General information
Product type designationCPU 412-1
HW functional status01
Firmware versionV7.0
Product function
Isochronous modeYes; For PROFIBUS only
Engineering with
Programming packageSTEP 7 V5.4 or higher with HSP 261
CiR - Configuration in RUN
CiR synchronization time, basic load100 ms
CiR synchronization time, time per I/O byte30 µs
Supply voltage
Rated value (DC)Power supply via system power supply
Input current
from backplane bus 5 V DC, typ.0.7 A
from backplane bus 5 V DC, max.0.8 A
from backplane bus 24 V DC, max.150 mA; 150 mA per DP interface
from interface 5 V DC, max.90 mA; At the DP interface
Power loss
Power loss, typ.3.5 W
Storage
Type of memoryRAM
Work memory
integrated512 kbyte
integrated (for program)256 kbyte
integrated (for data)256 kbyte
expandableNo
Load memory
expandable FEPROMYes; with Memory Card (FLASH)
expandable FEPROM, max.64 Mbyte
integrated RAM, max.512 kbyte
expandable RAMYes; with Memory Card (RAM)
expandable RAM, max.64 Mbyte
Backup
presentYes
with batteryYes; all data
without batteryNo
Backup battery
Backup current, typ.180 µA; up to 40 °C
Backup current, max.850 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 CPU5 V DC to 15 V DC
CPU processing times
for bit operations, typ.31.25 ns
for word operations, typ.31.25 ns
for fixed point arithmetic, typ.31.25 ns
for floating point arithmetic, typ.62.5 ns
DB
Number, max.3 000; Number range: 1 to 16000
Size, max.64 kbyte
FB
Number, max.1 500; Number range: 0 to 7999
Size, max.64 kbyte
FC
Number, max.1 500; Number range: 0 to 7999
Size, max.64 kbyte
OB
Number, max.see instruction list
Size, max.64 kbyte
Number of free cycle OBs1; OB 1
Number of time alarm OBs2; OB 10, 11
Number of delay alarm OBs2; OB 20, 21
Number of cyclic interrupt OBs2; OB 32, 35 (shortest cycle that can be set = 500 µs)
Number of process alarm OBs2; OB 40, 41
Number of DPV1 alarm OBs3; OB 55-57
Number of isochronous mode OBs2; OB 61-62
Number of multicomputing OBs1; OB 60
Number of background OBs1; OB 90
Number of startup OBs3; OB 100-102
Number of asynchronous error OBs9; OB 80-88
Number of synchronous error OBs2; OB 121, 122
Nesting depth
per priority class24
additional within an error OB1
S7 counter
Number2 048
Retentivity
— adjustableYes
— presetZ 0 to Z 7
Counting range
— lower limit0
— upper limit999
IEC counter
presentYes
TypeSFB
NumberUnlimited (limited only by RAM capacity)
S7 timer
Number2 048
Retentivity
— adjustableYes
— presetNo times retentive
Time range
— lower limit10 ms
— upper limit9 990 s
IEC timer
presentYes
TypeSFB
NumberUnlimited (limited only by RAM capacity)
Data areas and their retentivity
Retentive data area (incl. timers, counters, flags), max.Total working and load memory (with backup battery)
Flag
Size, max.4 kbyte; Size of bit memory address area
Retentivity availableYes
Retentivity presetMB 0 to MB 15
Number of clock memories8; in 1 memory byte
Local data
adjustable, max.8 kbyte
preset4 kbyte
I/O address area
Inputs4 kbyte
Outputs4 kbyte
Process image
Inputs, adjustable4 kbyte
Outputs, adjustable4 kbyte
Inputs, default128 byte
Outputs, default128 byte
consistent data, max.244 byte
Access to consistent data in process imageYes
Subprocess images
Number of subprocess images, max.15
Digital channels
Inputs32 768
— of which central32 768
Outputs32 768
— of which central32 768
Analog channels
Inputs2 048
— of which central2 048
Outputs2 048
— of which central2 048
Hardware configuration
Number of expansion units, max.21
connectable OPs47
MulticomputingYes; 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
integrated1
via CP10; CP 443-5 Extended
via IM 4674
Mixed mode IM + CP permittedNo; IM 467 cannot be used jointly with CP 443-5 Ext. or CP 443-1 in PROFINET IO mode
via interface module0
Number of pluggable S5 modules (via adapter capsule in central device), max.6
Number of IO Controllers
Integrated0
Via CP4; Max. 4 in the central controller; no mixed operation of different CP 443-1 types in PROFINET IO mode
Number of operable FMs and CPs (recommended)
FMLimited by number of slots and number of connections
CP, PtPCP 440: Limited by number of slots; CP 441: Limited by number of slots and number of connections
PROFIBUS and Ethernet CPs14; In total max. 10 CPs as DP master and PROFINET controller, of which up to 10 IMs or CPs as DP master and up to 4 CPs as PROFINET controller
Slots
required slots1
Clock
Hardware clock (real-time)Yes
retentive and synchronizableYes
Resolution1 ms
Deviation per day (buffered), max.1.7 s; Power off
Deviation per day (unbuffered), max.8.6 s; For power On
Operating hours counter
Number16
Number/Number range0 to 15
Range of valuesSFCs 2, 3 and 4: 0 to 32767 hours SFC 101: 0 to 2^31 - 1 hours
Granularity1 h
retentiveYes
Clock synchronization
supportedYes
to MPI, masterYes
on MPI, deviceYes
to DP, masterYes
on DP, deviceYes
in AS, masterYes
in AS, deviceYes
on Ethernet via NTPNo; Via CP
to IF 964 DPNo
Time difference in system when synchronizing via
MPI, max.200 ms
Interfaces
Interfaces/bus type1 x MPI/PROFIBUS DP
Number of RS 485 interfaces1; Combined MPI / PROFIBUS DP
1. Interface
Interface typeMPI/PROFIBUS DP
IsolatedYes
Interface types
RS 485Yes
Output current of the interface, max.150 mA
Protocols
MPIYes
PROFIBUS DP masterYes
PROFIBUS DP deviceYes
MPI
Number of connections32; If a diagnostics repeater is used on the line, the number of connection resources on the line is reduced by 1
Transmission rate, max.12 Mbit/s
Services
— PG/OP communicationYes
— RoutingYes
— Global data communicationYes
— S7 basic communicationYes
— S7 communicationYes
— S7 communication, as clientYes
— S7 communication, as serverYes
PROFIBUS DP master
Number of connections, max.16; If a diagnostics repeater is used on the line, the number of connection resources on the line is reduced by 1
Transmission rate, max.12 Mbit/s
max. number of DP devices32
Services
— PG/OP communicationYes
— RoutingYes; S7 routing
— Global data communicationNo
— S7 basic communicationYes
— S7 communicationYes
— S7 communication, as clientYes
— S7 communication, as serverYes
— EquidistanceYes
— Isochronous modeYes
— SYNC/FREEZEYes
— activation/deactivation of DP devicesYes
— Direct data exchange (slave-to-slave communication)Yes
— DPV1Yes
Address area
— Inputs, max.2 kbyte
— Outputs, max.2 kbyte
User data per DP device
— user data per DP device, max.244 byte
— Inputs, max.244 byte
— Outputs, max.244 byte
— Slots, max.244
— per slot, max.128 byte
PROFIBUS DP device
Number of connections16
Transmission rate, max.12 Mbit/s
automatic baud rate searchNo
Address area, max.32; Virtual slots
User data per address area, max.32 byte
— of which consistent, max.32 byte
Services
— PG/OP communicationYes; with interface active
— RoutingYes; with interface active
— Global data communicationNo
— S7 basic communicationNo
— S7 communicationYes
— S7 communication, as clientYes
— S7 communication, as serverYes
— Direct data exchange (slave-to-slave communication)No
— DPV1No
Transfer memory
— Inputs244 byte
— Outputs244 byte
Open IE communication
ISO-on-TCP (RFC1006)Via CP 443-1 Adv. and loadable FB
— Data length, max.1 452 bytes via CP 443-1 Adv.
Web server
supportedNo
Isochronous mode
EquidistanceYes
Number of DP masters with isochronous mode1
payload per isochronous device, max.244 byte
shortest clock pulse1.5 ms; 0.5 ms without use of SFC 126, 127
max. cycle32 ms
Communication functions
PG/OP communicationYes
Number of connectable OPs with message processing47; When using Alarm_S/SQ and Alarm_D/DQ
Number of connectable OPs without message processing47
Data record routingYes
Global data communication
supportedYes
Number of GD loops, max.8
Number of GD packets, transmitter, max.8
Number of GD packets, receiver, max.16
Size of GD packets, max.54 byte
Size of GD packet (of which consistent), max.1 variable
S7 basic communication
supportedYes
User data per job, max.76 byte
User data per job (of which consistent), max.1 variable
S7 communication
supportedYes
as serverYes
as clientYes
User data per job, max.64 kbyte
User data per job (of which consistent), max.462 byte
S5 compatible communication
supportedYes; Via FC AG_SEND and AG_RECV, max. via 10 CP 443-1 or 443-5
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)
supportedYes; Via CP and loadable FB
Number of connections
overall48
usable for PG communication47
— reserved for PG communication1
— adjustable for PG communication, max.0
usable for OP communication47
— reserved for OP communication1
— adjustable for OP communication, max.0
usable for S7 basic communication46
— reserved for S7 basic communication0
— adjustable for S7 basic communication, max.0
usable for S7 communication46
— reserved for S7 communication0
— adjustable for S7 communication, max.0
usable for routing23
— reserved for routing0
— adjustable for routing, max.0
S7 message functions
Number of login stations for message functions, max.47; Max. 47 with Alarm_S/SQ and Alarm_D/DQ (OPs); max. 8 with Alarm, Alarm_8, Alarm_8P, Notify and Notify_8 (e.g. WinCC)
Symbol-related messagesYes
SCAN procedureYes
Program alarmsYes
Process diagnostic messagesYes
simultaneously active Alarm_S blocks, max.250; Simultaneously active alarm_S/SQ blocks or alarm_D/DQ blocks
Alarm 8-blocksYes
Number of instances for alarm 8 and S7 communication blocks, max.300
preset, max.150
Process control messagesYes
Number of archives that can log on simultaneously (SFB 37 AR_SEND)4
Number of messages
overall, max.256
in 100 ms grid, max.0
in 500 ms grid, max.256
in 1000 ms grid, max.256
Number of additional values
with 100 ms grid, max.0
with 500, 1000 ms grid, max.1
Test commissioning functions
Status blockYes; Up to 16 simultaneously
Single stepYes
Number of breakpoints16
Status/control
Status/control variableYes; Up to 16 variable tables
VariablesInputs/outputs, memory bits, DBs, distributed I/Os, timers, counters
Number of variables, max.70; Status/control
Forcing
ForcingYes
Forcing, variablesInputs/outputs, bit memories, distributed I/Os
Number of variables, max.64
Diagnostic buffer
presentYes
Number of entries, max.3 200
— can be setYes
— preset120
Service data
Can be read outYes
Standards, approvals, certificates
CE markYes
CSA approvalYes
UL approvalYes
cULusYes
FM approvalYes
RCM (formerly C-TICK)Yes
KC approvalYes
EAC (formerly Gost-R)Yes
Use in hazardous areas
ATEX markingATEX II 3G Ex nA IIC T4 Gc
Ambient temperature during operation
min.0 °C
max.60 °C
Configuration software
STEP 7Yes
Programming
Command setsee instruction list
Nesting levels7
Access to consistent data in process imageYes
System functions (SFC)see instruction list
System function blocks (SFB)see instruction list
Programming language
— LADYes
— FBDYes
— STLYes
— SCLYes
— CFCYes
— GRAPHYes
— HiGraph®Yes
Number of simultaneously active SFCs
— DPSYC_FR2; SFC 11; per interface
— D_ACT_DP8; SFC 12; per interface
— RD_REC8; SFC 59; per interface
— WR_REC8; SFC 58; per interface
— WR_PARM8; SFC 55; per interface
— PARM_MOD1; SFC 57; per interface
— WR_DPARM2; SFC 56; per interface
— DPNRM_DG8; SFC 13; per interface
— RDSYSST8; SFC 51
— DP_TOPOL1; SFC 103; per interface
Number of simultaneously active SFBs
— RDREC8; SFB 52; per interface, but not more than 32 across all external interfaces
— WRREC8; SFB 53; per interface, but not more than 32 across all external interfaces
Know-how protection
User program protection/password protectionYes
Block encryptionYes; With S7 block Privacy
Dimensions
Width25 mm
Height290 mm
Depth219 mm
Weights
Weight, approx.700 g