About SIMATIC S7-300 6ES7317-2FK14-0AB0

Communication Protocols Profibus Mounting Type DIN Rail Output Type Digital Manufacturer SeriesS7 300SIMATIC S7-300 CPU317F-2 PN/DP, Central processing unit with 1.5 MB work memory, 1st interface MPI/DP 12 Mbit/s, 2nd interface Ethernet PROFINET, with 2-port switch, Micro Memory Card required 

Siemens SIMATIC S7-300 CPU 317F-2 PN/DP

Product Type: Central Processing Unit (CPU 317F-2 PN/DP)
Memory: 1.5 MB work memory, expandable via Micro Memory Card (max. 8 MB)
Interfaces:

• 1 MPI/DP (12 Mbit/s)

• 1 PROFINET with 2-port switch

Firmware Version: V3.2
Hardware Functional Status: 01

General Features

• Isochronous Mode: Yes (via PROFIBUS DP or PROFINET)

• Programming: STEP 7 V5.5 or higher, Distributed Safety V5.4 SP4

• Work Memory: 1,536 kB (non-expandable)

• Load Memory: Max 8 MB (MMC)

• Backup: Maintained by MMC (no battery required)

Power Supply

• Rated Voltage: 24 V DC

• Permissible Range: 20.4 28.8 V DC

• Recommended External Protection: 2 A min.

• Mains buffering (power failure energy time): 5 ms

• Current Consumption:

  • Rated: 750 mA

  • No-load: 150 mA

• Inrush Current: 4 A

• Power Loss: 4.65 W

CPU Performance

• Bit Operations: 0.025 s

• Word Operations: 0.03 s

• Fixed Point Arithmetic: 0.04 s

• Floating Point Arithmetic: 0.16 s

Memory & Data Blocks

• CPU Blocks (DB, FB, FC): Max 2,048 each

• Block Size: Max 64 kB

• OBs: Various types (free cycle, time alarm, cyclic interrupts, process alarms, startup, error OBs, isochronous OB 61, etc.)

• Counters: 512 S7 counters (retentive adjustable)

• Timers: 512 S7 timers, IEC timers available

• Flag Memory: Max 4,096 bytes, retentive available

• Retentive Data Area: Max 256 kB

I/O Address Area

• Inputs: 8,192 bytes (central 1,024 bytes)

• Outputs: 8,192 bytes (central 1,024 bytes)

• Analog Channels: 4,096 inputs/outputs (central 256 each)

• Expansion Units: Max 3

• DP Masters: Integrated 1, via CP 4

Clock / Time of Day

• Hardware Clock: Real-time, retentive, synchronizable

• Backup Time: 6 weeks at 40C

• Deviation per Day: Max 10 s (typical 2 s)

• Operating Hours Counter: 4, retentive

• Clock Synchronization: Supported via MPI, DP, AS, Ethernet (NTP)

Digital / Analog I/O

• Digital Inputs / Outputs: 0 (CPU only)

• Analog Inputs / Outputs: 0

Interfaces

• RS 485: 1 (isolated, max 200 mA)

• PROFINET: 1 (isolated, 10/100 Mbit/s, autonegotiation)

• Protocols Supported: MPI, PROFIBUS DP master/device, PROFINET IO Controller/Device, Open IE, PROFIenergy, PROFIsafe, Web server

• Max DP Devices: 124

• Max IO Devices: 128 (IRT: 64)

• Media Redundancy: PROFINET MRP, Switchover time 200 ms

Communication

• S7 Communication: Server/client via PROFINET or CP

• PG/OP Communication: Supported

• Global Data Communication: Max 8 loops, 8 packets

• PROFINET CBA: Cyclic/acyclic transfer supported

• Open IE: TCP/IP, ISO-on-TCP, UDP, max 16 connections

Diagnostics & Forcing

• Status Indicators: 30 variables max (14 control)

• Forcing Variables: Max 10

• Diagnostic Buffer: Max 500 entries (100 powerfail-proof)

• Service Data: Readable

Configuration & Programming

• Software: STEP 7 V5.5 or higher

• Programming Languages: LAD, FBD, STL, SCL, CFC, GRAPH, HiGraph

• Nesting Levels: 8

• User Program Protection: Password and block encryption supported

Dimensions & Weight

• Width: 40 mm

• Height: 125 mm

• Depth: 130 mm

• Weight: 340 g

Technical Details