| الجزء النموذجي | Full Designation | وصف |
| 2981800 | رقم الطلب. | اتصال فينيكس global unique part number |
| PSR | PSR | Phoenix Contact PSR series safety relay (Programmable Safety Relay) |
| SCP | SCP | Safety function: dedicated for Emergency Stop / Safety Gate monitoring (Safety Control for E-Stop/Door) |
| 24العاصمة | 24العاصمة | السيطرة على الجهد: DC24V input |
| ESD | ESD | Function feature: Emergency Stop Delay |
| 4X1 | 4X1 | تكوين الاتصال: 4 اتصالات (2 safety NO + 2 auxiliary NO), 1-channel safety input |
| 30 | 30 | Delay range: adjustable power-off delay 0.1s ~ 30s |
التطبيق الأساسي: Single-channel safety relay for Emergency Stop and Safety Gate monitoring. It complies with safety rating SIL 3 / Cat.4 PL e, with 0.1–30s adjustable power-off delay. Suitable for protection scenarios of automated equipment requiring safety stop delay.
- المواصفات الأساسية
| فئة المعلمة | المواصفات التفصيلية | ملاحظات |
| Safety Performance | Safety Level: SIL 3 (اللجنة الانتخابية المستقلة 61508) | Meets highest industrial safety requirements |
| Performance Level: PL e, فئة 4 (EN ISO 13849-1) | ||
| PFHd: 2.5×10⁻⁸/h | ||
| خصائص الإدخال | Control Voltage: تيار مستمر 24 فولت (19.2~28.8V) | Compatible with standard industrial 24V DC control systems |
| Input Current: Max 40mA | ||
| Input Channel: 1 safety input (NC/NO optional) | ||
| وضع إعادة الضبط: Automatic / Manual selectable | ||
| خصائص الإخراج | Safety Contacts: 2 pcs N/O (Force-guided) | Force-guided safety contacts ensure fail-safe operation |
| جهات الاتصال المساعدة: 2 pcs N/O | ||
| تقييم الاتصال: ايه سي-15: 230V/2.5A | ||
| دي سي-13: 24V/2.5A | ||
| Max Switching Voltage: 250الخامس التيار المتناوب/تيار مستمر | ||
| Max Switching Current: 6أ | ||
| Delay Characteristics | Power-off delay: continuously adjustable 0.1s~30s | Adapt to different equipment stopping time requirements |
| Setting Accuracy: ±10% | ||
| الخصائص البدنية | أبعاد: W22.5mm × H99mm × D121mm | Single-channel width, saves cabinet space |
| وزن: تقريبا. 0.22كجم | ||
| تصاعد: 35مم DIN السكك الحديدية (في 60715) | ||
| الأسلاك: Plug-in screw terminals | ||
| الخصائص البيئية | درجة حرارة التشغيل: -20~+60℃ | Industrial-grade environmental adaptability for harsh working conditions |
| درجة حرارة التخزين: -40~+85 درجة مئوية | ||
| رطوبة: 5~95% رطوبة نسبية (غير التكثيف) | ||
| مقاومة الاهتزاز: 10~150Hz, 2ز | ||
| مقاومة الصدمات: 15ز | ||
| Safety Certifications | م, أول, وكالة الفضاء الكندية, توف, ATEX | Compliant with international safety standards, globally applicable |
- قائمة الملحقات & Installation Guidelines
3.1 الملحقات القياسية
Safety relay unit ×1
Installation manual ×1
Terminal marking label ×1
Fixing clip ×2 (for DIN rail locking)
Delay adjustment screwdriver ×1 (special tool)
3.2 احتياطات التثبيت
- Mounting Requirement: Install on standard 35mm DIN rail; maintain ≥5mm clearance from adjacent modules for heat dissipation.
- Wiring Specification:
دائرة التحكم: Connect DC24V to A1(+)、A2(-)
Safety Input: Connect E-stop / safety gate contact to S11、S12 (NC contact preferred)
Safety Output: Connect safety circuit (على سبيل المثال. لفائف المقاولين) ل 13-14、23-24
Auxiliary Output: Connect alarm / indication circuit to 31-32、41-42
- Reset Setting:
Auto Reset: Automatically restore after power cycle
إعادة الضبط اليدوي: Requires external reset signal or manual reset button operation
- Delay Adjustment: Use the dedicated screwdriver to adjust the front panel potentiometer to set 0.1–30s power-off delay.
- Cross-model & Cross-brand Replacement
4.1 Phoenix Contact Same Series Alternative Models
| Model No. | الفرق الأساسي | سيناريو التطبيق |
| 2981800 | 1 channel, 2 safety + 2 اتصالات مساعدة, 0.1–30s delay | Standard E-stop / safety gate monitoring (النموذج الحالي) |
| 2981801 | 1 channel, 2 safety + 2 اتصالات مساعدة, 0.1–10s delay | Equipment with short stopping time |
| 2981802 | 1 channel, 2 safety + 2 اتصالات مساعدة, 0.1–1s delay | Fast stop equipment |
| 2981810 | 2 القنوات, 4 safety + 2 اتصالات مساعدة, no delay | Dual-channel redundant safety system |
| 2981820 | 1 channel, 2 safety + 2 اتصالات مساعدة, with alarm output | System requiring alarm indication |
4.2 Cross-brand Equivalent Solutions
| ماركة | نموذج | المعلمات الرئيسية | Compatibility Note |
| شنايدر | Zelio SR2P121BD | 1 channel, 2 safety contacts, 24في العاصمة, Cat.4 | Similar function, different wiring layout |
| سيمنز | 3SK1111-1AB30 | 1 channel, 2 safety contacts, 24في العاصمة, SIL 3 | Different dimensions, cabinet rearrangement required |
| اومرون | G9SA-321-T15 | 1 channel, 2 safety contacts, 24في العاصمة, Cat.4 | Delay range 0.05–10s, slightly narrower |
| ايه بي بي | MSR1275 | 1 channel, 2 safety contacts, 24في العاصمة, SIL 3 | سعر أعلى, fully identical function |
| فايدمولر | DRM570730LT | 1 channel, 2 safety contacts, 24في العاصمة, Cat.4 | Fixed 1s non-adjustable delay |
- اختيار & إرشادات الاستبدال
5.1 Core Selection Criteria
✅ Safety Level Matching: Ensure required safety rating (SIL/PL/Cat.) does not exceed product capability (SIL 3 / Cat.4 PL e).
✅ I/O Requirement:
مدخل: 1 channel sufficient; confirm NC or NO contact type.
الإخراج: Verify 2 safety + 2 auxiliary contacts meet control demands.
قدرة الاتصال: Ensure load current ≤2.5A (AC-15/DC-13).
✅ Delay Requirement: Confirm 0.1–30s adjustable range covers equipment stopping time.
✅ Reset Mode: Select auto or manual reset according to operation needs.
✅ Environmental Adaptation: Operating temperature ≤60℃ and humidity within industrial standard range.
5.2 يرقي & خيارات الاستبدال
Option A: Same Series Function Upgrade
More channels: 2981800 → 2981810 (2 القنوات, 4 safety contacts)
Add alarm output: 2981800 → 2981820 (with alarm output)
Shorter delay: 2981800 → 2981801 (0.1–10s) أو 2981802 (0.1–1s)
Option B: Migrate from PSRclassic to PSRmini (Space Optimization)
نموذج الاستبدال: 2981900 (PSRmini-SCP-24DC/ESD/4X1/30)
Advantage: Only 17.5mm width (5mm narrower), وظائف متطابقة, saves cabinet space.
Option C: Migrate from PSRclassic to PSRmodular (System Expansion)
حل: PSRmodular system + safety function modules
Advantage: Multi-channel expandable; integrates safety gate, E-stop, light curtain and other safety functions, suitable for complex safety systems.
5.3 استكشاف الأخطاء وإصلاحها الشائعة
| ظاهرة الخلل | السبب المحتمل | حل |
| Module indicator off | Control power disconnected or faulty | Check DC24V input, measure voltage within 19.2~28.8V |
| No safety output action | Safety input loop open | Check E-stop / safety gate contact wiring and loop continuity |
| Abnormal delay time | Improper potentiometer adjustment | Readjust with dedicated screwdriver; calibrate with timer recommended |
| إعادة تعيين الفشل | Incorrect reset mode setting | Verify auto/manual reset configuration and check reset signal |
| التصاق الاتصال | Overload current exceeded | Measure load current; add intermediate relay if necessary |
اتصال فينيكس 2981800 (PSR-SCP-24DC/ESD/4X1/30) is a single-channel safety relay with adjustable power-off delay, specially designed for emergency stop and safety gate monitoring, reaching the highest safety level SIL 3 / Cat.4 PL e. Its 22.5mm slim design and plug-in wiring facilitate installation and maintenance, while the 0.1–30s adjustable delay adapts to various equipment shutdown requirements. أثناء الاختيار, focus on safety rating, I/O configuration, delay range and reset mode. For upgrade, choose extended models in the same series or migrate to PSRmini / PSRmodular for space saving or system expansion.
Complete Model List of Phoenix Contact Safety Relays (Structured Classification)
- Model Naming Rule Overview
| Prefix | كود السلسلة | Middle Code | معنى | لاحقة | معنى |
| PSR | Basic identifier for Phoenix safety relay | SCP | E-stop / Safety Gate dedicated | 24العاصمة | Control voltage DC24V |
| PSR | Safety Relay | SPP | Standard Safety Protection | ESD | Emergency Stop Delay (0.1-30ق) |
| PSR | Safety Relay | مولودية | Mini Compact | 4X1 | اتصال: 4 لا (2 safety + 2 مساعد) |
| PSR | Safety Relay | MS | Monitoring Safety | 30 | Delay time range (0.1-30ق) |
| PSR | Safety Relay | UNI | Universal Configurable | PI | Push-in spring terminal |
| PSR | Safety Relay | MM | Motion Monitoring | SC | Screw terminal |
- PSRclassic Series (Standard Safety Relays)
2.1 E-Stop / Safety Gate (SCP Series)
| نموذج | رقم الطلب. | المعلمة الأساسية | Safety Level | طلب |
| PSR-SCP-24DC/ESD/4X1/30 | 2981800 | 1Ch, 2Safety+2Aux, 0.1-30s delay | SIL 3/Cat.4 PL e | Standard E-stop / Safety Gate |
| PSR-SCP-24DC/ESD/4X1/10 | 2981801 | 1Ch, 2Safety+2Aux, 0.1-10s delay | SIL 3/Cat.4 PL e | Short stop time equipment |
| PSR-SCP-24DC/ESD/4X1/1 | 2981802 | 1Ch, 2Safety+2Aux, 0.1-1s delay | SIL 3/Cat.4 PL e | Fast stop equipment |
| PSR-SCP-24DC/ESD/5X1/1X2/300 | 2981428 | 1/2Ch, 3Safety+1NC+2Aux, 0.1-300s delay | SIL 3/Cat.4 PL e | Long delay shutdown system |
| PSR-SCP-24UC/ESA4/3X1/1X2/B | 2963763 | 2Ch, 3Safety+1Aux, no delay | SIL 3/Cat.4 PL e | Dual-channel redundant safety system |
| PSR-SCP-24DC/MXF3/4X1/2X2/B | 2903257 | Multi-Ch, 4Safety+2Aux, 3 safety functions | SIL 3/Cat.4 PL e | Multi-function safety monitoring |
2.2 Standard Safety Function (SPP Series)
| نموذج | رقم الطلب. | المعلمة الأساسية | Safety Level | طلب |
| PSR-SPP-24DC/SDC4/2X1/B | 2901426 | 1Ch, 2Safety contacts, no delay | SIL 3/Cat.4 PL e | Basic safety loop |
| PSR-SPP-230AC/ESAM2/3X1/1X2/B | 2901431 | 1Ch, 3Safety+1Aux, تيار متردد 230 فولت | SIL 3/Cat.4 PL e | AC power supply system |
| PSR-SPP-24UC/URM/3X1/3X2 | 2901427 | 1Ch, 3Safety+3Aux, universal voltage | SIL 3/Cat.4 PL e | Multi-voltage compatible system |
| PSR-SPP-24DC/ESD/3X1/1X2/30 | 2981427 | 1Ch, 3Safety+1Aux, 0.1-30s delay | SIL 3/Cat.4 PL e | Delay-type safety system |
2.3 Light Curtain Monitoring (SCR Series)
| نموذج | رقم الطلب. | المعلمة الأساسية | Safety Level | طلب |
| PSR-SCR-24DC/3X1/1X2 | 2981500 | 2Ch, 3Safety+1Aux, dedicated for light curtain | SIL 3/Cat.4 PL e | Standard light curtain monitoring |
| PSR-SCR-24DC/4X1/2X2 | 2981501 | 2Ch, 4Safety+2Aux, dedicated for light curtain | SIL 3/Cat.4 PL e | Complex light curtain safety system |
| PSR-SCR-24DC/5X1/1X2 | 2981502 | 2Ch, 5Safety+1Aux, dedicated for light curtain | SIL 3/Cat.4 PL e | High-density safety output |
2.4 Two-Hand Control (SCT Series)
| نموذج | رقم الطلب. | المعلمة الأساسية | Safety Level | طلب |
| PSR-SCT-24DC/2X1/1X2 | 2981600 | 2Ch, 2Safety+1Aux, two-hand control | SIL 3/Cat.4 PL e | Standard two-hand operation |
| PSR-SCT-24DC/3X1/2X2 | 2981601 | 2Ch, 3Safety+2Aux, two-hand control | SIL 3/Cat.4 PL e | Complex two-hand operation |
- PSRmini Series (Micro Compact, 17.5عرض ملم)
3.1 Basic Safety Function (MC Series)
| نموذج | رقم الطلب. | المعلمة الأساسية | Safety Level | طلب |
| PSR-MC32-3NO-1NC-24-230UC-SP | 2700525 | 1/2Ch, 3Safety+1NC, universal voltage | SIL 3/Cat.4 PL e | General safety monitoring |
| PSR-MC34-3NO-1DO-24DC-SP | 2700548 | 1/2Ch, 3Safety+1diagnostic output, تيار مستمر 24 فولت | SIL 3/Cat.4 PL e | System with diagnostic output |
| PSR-MC45-3NO-1DO-24DC-SC | 1082024 | 1Ch, 3Safety+1diagnostic output, تيار مستمر 24 فولت | SIL 3/Cat.4 PL e | Compact E-stop system |
| PSR-MC22-2NO-1NC-24DC-SP | 2700500 | 1Ch, 2Safety+1NC, تيار مستمر 24 فولت | SIL 3/Cat.4 PL e | Small safety loop |
3.2 Safety Monitoring Module (MS Series)
| نموذج | رقم الطلب. | المعلمة الأساسية | Safety Level | طلب |
| PSR-MS21-1NO-1DO-24DC-SC | 2702192 | 1Ch, 1Safety+1digital output, تيار مستمر 24 فولت | SIL 3/Cat.4 PL e | Safety controller expansion |
| PSR-MS31-2NO-1DO-24DC-SP | 2702200 | 1Ch, 2Safety+1digital output, تيار مستمر 24 فولت | SIL 3/Cat.4 PL e | Safety status monitoring |
- PSRmodular Series (Modular Safety System)
4.1 Main Control Module
| نموذج | رقم الطلب. | المعلمة الأساسية | Safety Level | طلب |
| PSR-UNI-L-1X4NO-1DO-24DC-PI | 1487648 | 1/2Ch, 4Safety+1DO, configurable | SIL 3/Cat.4 PL e | Universal configurable safety system |
| PSR-UNI-L-2X4NO-2DO-24DC-PI | 1487649 | 2Ch, 8Safety+2DO, configurable | SIL 3/Cat.4 PL e | Complex safety system |
| PSR-UNI-L-1X2NO-1NC-1DO-24DC-PI | 1487650 | 1/2Ch, 2Safety+1NC+1DO | SIL 3/Cat.4 PL e | System with NC output |
4.2 Expansion Module
| نموذج | رقم الطلب. | المعلمة الأساسية | Safety Level | طلب |
| PSR-EXT-L-1X4NO-24DC-PI | 1487651 | 4-safety output expansion | SIL 3/Cat.4 PL e | Output expansion |
| PSR-EXT-L-1X2NO-1NC-24DC-PI | 1487652 | 2Safety+1NC output expansion | SIL 3/Cat.4 PL e | Mixed output expansion |
- PSRmotion Series (Motion Monitoring Safety Relay)
5.1 Zero Speed / OverSpeed Monitoring
| نموذج | رقم الطلب. | المعلمة الأساسية | Safety Level | طلب |
| PSR-MM25-1NO-2DO-24DC-SC | 2702355 | Sensorless zero-speed monitoring, 3-phase motor | SIL 3/Cat.3 PL e | Motor zero-speed safety protection |
| PSR-MM35-1NO-2DO-24DC-SC | 2702356 | Overspeed monitoring, 3-phase motor | SIL 3/Cat.3 PL e | Motor overspeed safety protection |
| PSR-MM45-1NO-2DO-24DC-SC | 2702357 | Zero-speed + overspeed dual monitoring, 3-phase motor | SIL 3/Cat.3 PL e | Full motor speed monitoring |
5.2 Rotation Direction Monitoring
| نموذج | رقم الطلب. | المعلمة الأساسية | Safety Level | طلب |
| PSR-MD25-1NO-2DO-24DC-SC | 2702360 | Rotation direction monitoring, 3-phase motor | SIL 3/Cat.3 PL e | Motor rotation direction safety control |
- Safety Coupling Relays (PSR-SCP/SPP Series)
| نموذج | رقم الطلب. | المعلمة الأساسية | Safety Level | طلب |
| PSR-SCP-24DC/FSP/1X1/1X2 | 2981700 | 1Safety+1Aux contact, coupling function | SIL 3 | Safety signal isolation |
| PSR-SCP-24DC/FSP2/2X1/1X2 | 2981701 | 2Safety+1Aux contact, coupling function | SIL 3 | Dual-channel safety isolation |
| PSR-PS21-1NO-1NC-24DC-SC | 2981702 | 1Safety+1NC contact, coupling function | SIL 3 | Safety signal switching |
- Key Selection Parameter Comparison
| فئة المعلمة | Key Index | Selection Tips |
| Safety Level | SIL 1-3, Cat.1-4, PL a-e | Determined by equipment risk assessment; max support SIL 3/Cat.4 PL e |
| Input Channel | 1 قناة / 2 قناة | Single channel for basic safety; dual channel for redundant safety |
| تكوين الاتصال | Quantity of safety / اتصالات مساعدة | ≥2 safety contacts recommended; auxiliary contacts for alarm & indication |
| Control Voltage | تيار مستمر 24 فولت / تيار متردد 230 فولت / عالمي | Match on-site control system power supply |
| Function Feature | Delay / Diagnostic / Cross-circuit detection | E-stop requires delay; complex system needs diagnostic function |
| Mounting Width | 17.5مم / 22.5مم / 27.5مم | Choose PSRmini (17.5مم) for limited cabinet space |
| نوع الأسلاك | Screw / Push-in spring | Push-in for frequent wiring; screw type for vibration environment |
- ملاحظات تكميلية
8.1 Series Positioning
PSRclassic: Standard type with complete functions, width starting from 22.5mm, suitable for conventional safety applications.
PSRmini: Micro compact type, only 17.5mm width, saves cabinet space.
PSRmodular: Configurable modular system, suitable for complex safety systems with expandable functions.
PSRmotion: Dedicated for motion monitoring, applicable to motor zero-speed / overspeed / rotation direction safety control.
8.2 Replacement Information
Old models are gradually phased out; priority recommended to select models manufactured after 2020.
Some models are discontinued; refer to Phoenix Contact official website or technical support for replacement.
8.3 شهادة السلامة
Full series certified by CE, أول, وكالة الفضاء الكندية, توف, متوافق مع IEC 61508 and EN ISO 13849-1.
Partial models with ATEX certification for explosive atmosphere applications.
المقاولين,قاطع الدائرة,العاكس للطاقة الشمسية,عداد كهرباء,البطاريات الشمسية





















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