analog channels |
● Inputs |
2 048 |
● Outputs |
2 048 |
● Inputs, of which central |
2 048 |
● Outputs, of which central |
2 048 |
Hardware configuration |
Expansion devices, max. |
21; of which 6 ER with K-bus |
connectable OPs |
16 without message processing, 8 with message processing |
Multicomputing |
Yes; 4 CPUs max. (with UR1 or UR2) |
Interface modules |
● Number of connectable IMs (total), max. |
6 |
● Number of connectable IM 460s, max. |
6 |
● Number of connectable IM 463s, max. |
4; IM 463-2 |
Number of DP masters |
● Integrated |
1 |
● via IM 467 |
4 |
● Via CP |
10 |
● Mixed mode IM + CP permitted |
No; IM 467 cannot be used jointly with CP 443-5 Ext. |
● via interface module |
0 |
● Number of pluggable S5 modules (via adapter capsule in central device), max. |
6 |
Number of operable FMs and CPs (recommended) |
● FM |
16; Limited by number of slots and number of connections |
● CP, point-to-point |
16; limited by number of slots |
● CP, LAN |
16; limited by number of slots and number of connections; for S5-compatible communication max. 4 |
● PROFIBUS and Ethernet CPs |
14; incl. CP 443-5 Ext. and IM 467 |
Slots |
● Required slots |
1 |
Time of day |
Clock |
● Hardware clock (real-time clock) |
Yes |
● battery-backed and synchronizable |
Yes |
● Resolution |
1 ms |
Operating hours counter |
● Number |
8 |
Clock synchronization |
● supported |
Yes |
● to MPI, master |
Yes |
● to MPI, slave |
Yes |
● to DP, master |
Yes |
● to DP, slave |
Yes |
● in AS, master |
Yes |
● in AS, slave |
Yes |
1st interface |
Physics |
RS 485 / PROFIBUS |
Isolated |
Yes |
Number of connection resources |
MPI: 16, DP: 16 |
Functionality |
● MPI |
Yes |
● DP master |
Yes |
● DP slave |
Yes |
MPI |
● Number of connections |
16 |
● Transmission rate, max. |
12 Mbit/s |
Services |
— PG/OP communication |
Yes |
— Routing |
Yes |
— Global data communication |
Yes |
— S7 basic communication |
Yes |
— S7 communication |
Yes |
DP master |
● Number of connections, max. |
16 |
● Transmission rate, max. |
12 Mbit/s |
● Number of DP slaves, max. |
32 |
Services |
— PG/OP communication |
Yes |
— Global data communication |
No |
— S7 basic communication |
No |
— S7 communication |
Yes |
— Equidistance mode support |
Yes |
— SYNC/FREEZE |
Yes |
— Activation/deactivation of DP slaves |
Yes |
— Direct data exchange (slave-to-slave communication) |
Yes |
Address area |
— Inputs, max. |
2 kbyte |
— Outputs, max. |
2 kbyte |
User data per DP slave |
— Inputs, max. |
244 byte |
— Outputs, max. |
244 byte |
— Slots, max. |
244 |
— per slot, max. |
128 byte |
DP slave |
● Transmission rate, max. |
12 Mbit/s |
● Address area, max. |
32 |
● User data per address area, max. |
32 byte |
● User data per address area, of which consistent, max. |
32 byte |
Services |
— PG/OP communication |
Yes; with interface active |
— Routing |
Yes; with interface active |
Transfer memory |
— Inputs |
244 byte |
— Outputs |
244 byte |
Isochronous mode |
Isochronous operation (application synchronized up to terminal) |
Yes |
User data per isochronous slave, max. |
128 byte |
equidistance |
Yes |
shortest clock pulse |
5 ms; 2.5 ms without using the SFCs 126 / 127 |
Communication functions |
PG/OP communication |
Yes |
Global data communication |
● supported |
Yes |
● Number of GD packets, transmitter, max. |
8 |
● Number of GD packets, receiver, max. |
16 |
● Size of GD packets, max. |
64 byte |
S7 basic communication |
● supported |
Yes |
● User data per job, max. |
76 byte |
S7 communication |
● supported |
Yes |
● as server |
Yes |
● As client |
Yes |
● User data per job, max. |
64 kbyte |
S5-compatible communication |
● supported |
Yes; via CP and FC AG_SEND and FC AG_RECV |
● User data per job, max. |
8 kbyte |
Standard communication (FMS) |
● supported |
Yes; Via CP and loadable FB |
Number of connections |
● overall |
16; of which one is reserved for PG and OP |
● usable for PG communication |
|
— reserved for PG communication |
1 |
— Adjustable for PG communication, max. |
0 |
● usable for OP communication |
|
— reserved for OP communication |
1 |
— adjustable for OP communication, max. |
0 |
● usable for S7 basic communication |
|
— Reserved for S7 basic communication |
0 |
— adjustable for S7 basic communication, max. |
0 |
● usable for S7 communication |
|
— reserved for S7 communication |
0 |
— Adjustable for S7 communication, max. |
0 |
● usable for routing |
0 |
— Reserved for routing |
0 |
— adjustable for routing, max. |
0 |
S7 message functions |
Number of login stations for message functions, max. |
8 |
Symbol-related messages |
Yes |
Block related messages |
Yes |
Alarm 8-blocks |
Yes |
Process control messages |
Yes |
Test commissioning functions |
Status block |
Yes |
Single step |
Yes |
Number of breakpoints |
4 |
Status/control |
● Status/control variable |
Yes |
Forcing |
● Forcing |
Yes |
Diagnostic buffer |
● present |
Yes |
● Number of entries, max. |
200 |
— can be set |
Yes |
Configuration |
Configuration software |
● STEP 7 |
Yes |
programming |
● Nesting levels |
8 |
Programming language |
— LAD |
Yes |
— FBD |
Yes |
— STL |
Yes |
— SCL |
Yes |
— CFC |
Yes |
— GRAPH |
Yes |
— HiGraph® |
Yes |
Know-how protection |
● User program protection/password protection |
Yes |
Dimensions |
Width |
25 mm |
Height |
290 mm |
Depth |
219 mm |
Weights |
Weight, approx. |
720 g |
last modified: |
25.09.2014 |