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SIMATIC S7-400H, CPU 412-3H CENTRAL UNIT FOR S7-400H AND S7-400F/FH, 3 INTERFACES: 1 MPI/DP AND 2 FOR SYNC MODULES 768 KB MEMORY (256 KB DATA/512 KB CODE) |
General information |
Hardware product version |
1 |
Firmware version |
V4.5 |
Engineering with |
● Programming package |
STEP7 V 5.3 SP2 or higher with HW update |
CiR - Configuration in RUN |
CiR synchronization time, basic load |
150 ms |
CiR synchronization time, time per I/O slave |
40 µs |
Supply voltage |
24 V DC |
No; Power supply via system power supply |
Input current |
from backplane bus 5 V DC, typ. |
1.2 A |
from backplane bus 5 V DC, max. |
1.5 A |
from backplane bus 24 V DC, max. |
150 mA; Per DP interface |
from interface 5 V DC, max. |
90 mA; At each DP interface |
Power losses |
Power loss, typ. |
5.5 W |
Memory |
Type of memory |
other |
Work memory |
● Integrated |
768 kbyte |
● integrated (for program) |
512 kbyte |
● integrated (for data) |
256 kbyte |
● expandable |
No |
Load memory |
● expandable FEPROM |
Yes |
● expandable FEPROM, max. |
64 Mbyte |
● integrated RAM, max. |
256 kbyte |
● expandable RAM |
Yes |
● expandable RAM, max. |
64 Mbyte |
Backup |
● present |
Yes |
● with battery |
Yes; all data |
● without battery |
No |
Battery |
Backup battery |
● Backup current, typ. |
190 µA; Valid up to 40°C |
● Backup current, max. |
660 µA |
● Backup time, max. |
Dealt with in the module data manual with the secondary conditions and the factors of influence |
● Feeding of external backup voltage to CPU |
5 to 15 VDC |
CPU processing times |
for bit operations, typ. |
0.075 µs |
for word operations, typ. |
0.075 µs |
for fixed point arithmetic, typ. |
0.075 µs |
for floating point arithmetic, typ. |
0.225 µs |
CPU-blocks |
DB |
● Number, max. |
4 095; Number range: 1 to 4095 |
● Size, max. |
64 kbyte |
FB |
● Number, max. |
2 048; Number range: 0 to 2047 |
● Size, max. |
64 kbyte |
FC |
● Number, max. |
2 048; Number range: 0 to 2047 |
● Size, max. |
64 kbyte |
OB |
● Size, max. |
64 kbyte |
● Number of time alarm OBs |
4 |
● Number of delay alarm OBs |
4 |
● Number of time interrupt OBs |
4 |
● Number of process alarm OBs |
4 |
Nesting depth |
● per priority class |
24 |
● additional within an error OB |
1 |
Counters, timers and their retentivity |
S7 counter |
● Number |
2 048 |
Retentivity |
— can be set |
Yes |
— lower limit |
0 |
— upper limit |
2 047 |
— preset |
Z 0 to Z 7 |
Counting range |
— lower limit |
0 |
— upper limit |
999 |
IEC counter |
● present |
Yes |
● Type |
SFB |
S7 times |
● Number |
2 048 |
Retentivity |
— can be set |
Yes |
— lower limit |
0 |
— upper limit |
2 047 |
— preset |
No times retentive |
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. |
8 kbyte |
● Retentivity available |
Yes |
● Retentivity preset |
MB 0 to MB 15 |
● Number of clock memories |
8; in 1 memory byte |
Data blocks |
● Number, max. |
4 095; Number range: 1 to 4095 |
● Size, max. |
64 kbyte |
Local data |
● adjustable, max. |
16 kbyte |
● preset |
8 kbyte |
Address area |
I/O address area |
● Inputs |
8 kbyte |
● Outputs |
8 kbyte |
of which, distributed |
— MPI/DP interface, inputs |
2 kbyte |
— MPI/DP interface, outputs |
2 kbyte |
Process image |
● Inputs, adjustable |
8 kbyte |
● Outputs, adjustable |
8 kbyte |
● Inputs, default |
256 byte |
● Outputs, default |
256 byte |
● consistent data, max. |
244 byte |
● Access to consistent data in process image |
Yes |
Subprocess images |
● Number of subprocess images, max. |
15 |
Digital channels |
● Inputs |
65 536 |
● Outputs |
65 536 |
● Inputs, of which central |
65 536 |
● Outputs, of which central |
65 536 |
Analog channels |
● Inputs |
4 096 |
● Outputs |
4 096 |
● Inputs, of which central |
4 096 |
● Outputs, of which central |
4 096 |
Hardware configuration |
Expansion devices, max. |
21 |
connectable OPs |
15 without message processing, 8 with message processing |
Multicomputing |
No |
Interface modules |
● Number of connectable IMs (total), max. |
6 |
● Number of connectable IM 460s, max. |
6 |
● Number of connectable IM 463s, max. |
4; Single mode only |
Number of DP masters |
● Integrated |
1 |
● Via CP |
10 |
● Mixed mode IM + CP permitted |
No |
● via interface module |
0 |
Number of operable FMs and CPs (recommended) |
● FM |
See manual Automation System S7-400H fault-tolerant systems. Limited by number of slots and number of connections |
● CP, point-to-point |
See manual Automation System S7-400H fault-tolerant systems. Limited by number of slots and number of connections |
● PROFIBUS and Ethernet CPs |
14; Of which max. 10 CP as DP master |
Slots |
● Required slots |
2 |
Time of day |
Clock |
● Hardware clock (real-time clock) |
Yes |
● battery-backed and synchronizable |
Yes |
● Resolution |
1 ms |
● Deviation per day (buffered), max. |
1.7 s; Power off |
● Deviation per day (unbuffered) max. |
8.6 s; Power on |
Operating hours counter |
● Number |
8 |
● Number/Number range |
0 to 7 |
● Range of values |
0 to 32767 hours |
● Granularity |
1 hour |
● retentive |
Yes |
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 |
Time difference in system when synchronizing via |
● MPI, max. |
200 ms |
Digital outputs |
integrated channels (DO) |
0 |
Interfaces |
Number of parallel interfaces |
0 |
Number of 20 mA interfaces (TTY) |
0 |
Number of RS 232 interfaces |
0 |
Number of RS 422 interfaces |
0 |
Number of other interfaces |
0 |
1st interface |
Interface type |
Integrated |
Physics |
RS 485 / PROFIBUS + MPI |
Isolated |
Yes |
Power supply to interface (15 to 30 V DC), max. |
150 mA |
Number of connection resources |
MPI: 16, DP: 16 |
Functionality |
● MPI |
Yes |
● DP master |
Yes |
● DP slave |
No |
MPI |
● Number of connections |
16 |
● Transmission rate, max. |
12 Mbit/s |
Services |
— PG/OP communication |
Yes |
— Routing |
Yes |
— Global data communication |
No |
— S7 basic communication |
No |
— 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 |
— Routing |
Yes |
— Global data communication |
No |
— S7 basic communication |
No |
— S7 communication |
Yes |
— Equidistance mode support |
No |
— SYNC/FREEZE |
No |
— Activation/deactivation of DP slaves |
No |
— Direct data exchange (slave-to-slave communication) |
No |
Address area |
— Inputs, max. |
2 kbyte |
— Outputs, max. |
2 kbyte |
User data per DP slave |
— User data per DP slave, max. |
244 byte |
— Inputs, max. |
244 byte |
— Outputs, max. |
244 byte |
— Slots, max. |
244 |
— per slot, max. |
128 byte |
DP slave |
● Number of connections |
No configuration of CPU as DP slave |
3rd interface |
Interface type |
Pluggable synchronization submodule (FO) |
Plug-in interface modules |
Synchronization submodule IF 960 6ES7 960-1AA04-0XA0 |
4th interface |
Interface type |
Pluggable synchronization submodule (FO) |
Plug-in interface modules |
Synchronization submodule IF 960 6ES7 960-1AA04-0XA0 |
Isochronous mode |
Isochronous operation (application synchronized up to terminal) |
No |
equidistance |
No |
Communication functions |
PG/OP communication |
Yes |
● Number of connectable OPs without message processing |
15 |
● Number of connectable OPs with message processing |
8 |
Global data communication |
● supported |
No |
S7 basic communication |
● supported |
No |
S7 communication |
● supported |
Yes |
● as server |
Yes |
● As client |
Yes |
● User data per job, max. |
64 kbyte |
● User data per job (of which consistent), max. |
462 byte; 1 variable |
S5-compatible communication |
● supported |
Yes; (via CP max. 10 and FC AG_SEND and FC AG_RECV) |
● User data per job, max. |
8 kbyte |
● User data per job (of which consistent), max. |
240 byte |
● Number of simultaneous AG-SEND/AG-RECV orders per CPU, max. |
24/24 |
Standard communication (FMS) |
● supported |
Yes; Via CP and loadable FB |
Number of connections |
● overall |
16 |
● 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 |
|
— Reserved for routing |
0 |
— adjustable for routing, max. |
0 |
S7 message functions |
Number of login stations for message functions, max. |
8 |
Symbol-related messages |
No |
Block related messages |
Yes |
simultaneously active Alarm-S blocks, max. |
100 |
Alarm 8-blocks |
Yes |
● Number of instances for alarm 8 and S7 communication blocks, max. |
600 |
● preset, max. |
300 |
Process control messages |
Yes |
Number of archives that can log on simultaneously (SFB 37 AR_SEND) |
16 |
Test commissioning functions |
Status block |
Yes |
Single step |
Yes |
Number of breakpoints |
4 |
Status/control |
● Status/control variable |
Yes |
● Variables |
Inputs/outputs, memory bits, DBs, distributed I/Os, timers, counters |
● Number of variables, max. |
70 |
Forcing |
● Forcing |
Yes |
● Force, variables |
Inputs/outputs, bit memories, distributed I/Os |
● Number of variables, max. |
256 |
Diagnostic buffer |
● present |
Yes |
● Number of entries, max. |
3 200 |
— can be set |
Yes |
— preset |
120 |
Configuration |
Configuration software |
● STEP 7 |
Yes |
programming |
● Command set |
see instruction list |
● Nesting levels |
8 |
● Access to consistent data in process image |
Yes |
● System functions (SFC) |
see instruction list |
● System function blocks (SFB) |
see instruction list |
Programming language |
— LAD |
Yes |
— FBD |
Yes |
— STL |
Yes |
— SCL |
Yes |
— CFC |
Yes |
— GRAPH |
Yes |
— HiGraph® |
Yes |
Number of simultaneously active SFCs |
— RD_REC |
8 |
— WR_REC |
8 |
— WR_PARM |
8 |
— PARM_MOD |
1 |
— WR_DPARM |
2 |
— DPNRM_DG |
8 |
— RDSYSST |
8 |
— DP_TOPOL |
1 |
Number of simultaneously active SFBs |
— RD_REC |
8 |
— WR_REC |
8 |
Know-how protection |
● User program protection/password protection |
Yes |
Dimensions |
Width |
50 mm |
Height |
290 mm |
Depth |
219 mm |
Weights |
Weight, approx. |
990 g |
last modified: |
25.09.2014 |