- Ambient temperature during operation maximum [°C]
- 60
- Ambient temperature during operation minimum [°C]
- 0
- Amount of data at the 2nd interface as DP master as reference data for outputs per distributed I/O slave maximum [byte]
- 244
- Amount of data at the 2nd interface as DP master as user data for inputs per distributed I/O slave maximum [byte]
- 244
- Amount of data at the 2nd interface as DP slave as user data per address range maximum [byte]
- 32
- Amount of data of data modules maximum [kbyte]
- 64
- Amount of data of function blocks maximum [kbyte]
- 64
- Amount of data of organization blocks maximum [kbyte]
- 64
- Amount of data of the address area of the inputs at the 2nd interface as DP master maximum [byte]
- 2048
- Amount of data of the address area of the inputs total [byte]
- 2048
- Amount of data of the address area of the outputs at the 2nd interface as DP master maximum [byte]
- 2048
- Amount of data of the address area of the outputs total [byte]
- 2048
- Amount of data of the FC subprograms maximum [kbyte]
- 64
- Buffer time of the hardware real-time clock typical [h]
- 1008
- Buffer time of the hardware real-time clock typical Note
- At 40 °C ambient temperature
- Buffering time in the event of power failure [ms]
- 5
- Communication function Dataset gateway
- yes
- Communication function S7 client communication
- yes
- Communication function S7 client communication Note
- Via CP and loadable FB
- Communication function S7 communication
- yes
- Communication function S7 server communication
- yes
- Consumed current during no-load operation typical [A]
- 0.15
- Consumed current rated value [mA]
- 850
- Depth [mm]
- 130
- Design of the external protection for mains supply line recommended
- 2 A min.
- Design of the interface at the 1st interface
- Integrated RS 485 interface
- Design of the interface at the 2nd interface
- Integrated RS 485 interface
- Design of the PLC basic equipment
- Modular
- Equipment marking acc. to DIN EN 81346-2
- K
- Firmware version
- V3.3
- Height [mm]
- 125
- I2t value [A2.s]
- 1
- Inrush current typical [A]
- 3.5
- Mounting type front mounting
- no
- Mounting type rack mounting
- no
- Mounting type rail mounting
- yes
- Mounting type wall mounting
- no
- Number of address ranges at the 2nd interface as DP slave maximum
- 32
- Number of analog inputs
- 0
- Number of analog inputs addressable
- 1024
- Number of analog inputs centrally addressable
- 256
- Number of analog inputs/outputs addressable maximum
- 1024
- Number of analog inputs/outputs addressable maximum Note
- Inputs and outputs in each case
- Number of analog outputs
- 0
- Number of analog outputs addressable
- 1024
- Number of analog outputs centrally addressable
- 256
- Number of asynchronous error OBs
- 5
- Number of asynchronous error OBs Note
- OB 80, 82, 85, 86, 87
- Number of breakpoints of the test/commissioning function
- 4
- Number of CP LAN units recommended
- 10
- Number of cyclic interrupt OBs
- 4
- Number of cyclic interrupt OBs Note
- OB 32, 33, 34, 35
- Number of data blocks maximum
- 1024
- Number of data blocks maximum Note
- Number range: 1 to 16000
- Number of digital inputs
- 0
- Number of digital inputs addressable
- 16384
- Number of digital inputs centrally addressable
- 1024
- Number of digital inputs/outputs addressable maximum
- 16384
- Number of digital inputs/outputs addressable maximum Note
- Inputs and outputs in each case
- Number of digital outputs
- 0
- Number of digital outputs addressable
- 16384
- Number of digital outputs centrally addressable
- 1024
- Number of DP masters Integrated
- 1
- Number of DP slaves at the 2nd interface as DP master can be activated/deactivated simultaneously maximum
- 8
- Number of DP slaves at the 2nd interface as DP master maximum
- 124
- Number of DP slaves at the 2nd interface as DP master maximum Note
- Per station
- Number of DPV1 interrupt OBs
- 3
- Number of DPV1 interrupt OBs Note
- OB 55, 56, 57
- Number of entries in the diagnostic buffer maximum
- 500
- Number of expansion devices maximum
- 3
- Number of FC subprograms maximum
- 1024
- Number of FC subprograms maximum Note
- Number range: 0 to 7999
- Number of free cycle OBs
- 1
- Number of free cycle OBs Note
- OB 1
- Number of function blocks maximum
- 1024
- Number of function blocks maximum Note
- Number range: 0 to 7999
- Number of function modules recommended
- 8
- Number of hardware interrupt OBs
- 1
- Number of hardware interrupt OBs Note
- OB 40
- Number of IEC counters Note
- Unlimited (limited only by RAM capacity)
- Number of IEC timers Note
- Unlimited (limited only by RAM capacity)
- Number of interfaces acc. to Industrial Ethernet
- 0
- Number of interfaces acc. to PROFINET
- 0
- Number of interfaces acc. to RS 422
- 0
- Number of interfaces acc. to RS 485
- 2
- Number of interfaces acc. to RS 485 Note
- MPI and PROFIBUS DP
- Number of interfaces other
- 0
- Number of isochronous mode OBs
- 1
- Number of isochronous mode OBs Note
- OB 61
- Number of operating hours counters
- 1
- Number of point-to-point components recommended
- 8
- Number of possible connections for S7 basic communication usable
- 12
- Number of racks maximum
- 4
- Number of relay outputs Integrated maximum
- 0
- Number of S7 counters
- 256
- Number of S7 timers
- 256
- Number of startup OBs
- 1
- Number of startup OBs Note
- OB 100
- Number of synchronous error OBs
- 2
- Number of synchronous error OBs Note
- OB 121, 122
- Number of time-delay interrupt OBs
- 2
- Number of time-delay interrupt OBs Note
- OB 20, 21
- Number of time-of-day interrupt OBs
- 1
- Number of time-of-day interrupt OBs Note
- OB 10
- Number of units per rack maximum
- 8
- Number of variables of the test/commissioning function: Control maximum
- 14
- Number of variables of the test/commissioning function: Force maximum
- 10
- Number of variables of the test/commissioning function: Status maximum
- 30
- Number of variables of the test/commissioning function: Status/Control maximum
- 30
- Power loss [W] typical [mW]
- 4500
- Processing time for 1000 bit operations [ms]
- 0.05
- Processing time for bit operation typical [ns]
- 50
- Processing time for fixed-point arithmetic typical [µs]
- 0.12
- Processing time for floating-point arithmetic typical [µs]
- 0.45
- Processing time for word operations typical [ns]
- 90
- Product brand name
- SIMATIC
- Product category
- CPU
- Product component display
- no
- Product component Hardware real-time clock
- yes
- Product extension Main memory expansion
- no
- Product family
- S7-300
- Product feature of the hardware real-time clock buffered and synchronizable
- yes
- Product feature of the memory buffered
- yes
- Product feature of the memory buffered Note
- Guaranteed by MMC (maintenance-free)
- Product feature redundancy capability
- yes
- Product feature retentive operating hours counter
- yes
- Product feature retentive operating hours counter Note
- Must be restarted at each restart
- Product function at the 1st interface DP master
- no
- Product function at the 1st interface DP slave
- no
- Product function at the 1st interface Galvanic isolation
- no
- Product function at the 1st interface MPI
- yes
- Product function at the 1st interface PROFIBUS DP master
- no
- Product function at the 1st interface PROFIBUS DP slave
- no
- Product function at the 1st interface PtP
- no
- Product function at the 2nd interface DP master
- yes
- Product function at the 2nd interface DP slave
- yes
- Product function at the 2nd interface Galvanic isolation
- yes
- Product function at the 2nd interface MPI
- no
- Product function at the 2nd interface PROFIBUS DP master
- yes
- Product function at the 2nd interface PROFIBUS DP slave
- yes
- Product function at the 2nd interface PtP
- no
- Product function of S7 counters adjustable retentive memory requirement
- yes
- Product function of the S7 timers adjustable retentive memory requirement
- yes
- Product function of the test/commissioning function Single step
- yes
- Product function time synchronization
- yes
- Produkteigenschaft des Puffers ohne Batterie
- yes
- Produkteigenschaft des Puffers ohne Batterie Anmerkung
- Program and data
- Programming language CFC
- yes
- Programming language GRAPH
- yes
- Programming language HiGraph
- yes
- Programming language SCL
- yes
- Programming language STEP 7
- yes
- Programming language STEP 7 Note
- V5.2 SP1 or higher with HW update
- Programming language usable FUP
- yes
- Programming language usable KOP
- yes
- Programming language usable STL
- yes
- Protocol is supported AS-interface protocol
- no
- Protocol is supported MODBUS protocol
- no
- Protocol is supported other protocols
- yes
- Protocol is supported other protocols Note
- MPI
- Protocol is supported PROFIBUS protocol
- yes
- Protocol is supported PROFINET CBA protocol
- no
- Protocol is supported PROFINET IO protocol
- no
- Protocol is supported PROFIsafe protocol
- no
- Protocol is supported TCP/IP
- no
- Safety Integrity Level (SIL) acc. to IEC 61508
- No
- Service at the 1st interface as MPI Global data communication
- yes
- Service at the 1st interface as MPI PG/OP communication
- yes
- Service at the 1st interface as MPI Routing
- yes
- Service at the 1st interface as MPI S7 basic communication
- yes
- Service at the 1st interface as MPI S7 client communication
- no
- Service at the 1st interface as MPI S7 communication
- yes
- Service at the 1st interface as MPI S7 communication Note
- Only server, configured on one side
- Service at the 1st interface as MPI S7 server communication
- yes
- Service at the 2nd interface as DP master Activate/Deactivate DP-slaves
- yes
- Service at the 2nd interface as DP master DPV1
- yes
- Service at the 2nd interface as DP master Equidistance support
- yes
- Service at the 2nd interface as DP master Global data communication
- no
- Service at the 2nd interface as DP master isochronous mode
- yes
- Service at the 2nd interface as DP master isochronous mode Note
- OB 61
- Service at the 2nd interface as DP master PG/OP communication
- yes
- Service at the 2nd interface as DP master Routing
- yes
- Service at the 2nd interface as DP master S7 basic communication
- yes
- Service at the 2nd interface as DP master S7 basic communication Note
- I blocks only
- Service at the 2nd interface as DP master S7 client communication
- no
- Service at the 2nd interface as DP master S7 communication
- yes
- Service at the 2nd interface as DP master S7 communication Note
- Only server, configured on one side
- Service at the 2nd interface as DP master S7 server communication
- yes
- Service at the 2nd interface as DP master SYNC/FREEZE
- yes
- Service at the 2nd interface as DP slave direct data exchange (DxB)
- yes
- Service at the 2nd interface as DP slave DPV1
- no
- Service at the 2nd interface as DP slave Global data communication
- no
- Service at the 2nd interface as DP slave PG/OP communication
- yes
- Service at the 2nd interface as DP slave Routing
- yes
- Service at the 2nd interface as DP slave Routing Note
- Only with active interface
- Service at the 2nd interface as DP slave S7 basic communication
- no
- Service at the 2nd interface as DP slave S7 client communication
- no
- Service at the 2nd interface as DP slave S7 communication
- yes
- Service at the 2nd interface as DP slave S7 communication Note
- Only server, configured on one side
- Service at the 2nd interface as DP slave S7 server communication
- yes
- Service at the 2nd interface as PROFIBUS DP master isochronous bus cycle
- yes
- Storage capacity of the input transfer memory at the 2nd interface as DP slave [byte]
- 244
- Storage capacity of the output transfer memory at the 2nd interface as DP slave [byte]
- 244
- Storage capacity of the RAM Integrated [Kibyte]
- 250
- Suitability for use safety-related function
- no
- Supply voltage at AC at 50 Hz rated value maximum Note
- Not applicable
- Supply voltage at AC at 50 Hz rated value minimum Note
- Not applicable
- Supply voltage at AC at 60 Hz rated value maximum Note
- Not applicable
- Supply voltage at AC at 60 Hz rated value minimum Note
- Not applicable
- Supply voltage at DC Rated value 24 V
- yes
- Supply voltage at DC rated value maximum [V]
- 28.8
- Supply voltage at DC rated value minimum [V]
- 19.2
- Test-/initiation function adjustable Diagnostics buffer
- no
- Test-/initiation function Component status
- yes
- Test-/initiation function Component status Note
- Up to 2 simultaneously
- Test-/initiation function Force
- yes
- Test-/initiation function Integrated Diagnostics buffer
- yes
- Test-/initiation function Status/Control variable
- yes
- Transfer rate at the 1st interface as MPI maximum [kbit/s]
- 187.5
- Transfer rate at the 2nd interface as DP master maximum [Mbit/s]
- 12
- Transfer rate at the 2nd interface as DP slave maximum [bit/s]
- 1.20E+07
- Type of memory
- other
- Type of voltage of the supply voltage
- 24 V DC
- Width [mm]
- 40
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