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SIMATIC S7-400H, CPU 417H CENTRAL UNIT FOR S7-400H 4 INTERFACES: 1 MPI/DP, 1 DP A. 2 FOR SYNC MODULES 20MB MEMORY (10MB CODE/10MB DATA) |
Supply voltage |
24 V DC |
Yes |
Input current |
from backplane bus 5 V DC, max. |
1.7 A |
Power losses |
Power loss, typ. |
6 W |
Memory |
Work memory |
● Integrated |
20 Mbyte |
● 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. |
16 Mbyte |
Backup |
● present |
Yes |
● with battery |
Yes; all data |
● without battery |
No |
Battery |
Backup battery |
● Backup current, typ. |
600 µA |
● Backup current, max. |
1 810 µA |
● Feeding of external backup voltage to CPU |
5 to 15 VDC |
CPU processing times |
for bit operations, typ. |
0.03 µs |
for word operations, typ. |
0.03 µs |
for fixed point arithmetic, typ. |
0.03 µs |
for floating point arithmetic, typ. |
0.09 µs |
CPU-blocks |
DB |
● Number, max. |
8 192; DB 0 reserved |
FB |
● Number, max. |
6 144 |
● Size, max. |
64 kbyte |
FC |
● Number, max. |
6 144 |
● Size, max. |
64 kbyte |
OB |
● Number, max. |
see instruction list |
● Size, max. |
64 kbyte |
Nesting depth |
● per priority class |
24 |
● additional within an error OB |
2 |
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 |
1 |
— upper limit |
999 |
IEC counter |
● present |
Yes |
● Type |
SFB |
S7 times |
● Number |
2 048 |
Time range |
— lower limit |
10 ms |
— upper limit |
9 990 s |
IEC timer |
● present |
Yes |
● Type |
SFB |
Data areas and their retentivity |
Flag |
● Number, max. |
16 kbyte |
● Retentivity available |
Yes; MB 0 to MB 16383 |
● Retentivity preset |
MB 0 to MB 15 |
Data blocks |
● Number, max. |
8 192; DB 0 reserved |
● Size, max. |
64 kbyte |
Address area |
I/O address area |
● Inputs |
16 kbyte |
● Outputs |
16 kbyte |
of which, distributed |
— MPI/DP interface, inputs |
2 kbyte |
— MPI/DP interface, outputs |
2 kbyte |
— DP interface, inputs |
8 kbyte |
— DP interface, outputs |
8 kbyte |
Process image |
● Inputs, adjustable |
16 kbyte |
● Outputs, adjustable |
16 kbyte |
● Inputs, default |
1 024 byte |
● Outputs, default |
1 024 byte |
Subprocess images |
● Number of subprocess images, max. |
8 |
Digital channels |
● Inputs |
131 072 |
● Outputs |
131 072 |
● Inputs, of which central |
131 072 |
● Outputs, of which central |
131 072 |
Analog channels |
● Inputs |
8 192 |
● Outputs |
8 192 |
● Inputs, of which central |
8 192 |
● Outputs, of which central |
8 192 |
Hardware configuration |
Expansion devices, max. |
21 |
Multicomputing |
No |
Interface modules |
● Number of connectable IMs (total), max. |
6 |
● Number of connectable IM 460s, max. |
6 |
● Number of connectable IM 463s, max. |
6; IM 463-2 |
Number of DP masters |
● Integrated |
2 |
● via IM 467 |
0 |
● 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 operable FMs and CPs (recommended) |
● FM |
64; Limited by number of slots and number of connections |
● CP, point-to-point |
64; Limited by number of slots and number of connections |
● CP, LAN |
64; Limited by number of slots and number of connections |
Slots |
● Required slots |
2 |
Time of day |
Clock |
● Hardware clock (real-time clock) |
Yes |
● battery-backed and synchronizable |
Yes |
Operating hours counter |
● Number |
8 |
Clock synchronization |
● supported |
Yes |
1st interface |
Physics |
RS 485 / PROFIBUS |
Isolated |
Yes |
Functionality |
● MPI |
Yes; Default setting |
● DP master |
Yes |
● DP slave |
No |
MPI |
● Number of connections |
44 |
● Transmission rate, max. |
12 Mbit/s |
Services |
— PG/OP communication |
Yes |
— Global data communication |
No |
— S7 basic communication |
No |
— S7 communication |
Yes |
— S7 communication, as client |
Yes |
— S7 communication, as server |
Yes |
DP master |
● Number of connections, max. |
32 |
● Transmission rate, max. |
12 Mbit/s |
● Number of DP slaves, max. |
32; Number of slots, max. 512 |
Services |
— PG/OP communication |
Yes |
— Global data communication |
No |
— S7 basic communication |
No |
— S7 communication |
No |
— S7 communication, as client |
No |
— S7 communication, as server |
No |
— 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 |
— Inputs, max. |
244 byte |
— Outputs, max. |
244 byte |
2nd interface |
Physics |
RS 485 / PROFIBUS |
Isolated |
Yes |
Functionality |
● DP master |
Yes |
● DP slave |
No |
● Point-to-point connection |
No |
DP master |
● Number of connections, max. |
32 |
● Transmission rate, max. |
12 Mbit/s |
● Number of DP slaves, max. |
125; Number of slots, max. 2048 |
Services |
— PG/OP communication |
Yes |
— Global data communication |
No |
— S7 basic communication |
No |
— S7 communication |
No |
— S7 communication, as client |
No |
— S7 communication, as server |
No |
— 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. |
8 kbyte |
— Outputs, max. |
8 kbyte |
User data per DP slave |
— Inputs, max. |
244 byte |
— Outputs, max. |
244 byte |
Communication functions |
PG/OP communication |
Yes |
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 |
S5-compatible communication |
● supported |
Yes; via CP and loadable FC |
● User data per job, max. |
8 kbyte |
Standard communication (FMS) |
● supported |
Yes; Via CP and loadable FB |
● User data per job, max. |
Dependent on CP |
Number of connections |
● overall |
64 |
● 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 routing |
|
— Reserved for routing |
0 |
— adjustable for routing, max. |
0 |
S7 message functions |
Number of login stations for message functions, max. |
16 |
Configuration |
Configuration software |
● STEP 7 |
Yes; V5.0 SP2 |
programming |
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 |
50 mm |
Height |
290 mm |
Depth |
219 mm |
Weights |
Weight, approx. |
1 070 g |
last modified: |
25.09.2014 |