راهنمای جامع فایروالهای صنعتی و تقسیمبندی شبکه OT
فایروالهای صنعتی نقش حیاتی در امنیت سایبری OT ایفا میکنند و از شبکههای PLC، DCS و SCADA از طریق بخشبندی، کنترل ورود/خروج و ادغام IDS/IPS مطابق با اصول IEC 62443 محافظت میکنند.



The Siemens 6ES7138-4CF03-0AB0 is a PM-E F PROFIsafe power module designed for the SIMATIC ET 200S distributed I/O system. This module provides a reliable 24 V DC power supply and is engineered for safe operation in installations with ungrounded reference potentials. It features integrated relays for switching the P1 and P2 voltage buses and includes two fail-safe digital outputs, making it suitable for safety-critical automation processes. The module's robust design and high safety certifications ensure dependable performance in demanding industrial control environments.
| Property | Value |
| Manufacturer | Siemens |
| Part Number | 6ES7138-4CF03-0AB0 |
| Product Family | SIMATIC ET 200S |
| Module Type | PM-E F PROFIsafe Power Module |
| Supply Voltage | 24 V DC |
| Fail-Safe Digital Outputs | 2 |
| Safety Rating (Module) | Category 3 (EN 954-1), SIL 2 (IEC 61508), PLd (ISO 13849) |
| Safety Rating (Outputs) | Category 4 (EN 954-1), SIL 3 (IEC 61508) |
| Isolation Test Voltage | 500 V DC |
| Condition | Brand New |
| Shipping Weight | 0.24 kg |
| Package Dimensions | 10.5 x 12.5 x 4 cm |
| Country of Origin | Germany |
CRITICAL WARNING: RISK OF ELECTRIC SHOCK
Disconnect all power sources and implement Lockout/Tagout (LOTO) procedures before installing, removing, or servicing this module. Failure to de-energize the system can result in severe injury or death.
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Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
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