General information
Product type designationCPU 1508S F
Software versionV40.1
Product function
I&M dataYes; I&M0 to I&M3
SysLogYes
Engineering with
STEP 7 TIA Portal configurable/integrated from versionV21 Update 1
Configuration control
via datasetYes
Storage
SIMATIC memory card requiredNo; Use of the PC mass storage
Work memory
integrated (for program)20 Mbyte
integrated (for data)200 Mbyte
integrated (for CPU function library of CPU Runtime)50 Mbyte; Note: The "CPU function library of the CPU" are C/C++ blocks for the user program that were created using the SIMATIC ODK 1500S or Target 1500S.
Load memory
integrated (on PC mass storage)1 024 Mbyte
Backup
with UPSYes; all memory areas declared retentive
with non-volatile memoryYes; Depending on PC hardware
CPU processing times
for bit operations, typ.0.3 ns; On BX-59A, Core i7-13700E, 3.6 GHz
for word operations, typ.0.8 ns; On BX-59A, Core i7-13700E, 3.6 GHz
for fixed point arithmetic, typ.0.8 ns; On BX-59A, Core i7-13700E, 3.6 GHz
for floating point arithmetic, typ.2 ns; On BX-59A, Core i7-13700E, 3.6 GHz
CPU-blocks
Number of elements (total)40 000; Blocks (OB, FB, FC, DB) and UDTs
DB
Size, max.16 Mbyte; For DBs with absolute addressing, the max. size is 64 KB
FB
Size, max.1 Mbyte
FC
Size, max.1 Mbyte
OB
Size, max.1 Mbyte
Number of free cycle OBs100
Number of time alarm OBs20
Number of delay alarm OBs20
Number of cyclic interrupt OBs20; with minimum OB 3x cycle of 100 µs
Number of process alarm OBs50
Number of DPV1 alarm OBs3
Number of isochronous mode OBs2
Number of startup OBs100
Number of asynchronous error OBs4
Number of synchronous error OBs2
Number of diagnostic alarm OBs1
Nesting depth
per priority class24; Up to 8 possible for F-blocks
S7 counter
Number2 048
Retentivity
— adjustableYes
IEC counter
NumberAny (only limited by the main memory)
Retentivity
— adjustableYes
S7 timer
Number2 048
Retentivity
— adjustableYes
IEC timer
NumberAny (only limited by the main memory)
Retentivity
— adjustableYes
Data areas and their retentivity
Retentive data area (incl. timers, counters, flags), max.135 kbyte; on SIMATIC IPC with NVRAM option
Extended retentive data area (incl. timers, counters, flags), max.20 Mbyte; When using PC mass storage for retentive data
Flag
Size, max.16 kbyte
Number of clock memories8; 8 clock memory bit, grouped into one clock memory byte
Data blocks
Retentivity adjustableYes
Retentivity presetNo
Local data
per priority class, max.64 kbyte; max. 16 KB per block
Address area
Number of IO modules8 192; max. number of modules / submodules
I/O address area
Inputs32 kbyte; All inputs are in the process image
Outputs32 kbyte; All outputs are in the process image
Subprocess images
Number of subprocess images, max.32
Hardware configuration
Number of distributed IO systems20
Number of DP masters
via PC interfacesProfibus interface is not available.
Via CMProfibus interface is not available.
Number of IO Controllers
via PC interfaces3; any combination of RT or IRT interfaces
Clock
TypeSoftware clock, synchronizable, no battery backup
Deviation per day, max.Depending on PC hardware
Operating hours counter
Number16
Clock synchronization
supportedYes
to DP, masterNo
on Ethernet via NTPYes
on Windows clock, deviceYes
Interfaces
Number of interfaces3; max. value; depends on IPC model & inserted CP card
Number of PROFINET interfaces3
Number of PROFIBUS interfaces0
1. Interface
Interface typeSIMATIC CP1625-2 PCIe Card (for BX-39A, refer to manual)
Interface types
RJ 45 (Ethernet)Yes; X301 X1
— Transmission rate, max.100 Mbit/s
— Industrial Ethernet status LEDYes
Number of ports2
integrated switchYes
Protocols
IP protocolYes; IPv4
PROFINET IO ControllerYes
PROFINET IO DeviceYes
SIMATIC communicationYes
Open IE communicationYes; Optionally also encrypted
Web serverYes
Media redundancyYes
Services
— Isochronous modeYes
— Direct data exchangeYes; Requirement: IRT and isochronous mode (MRPD optional)
— shortest clock pulse500 µs
— IRTYes
— PROFIenergyYes; per user program
— Prioritized startupYes; Max. 32 PROFINET devices
— Number of connectable IO Devices, max.512; in total, up to 1 152 distributed I/O devices can be connected
— Of which IO devices with IRT, max.64; with DFP: 256 IO devices in 8 DFP groups
— Number of connectable IO Devices for RT, max.512
— of which in line, max.512
— Number of IO Devices that can be simultaneously activated/deactivated, max.8; in total across all interfaces
— Number of IO Devices per tool, max.8
— Updating timesThe minimum value of the update time also depends on communication share set for PROFINET IO, on the number of IO devices, and on the quantity of configured user data
— PROFINET Security Class1
Update time for IRT
— for send cycle of 250 µs250 µs to 4 ms
— for send cycle of 500 µs500 µs to 8 ms
— for send cycle of 1 ms1 ms to 16 ms
— for send cycle of 2 ms2 ms to 32 ms
— for send cycle of 4 ms4 ms to 64 ms
— With IRT and parameterization of "odd" send cyclesUpdate time = set "odd" send clock (any multiple of 125 µs: 375 µs, 625 µs ... 3 875 µs)
Update time for RT
— for send cycle of 250 µs250 µs to 128 ms
— for send cycle of 500 µs500 µs to 256 ms
— for send cycle of 1 ms1 ms to 512 ms
— for send cycle of 2 ms2 ms to 512 ms
— for send cycle of 4 ms4 ms to 512 ms
Address area
— Inputs, max.16 kbyte
— Outputs, max.16 kbyte
Services
— Isochronous modeYes
— IRTYes
— PROFIenergyYes; per user program
— Shared deviceYes
— Number of IO Controllers with shared device, max.4
— activation/deactivation of I-devicesYes; per user program
— Asset management recordYes; per user program
— PROFINET Security ClassSNMP Configuration and DCP Read Only
2. Interface
Interface typeSIMATIC CP1625-2 PCIe Card (regarding BX-39A see manual)
Interface types
RJ 45 (Ethernet)Yes; X301 X2
— Transmission rate, max.100 Mbit/s
— Industrial Ethernet status LEDYes
Number of ports2
integrated switchYes
Protocols
IP protocolYes; IPv4
PROFINET IO ControllerYes
PROFINET IO DeviceYes
SIMATIC communicationYes
Open IE communicationYes; Optionally also encrypted
Web serverYes
Media redundancyYes
Services
— Isochronous modeYes
— Direct data exchangeYes; Requirement: IRT and isochronous mode (MRPD optional)
— IRTYes
— PROFIenergyYes; per user program
— Prioritized startupNo
— Number of connectable IO Devices, max.512; in total, up to 1 152 distributed I/O devices can be connected
— Of which IO devices with IRT, max.64; with DFP: 256 IO devices in 8 DFP groups
— Number of connectable IO Devices for RT, max.512
— of which in line, max.512
— Number of IO Devices that can be simultaneously activated/deactivated, max.8; in total across all interfaces
— Number of IO Devices per tool, max.8
— Updating timesThe minimum value of the update time also depends on communication share set for PROFINET IO, on the number of IO devices, and on the quantity of configured user data
— PROFINET Security Class1
Update time for IRT
— for send cycle of 250 µs250 µs to 4 ms
— for send cycle of 500 µs500 µs to 8 ms
— for send cycle of 1 ms1 ms to 16 ms
— for send cycle of 2 ms2 ms to 32 ms
— for send cycle of 4 ms4 ms to 64 ms
— With IRT and parameterization of "odd" send cyclesUpdate time = set "odd" send clock (any multiple of 125 µs: 375 µs, 625 µs ... 3 875 µs)
Update time for RT
— for send cycle of 250 µs250 µs to 128 ms
— for send cycle of 500 µs500 µs to 256 ms
— for send cycle of 1 ms1 ms to 512 ms
— for send cycle of 2 ms2 ms to 512 ms
— for send cycle of 4 ms4 ms to 512 ms
Address area
— Inputs, max.16 kbyte
— Outputs, max.16 kbyte
Services
— Isochronous modeYes
— IRTYes
— PROFIenergyYes; per user program
— Shared deviceYes
— Number of IO Controllers with shared device, max.4
— activation/deactivation of I-devicesYes; per user program
— Asset management recordYes; per user program
— PROFINET Security ClassSNMP Configuration and DCP Read Only
3. Interface
Interface typeOnboard PROFINET / IE interface X2,X3 or X4 (refer to manual)
Interface types
RJ 45 (Ethernet)Yes
— Transmission rate, max.100 Mbit/s
— Industrial Ethernet status LEDYes
Number of ports1
integrated switchNo
Protocols
IP protocolYes; IPv4
PROFINET IO ControllerYes
PROFINET IO deviceYes
SIMATIC communicationYes
Open IE communicationYes; Optionally also encrypted
Web serverYes
Services
— Isochronous modeNo
— IRTNo
— PROFIenergyYes
— Prioritized startupYes; max. 32 PROFINET devices; if you want to use the "Prioritized startup" functionality in STEP 7 for the PROFINET interface of the CPU, the CPU and the device must be separated by means of a switch (e.g. SCALANCE X205)
— Number of connectable IO Devices for RT, max.128; in total, up to 1 152 distributed I/O devices can be connected
— of which in line, max.128
— Number of IO Devices that can be simultaneously activated/deactivated, max.8
— Number of IO Devices per tool, max.8
— Updating timesThe minimum value of the update time also depends on communication share set for PROFINET IO, on the number of IO devices, and on the quantity of configured user data
Address area
— Inputs, max.8 kbyte
— Outputs, max.8 kbyte
Services
— Isochronous modeNo
— IRTNo
— PROFIenergyYes
— Shared deviceYes
— Number of IO Controllers with shared device, max.4
Protocols
PROFIsafeYes; V2.4 / V2.6
Number of connections
Number of connections, max.192
Number of connections reserved for ES/HMI/web10
Number of S7 routing paths16
Redundancy mode
H-Sync forwardingYes
Media redundancy
— Media redundancyvia interfaces of SIMATIC CP1625-2
— MRPYes; MRP Automanager according to IEC 62439-2 Edition 2.0, MRP Manager; MRP Client
— MRP interconnection, supportedYes; as MRP ring node according to IEC 62439-2 Edition 3.0
— MRPDYes; Requirement: IRT
— Switchover time on line break, typ.200 ms; For MRP, bumpless for MRPD
— Number of stations in the ring, max.50
SIMATIC communication
PG/OP communicationYes; encryption with TLS V1.3 pre-selected
S7 routingYes; not via Linux interfaces
S7 communication, as serverYes
S7 communication, as clientYes
User data per job, max.See online help (S7 communication, user data size)
Open IE communication
TCP/IPYes
— Data length, max.64 kbyte
— several passive connections per port, supportedYes
ISO-on-TCP (RFC1006)Yes
— Data length, max.64 kbyte
UDPYes
— Data length, max.2 kbyte; 1 472 bytes for UDP broadcast
— UDP multicastYes; max. 128 multicast circuits
DHCPYes
DNSYes
SNMPYes
DCPYes
LLDPYes
EncryptionYes; Optional
Web server
HTTPYes; Standard and user pages
HTTPSYes; Standard and user pages
— Number of sessions, max.200
— number of simultaneous HTTP calls, max.4
— HTTP request body, max.131 072 byte
OPC UA
Runtime license requiredYes; "Large" license required
OPC UA ClientYes; Data Access (registered Read/Write), Method Call
— Application authenticationYes
— Security policiesAvailable security policies: None, Basic128Rsa15, Basic256Rsa15, Basic256Sha256
— User authentication"anonymous" or by user name & password
— Number of connections, max.40
— Number of nodes of the client interfaces, recommended max.5 000
— Number of elements for one call of OPC_UA_NodeGetHandleList/OPC_UA_ReadList/OPC_UA_WriteList, max.300
— Number of elements for one call of OPC_UA_NameSpaceGetIndexList, max.20
— Number of elements for one call of OPC_UA_MethodGetHandleList, max.100
— Number of simultaneous calls of the client instructions for session management, per connection, max.1
— Number of simultaneous calls of the client instructions for data access, per connection, max.5; for OPC_UA_MethodCall 300 in total (no limit per connection)
— Number of registerable nodes, max.5 000
— Number of registerable method calls of OPC_UA_MethodCall, max.100
— Number of inputs/outputs when calling OPC_UA_MethodCall, max.20
OPC UA ServerYes; data access (read, write, subscribe), method call, alarms & condition (A&C), custom address space, role-based access control
— Application authenticationYes
— Security policiesavailable security policies: None, Basic128Rsa15, Basic256Rsa15, Basic256Sha256, Aes128Sha256RsaOaep, Aes256Sha256RsaPss
— User authentication"anonymous" or by user name & password
— GDS support (certificate management)Yes
— Number of sessions, max.64
— Number of accessible variables, max.200 000
— Number of registerable nodes, max.50 000
— Number of subscriptions per session, max.50
— Sampling interval, min.10 ms
— Publishing interval, min.10 ms
— Number of server methods, max.8 000; max. 200 concurrently running jobs each for asynchronous instructions OPC_UA_ServerMethodPre (V1.1) and OPC_UA_ServerMethodPost (V1.1)
— Number of inputs/outputs per server method, max.20
— Number of monitored items, recommended max.60 000; for 1 s sampling interval and 1 s send interval
— Number of server interfaces, max.10 of each "Server interfaces" / "Companion specification" type and 20 of the type "Reference namespace"
— Number of nodes for user-defined server interfaces, max.200 000
Alarms and ConditionsYes
— Number of program alarms400
— Number of alarms for system diagnostics200
Further protocols
MODBUSYes; MODBUS TCP
S7 message functions
Number of login stations for message functions, max.32
Program alarmsYes
Number of configurable program messages, max.10 000
Number of loadable program messages in RUN, max.5 000
Number of simultaneously active program alarms1 000
Number of program alarms1 000
Number of alarms for system diagnostics200
Number of alarms for motion technology objects780
Test commissioning functions
Joint commission (Team Engineering)Yes; Parallel online access possible for up to 10 engineering systems
Status blockYes; up to 8 simultaneously
Single stepNo
Number of breakpoints8
ProfilingYes
Status/control
Status/control variableYes
VariablesInputs/outputs, memory bits, DBs, distributed I/Os, timers, counters
— of which status variables, max.200; per job
— of which control variables, max.200; per job
Forcing
ForcingYes
Forcing, variablesPeripheral inputs/outputs
Number of variables, max.200
Diagnostic buffer
presentYes
Number of entries, max.1 000
— of which powerfail-proof300
Traces
Number of configurable Traces4
Memory size per trace, max.512 kbyte
Diagnostics indication LED
RUN/STOP LEDYes; HW LED of SIMATIC IPC BX39A, IPC BX59A
ERROR LEDYes; HW LED of SIMATIC IPC BX39A, IPC BX59A
MAINT LEDYes; HW LED of SIMATIC IPC BX39A, IPC BX59A
Supported technology objects
Motion ControlYes; Note: The number of technology objects affects the cycle time of the PLC program; selection guide via the TIA Selection Tool
Number of available Motion Control resources for technology objects9 600
— per speed-controlled axis40
— per positioning axis80
— per synchronous axis160
— per external encoder80
— per output cam20
— per cam track160
— per probe40
— Number of positioning axes at motion control cycle of 4 ms (typical value)120
— Number of positioning axes at motion control cycle of 8 ms (typical value)120
PID_CompactYes; Universal PID controller with integrated optimization
PID_3StepYes; PID controller with integrated optimization for valves
PID-TempYes; PID controller with integrated optimization for temperature
High-speed counterYes
Highest safety class achievable in safety mode
Performance level according to ISO 13849-1PLe
SIL acc. to IEC 61508SIL 3
Probability of failure (for service life of 20 years and repair time of 100 hours)
— Low demand mode: PFDavg in accordance with SIL3< 2.00E-05
— High demand/continuous mode: PFH in accordance with SIL3< 1.00E-09
Security
signed firmware updateYes
securely removing dataYes
Hardware requirement
Hardware requiredBX59A - BX/PX39A
Processor
Single-core processorNo
Single-core processor with hyper-threadingNo
Multi-core processorYes
Multi-core processor with hyper-threadingYes
occupied cores1; For multicore processors with activated Hyper-Threading, one complete physical core is reserved for the CPU 1507S
Storage
Work memory, min.16 Gbyte
Hard disk memory required for installation3 Gbyte
Temporary hard disk memory for installation300 Mbyte
Hard disk memory required at runtime4 Gbyte
Runs under operating system
LinuxYes; SIMATIC Industrial OS V4.2 and onwards
Programming language
— LADYes; incl. failsafe
— FBDYes; incl. failsafe
— STLYes
— SCLYes
— CFCYes
— GRAPHYes
Know-how protection
User program protection/password protectionYes
Copy protectionYes
Block protectionYes
Access protection
protection of confidential configuration dataYes
Protection level: Write protectionYes
Protection level: Read/write protectionYes
Protection level: Write protection for FailsafeYes
Protection level: Complete protectionYes
User administrationYes; device-wide and centralized
Number of users100
Number of groups100
Number of roles50
Cycle time monitoring
lower limitadjustable minimum cycle time
upper limitadjustable maximum cycle time
Open Development interfaces
Size of ODK SO file, max.9.8 Mbyte