SIMATIC S7-400, CPU KB WORKING MEMORY (384 KB CODE, 384 KB DATA) 1. INTERFACE MPI/DP 12 MBIT/S 2.IF PROFIBUS DP, 3.

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1 Product data sheet SIMATIC S7-400, CPU KB WORKING MEMORY (384 KB CODE, 384 KB DATA) 1. INTERFACE MPI/DP 12 MBIT/S 2.IF PROFIBUS DP, 3.IF FOR IFM CiR - Configuration in RUN CiR synchronization time, basic load 100 ms CiR synchronization time, time per I/O slave 120 µs Supply voltage 24 V DC Input current from backplane bus 5 V DC, typ. from backplane bus 5 V DC, max. from backplane bus 24 V DC, max. 1.5 A 1.6 A ; typ. 1.5 A 450 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. Program memory, max. 384 kbyte 384 kbyte Work memory Integrated expandable 768 kbyte Load memory expandable FEPROM expandable FEPROM, max. integrated RAM, max. expandable RAM expandable RAM, max. ; with Memory Card (FLASH) 64 Mbyte 256 kbyte ; with Memory Card (RAM) 64 Mbyte Backup present with battery without battery ; all data Battery Page 1/ 10

2 Backup battery Backup current, typ. 40 µa Backup current, max. 420 µa Feeding of external backup voltage to CPU 5 to 15 VDC CPU processing times for bit operations, typ. 0.1 µs for word operations, typ. 0.1 µs for fixed point arithmetic, typ. 0.1 µs for floating point arithmetic, typ. 0.6 µs CPU-blocks DB Number, max. Size, max ; DB 0 reserved FB Number, max Size, max. FC Number, max Size, max. OB Number, max. Size, max. see instruction list 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 2 Counters, timers and their retentivity S7 counter Number 256 Retentivity can be set lower limit 0 upper limit 255 preset Z 0 to Z 7 Counting range Page 2/ 10

3 lower limit 1 upper limit 999 IEC counter present Type SFB S7 times Number 256 Retentivity can be set lower limit 0 upper limit 255 preset retentivity Time range lower limit upper limit 10 ms 9990 s IEC timer present 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 ; from MB 0 to MB 8191 Retentivity preset MB 0 to MB 15 Number of clock memories 8 ; 1 memory byte Data blocks Number, max. Size, max ; DB 0 reserved Address area I/O address area Inputs Outputs 8 kbyte 8 kbyte of which, distributed MPI/DP interface, inputs MPI/DP interface, outputs DP interface, inputs DP interface, outputs 2 kbyte 2 kbyte 6 kbyte 6 kbyte Process image Page 3/ 10

4 Inputs, adjustable Outputs, adjustable Inputs, default Outputs, default consistent data, max. Access to consistent data in process image 8 kbyte ; adjustable at the expense of the code area of the RAM 8 kbyte ; adjustable at the expense of the code area of the RAM 256 byte 256 byte Subprocess images Number of subprocess images, max. 8 Digital channels Inputs Outputs Inputs, of which central Outputs, of which central Analog channels Inputs 4096 Outputs 4096 Inputs, of which central 4096 Outputs, of which central 4096 Hardware configuration Expansion devices, max. connectable OPs Multicomputing 21 ; of which 6 ER with K-bus 31 without message processing, 8 with message processing ; 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 Number of DP masters Integrated 2 via IM Via CP 10 Mixed mode IM + CP permitted ; IM 467 cannot be used jointly with CP Ext. via interface module 1 Number of pluggable S5 modules (via adapter capsule in central device), max. 6 Number of operable FMs and CPs (recommended) FM CP, point-to-point CP, LAN 32 ; Limited by number of slots and number of connections 32 ; limited by number of slots 32 ; limited by number of connections PROFIBUS and Ethernet CPs 14 ; incl. CP Ext. and IM 467 Page 4/ 10

5 Slots Required slots 2 Time of day Clock Hardware clock (real-time clock) battery-backed and synchronizable Resolution 1 ms Operating hours counter Number 8 Clock synchronization to MPI, master to MPI, slave to DP, master to DP, slave in AS, master in AS, slave to IF 964 DP ; as Master or Slave 1st interface Physics Isolated RS 485 / PROFIBUS Number of connection resources MPI: 32, DP: 16 Functionality MPI DP master DP slave MPI Number of connections 32 Transmission rate, max. 12 Mbit/s Services PG/OP communication Routing Global data communication S7 basic communication S7 communication DP master Number of connections, max. 16 Transmission rate, max. 12 Mbit/s Page 5/ 10

6 Number of DP slaves, max. 32 Services PG/OP communication Routing Global data communication S7 basic communication S7 communication Equidistance mode support SYNC/FREEZE Activation/deactivation of DP slaves Direct data exchange (slave-to-slave communication) Address area Inputs, max. Outputs, max. 2 kbyte 2 kbyte User data per DP slave Inputs, max. Outputs, max. 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. User data per address area, of which consistent, max. 32 byte 32 byte Services PG/OP communication Routing ; with interface active ; with interface active Transfer memory Inputs Outputs 2nd interface Physics Isolated RS 485 / PROFIBUS Number of connection resources 16 Functionality DP master DP slave DP master Page 6/ 10

7 Number of connections, max. 16 Transmission rate, max. 12 Mbit/s Number of DP slaves, max. 96 Services PG/OP communication Routing Global data communication S7 basic communication S7 communication Equidistance mode support SYNC/FREEZE Activation/deactivation of DP slaves Direct data exchange (slave-to-slave communication) Address area Address area, max. Inputs, max. Outputs, max. 6 kbyte ; 6 Kbytes/6 Kbytes 6 kbyte 6 kbyte User data per DP slave Inputs, max. Outputs, max. 128 byte 128 byte DP slave Transmission rate, max. 12 Mbit/s Address area, max. 32 User data per address area, max. User data per address area, of which consistent, max. 32 byte 32 byte Services Routing ; with interface active Transfer memory Inputs Outputs 3rd interface Interface type Plug-in interface modules Pluggable interface module (IF), technical data as for 2nd interface IF 964-DP Isochronous mode Isochronous operation (application synchronized up to terminal) User data per isochronous slave, max. equidistance 128 byte shortest clock pulse 5 ms ; 2.5 ms without using the SFCs 126 / 127 Page 7/ 10

8 Communication functions PG/OP communication Global data communication Number of GD packets, transmitter, max. 8 Number of GD packets, receiver, max. 16 Size of GD packets, max. 64 byte S7 basic communication User data per job, max. 76 byte S7 communication as server As client User data per job, max. S5-compatible communication User data per job, max. ; via CP and FC AG_SEND and FC AG_RECV 8 kbyte Standard communication (FMS) ; Via CP and loadable FB Number of connections overall 32 ; 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 Reserved for routing 0 adjustable for routing, max. 0 S7 message functions Page 8/ 10

9 Number of login stations for message functions, max. 8 Symbol-related messages Block related messages Alarm 8-blocks Process control messages Test commissioning functions Status block Single step Number of breakpoints 4 Status/control Status/control variable Forcing Forcing Diagnostic buffer present Number of entries, max can be set Configuration Configuration software STEP 7 programming Nesting levels 8 Programming language LAD FBD STL SCL CFC GRAPH HiGraph Know-how protection User program protection/password protection Dimensions Width Height Depth 50 mm 290 mm 219 mm Weights Weight, approx g Page 9/ 10

10 Status Oct 13, 2014 Page 10/ 10