Siemens 6ES7414-4HR14-0AB0 CPU 414-4H PG

Series#: Siemens

Product Details

SIEMENS SIMATIC S7-400H CPU 414-4H PG (6ES7414-4HR14-0AB0) – High-availability redundant processor for mission-critical automation.
Integrated dual DP/MPI interfaces plus dedicated sync module ports for seamless fault-tolerant control.
Massive 12 MB memory (10 MB data + 2 MB program) for complex process logic and data logging.
Supports STEP 7 V5.5+ SP1 or higher – Full programming, diagnostics, and redundancy configuration.
Unlimited S7 counters/timers (RAM-limited) with retentivity for uninterrupted process safety.
Designed for power generation, oil & gas, and other high-availability industrial environments.

Specification

The SIEMENS SIMATIC S7-400H CPU 414-4H PG (MLFB 6ES7414-4HR14-0AB0) is a flagship redundant processor engineered for the most demanding fault-tolerant automation systems. Part of the S7-400H series, this CPU delivers deterministic performance, dual-channel synchronization, and extensive I/O capacity, making it the backbone of high-availability solutions in process control, power plants, and large-scale manufacturing. Below is the comprehensive technical specification derived from official Siemens documentation and field-proven engineering knowledge.

Parameter	Specification
Product Type	CPU 414-4H PG (Redundant)
Order Number	6ES7414-4HR14-0AB0
Total Memory	12 MB (10 MB data / 2 MB program)
Integrated Interfaces	1x MPI/DP (12 Mbps), 1x DP (12 Mbps), 2x Sync module ports
Sync Module Compatibility	6ES7960-1AA04-0XA0 (fiber optic) or 6ES7960-1AB04-0XA0 (electrical)
Max. DP Slaves per Interface	125 (MPI/DP), 125 (DP) – standard mode
Max. Number of I/O Modules	Up to 21 modules per rack (CR/ER), expandable via IM
Max. Digital I/O	65,536 (via DP)
Max. Analog I/O	4,096 (via DP)
Program Blocks (max.)	DB, FB, FC: limited by memory; OB: OB1, OB10-17, OB20-23, OB30-38, OB40-47, OB80-88, OB100-122
S7 Counters / Timers	Unlimited (RAM-based), retentive per configuration
Bit Operation Time	~0.02 µs (typical)
Word Operation Time	~0.04 µs
Fixed-Point Arithmetic	~0.05 µs
Floating-Point Arithmetic	~0.15 µs
Power Supply	24 V DC (external, e.g., PS 407 series)
Current Consumption	Typically 1.2 A (without expansion)
Power Dissipation	Approx. 8 W
Operating Temperature	0 °C to +60 °C (horizontal), 0 °C to +40 °C (vertical)
Storage Temperature	-40 °C to +70 °C
Relative Humidity	5% to 95% (non-condensing)
Protection Class	IP20 (when installed in cabinet)
Redundancy Support	Yes – automatic switchover, sync modules required
Programming Software	STEP 7 V5.5 + SP1 or higher (TIA Portal not supported)
Firmware Version	V6.0 (as delivered), upgradeable via memory card
Weight	Approx. 0.8 kg
Dimensions (W x H x D)	50 mm x 290 mm x 210 mm (with front connector)
Compliance	CE, UL, CSA, cULus, ATEX (Zone 2 with Zener barrier)