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SIEMENS SIMATIC S7-400 CPU 412-3H
SKU: 6ES7412-3HJ14-0AB0
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Short Description
Pricing available on request
Description:
The CPU 412-3H is designed for use in redundant and fail-safe configurations on the S7-400H and S7-400F/FH systems.
It has three integrated interfaces—MPI/DP and two fiber-optic sync ports—making it suitable for hot standby systems, synchronized I/O, and distributed designs.
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Specifications:
General Features:
CPU Type: SIMATIC S7-400H CPU 412-3H.
Firmware Version: V4.5.
Engineering Software: STEP 7 V5.3 SP2 or higher (with HW update).
Isochronous Mode: Not supported.
CiR Synchronization Time:
Basic load: 150 ms.
Per I/O byte: 40 µs.
Electrical Characteristics:
Power Supply: Via system power supply.
Backplane Bus Consumption:
5 V DC: typ. 1.2 A / max. 1.5 A.
24 V DC: max. 150 mA (per DP interface).
Interface Consumption: 5 V DC, max. 90 mA (per DP interface).
Power Loss: ~5.5 W.
Memory & Backup:
Integrated RAM:
Total: 768 KB.
Program: 512 KB.
Data: 256 KB.
Expandable Memory:
FEPROM: up to 64 MB.
RAM: up to 64 MB.
Backup:
Battery-backed (yes).
External voltage support: 5–15 V DC.
Backup current: typ. 190 µA / max. 660 µA.
Processing Times:
Bit/Word/Fixed Point: 0.075 µs.
Floating Point: 0.225 µs.
Program Blocks:
DBs: 4,095 max, 64 KB each.
FBs/FCs: 2,048 max, 64 KB each.
OBs:
Time/Delay/Cyclic/Process Alarm OBs: 4 each.
Nesting depth: 24 per priority class.
Timers & Counters:
S7 Counters/Timers: 2,048 each.
IEC Types: Supported via SFB.
Time Range: 10 ms to 9,990 s.
Retentivity: Adjustable.
Data & Addressing:
Flag Memory: 8 KB.
Local Data: Up to 16 KB.
I/O Address Space:
Inputs/Outputs: 8 KB each.
Consistent data access: Supported.
Subprocess Images: Up to 15.
Interfaces:
Interface 1: MPI/PROFIBUS DP (RS485, isolated).
Max DP devices: 32.
Transmission rate: 12 Mbit/s.
Protocols: MPI, DP Master.
S7 Communication: Supported.
DP Slave: Not supported.
Interfaces 2 & 3: Fiber-optic sync modules (IF 960).
Used for redundancy synchronization.
Expansion & Modules:
Expansion Units: Up to 21.
Interface Modules (IM):
IM 460: Up to 6.
IM 463: Up to 4 (single mode only).
DP Masters via CP: Up to 10.
Connectable OPs:
15 (without message processing).
8 (with message processing).
Required Slots: 2.
Environmental & Clock:
Real-Time Clock: Retentive and synchronically.
Deviation:
Buffered: max. 1.7 s/day.
Unbuffered: max. 8.6 s/day.
Operating Hours Counter: 8 counters, 0–32,767 h.
Dimensions & Weight:
Width: 50 mm.
Height: 290 mm.
Depth: 219 mm.
Weight: ~990 g.
Approvals & Compliance:
CE, UKCA, UL, ATEX, IECEx, RCM, KC.
Marine: DNV, PRS, RINA, RMRS, CCS, BV.
Functional Safety: Supported.
Programming Languages: LAD, FBD, STL, SCL, CFC, GRAPH, HiGraph®.
Know-how Protection: Password + Block Encryption.