About SIEMENS S7400 PLC - 6ES7412-1XJ07-0AB0

Manufacturer SeriesS7 400Communication Protocols Profibus Mounting Type Rack Mount BRAND SIEMENS SIMATIC S7-400, CPU 412-1 Central processing unit with: Work memory 512 KB, (256 KB code, 256 KB data), interface MPI/DP 12 Mbit/s

Siemens SIMATIC S7-400 CPU 412-1

Product Type: CPU 412-1
Central Processing Unit (CPU)
Work Memory: 512 KB (256 KB code, 256 KB data)
Interface: MPI/DP 12 Mbit/s
Configuration in RUN (CiR): Supported

General Information

• HW Functional Status: 01

• Firmware Version: V7.0

• Product Function: Isochronous Mode (PROFIBUS only)

• Engineering Software: STEP 7 V5.4+ with HSP 261

• CiR Synchronization Time: Basic load 100 ms, Time per I/O byte 30 s

Supply & Power

• Power Supply: Via system power supply

• Backplane Bus Input Current:

  • 5 V DC: 0.70.8 A

  • 24 V DC: Max. 150 mA (per DP interface)

• Interface 5 V DC: Max. 90 mA (at DP interface)

• Power Loss (typical): 3.5 W

Memory

• Work Memory: 512 KB (256 KB program + 256 KB data), not expandable

• Load Memory: Expandable via FEPROM/Memory Card (Max 64 MB)

• Backup: Yes, with battery (all data)

• Battery: Typical current 180 A (up to 40 C), Max 850 A

• CPU Processing Times:

  • Bit operations: 31.25 ns

  • Word operations: 31.25 ns

  • Fixed point: 31.25 ns

  • Floating point: 62.5 ns

CPU Blocks

• DB: Max 3,000, Size max 64 KB

• FB/FC: Max 1,500, Size max 64 KB

• OBs: Size max 64 KB

• Free Cycle OB: OB 1

• Time Alarm OBs: OB 10, 11

• Cyclic Interrupt OBs: OB 32, 35 (shortest cycle 500 s)

• Isochronous Mode OBs: OB 6162

• Startup OBs: OB 100102

• Error OBs: Asynchronous 8088, Synchronous 121122

• Nesting Depth: 24 per priority class

Counters & Timers

• S7 Counters: 2,048, adjustable retentivity

• IEC Counters: Unlimited (limited by RAM)

• S7 Timers: 2,048, adjustable

• IEC Timers: Unlimited (limited by RAM)

• Time Range: 10 ms 9,990 s

Data & Address Areas

• Flags: Max 4 KB, Retentive MB 015

• Clock Memories: 8

• Local Data: Max adjustable 8 KB, Preset 4 KB

• I/O Address Area: Inputs 4 KB, Outputs 4 KB

• Process Image: Inputs/Outputs adjustable 4 KB, Default 128 bytes, Consistent Data Max 244 bytes

• Subprocess Images: Max 15

Channels

• Digital: Inputs/Outputs 32,768 each (all central)

• Analog: Inputs/Outputs 2,048 each (all central)

Hardware Configuration

• Max Expansion Units: 21

• Connectable OPs: 47

• Multicomputing: Up to 4 CPUs (with UR1/UR2)

• Connectable IMs: Max 6 (IM 460), IM 463 max 4

• DP Masters: 1 integrated, via CP 10, via IM 467 4

• IO Controllers: 0 integrated, 4 via CP

Clock

• Hardware Clock: Yes, retentive and synchronizable

• Resolution: 1 ms

• Deviation per day (buffered/unbuffered): 1.7 s / 8.6 s

• Operating Hours Counter: 16, Retentive, Granularity 1 h

• Clock Synchronization: Supported on MPI, DP, AS

Interfaces

• MPI/PROFIBUS DP: 1

• RS-485: 1 (combined MPI/PROFIBUS DP)

• MPI Connections: Max 32, Transmission rate up to 12 Mbit/s

• PROFIBUS DP Master Connections: Max 16, Transmission rate 12 Mbit/s, Max 32 DP devices

• User Data per DP Device: Max 244 bytes

Communication

• Open IE Communication (ISO-on-TCP): Via CP 443-1

• Isochronous Mode: Equidistance supported, Max cycle 32 ms

• PG/OP Communication: Yes, Max connectable OPs 47

• S7 Basic Communication: Supported, User data per job max 76 bytes

• S7 Communication: Supported, Server/Client, User data per job max 64 KB

• S5 Compatible Communication: Supported via FC AG_SEND/AG_RECV

• Standard Communication (FMS): Supported via CP

• Number of Connections: Overall 48

Test & Diagnostics

• Status Block: Yes, Up to 16 simultaneously

• Single Step: Yes

• Breakpoints: 16

• Status/Control Variables: Up to 70

• Forcing Variables: Max 64

• Diagnostic Buffer: Max 3,200 entries (preset 120)

• Service Data: Can be read out

Standards & Approvals

• CE, CSA, UL, cULus, FM, RCM, KC, EAC

• Hazardous Areas: ATEX II 3G Ex nA IIC T4 Gc

Programming

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

• Nesting Levels: 7

• SFC/SFB Simultaneously Active: Multiple per interface, as per instruction list

• Know-how Protection: User program/password protection, S7 Block encryption

Dimensions & Weight

• Width: 25 mm

• Height: 290 mm

• Depth: 219 mm

• Weight: ~700 g

Technical Details