Контактор,автоматический выключатель,солнечный инвертор,электрический счетчик,солнечные батареи
PNOZ-X2.8P-777301-ГРИБ is the most widely used dual-channel safety relay from Pilz’s PNOZ X product line. Its core advantages cover wide 24V AC/DC operating voltage, 3Конфигурация контактов НО+1НЗ, high safety rating of SIL 3 / ПЛ е, and ultra-fast response within ≤50ms. It is extensively deployed for various industrial safety monitoring applications. Thanks to hardwired design, it delivers superior reliability over software-based solutions under high-vibration and severe EMI conditions, making it an optimal choice for industrial automation safety protection.
- Разбивка кода модели
| Сегмент кода | Определение | Подробное описание |
| PNOZ | Product series prefix | Identifier for Pilz core safety relay product range |
| Х | Код серии | Basic standalone safety relay of PNOZ X series, operable without extension modules |
| 2.8 | Functional code | “2” stands for dual-channel monitoring; “8” denotes automatic / monitored start mode with 3 safety outputs plus 1 auxiliary output |
| П | Termination type | Screw terminal version; Push-in indicates spring-cage pluggable terminals, unmarked for standard terminals |
| 777301 | Номер заказа | Unique global part number for purchasing and inventory management |
| ГРИБ | Brand name | Pilz GmbH & Co. KG, Германия |
- Основные технические характеристики
| Категория параметра | Спецификация | Примечания |
| General Data | ||
| Тип продукта | Dual-channel safety relay | Compliant with EN ISO 13849-1 (ПЛ е) & В 62061 (СИЛ 3) |
| Rated Supply | 24В переменного/постоянного тока (±15%) | Wide-range input compatible with standard industrial power supplies |
| Измерение | 94×22.5×121mm (В×Ш×Г) | 22.5mm standard width for compact cabinet layout |
| Монтаж | 35мм DIN-рейка (В 60715) | Vertical installation, момент затяжки: 0.5~0.8Nm |
| Входные характеристики | ||
| Input Circuits | 2 independent dual-channel inputs (S11-S12/S52, S21-S22) | 24В Вашингтоне, 30mA input, compatible with PNP sensors |
| Input Function | Optional cross-contact short-circuit detection | Enabled by short-circuiting S11-S12; disabled by short-circuiting S21-S22 |
| Выходные характеристики | ||
| Выходы безопасности | 3 Нормально открытый (НЕТ) contacts with redundant dual-contact series design | Redundant structure for guaranteed safe cut-off |
| Auxiliary Output | 1 Нормально закрытый (Северная Каролина) контакт | For status indication only, NOT permitted in safety circuits |
| Рейтинг контактов | AC1:240V/6A; DC1:24V/6A | AgCuNi silver-copper-nickel contact material for arc oxidation resistance |
| AC15:230В/5А; DC13:24В/5А | ||
| Параметры производительности | ||
| Время ответа | ≤50ms (input to output); reset time ≤100ms | Fast safety cut-off for high-speed machinery |
| Потребляемая мощность | Max.100mA | Low-power design for energy saving |
| Температура окружающей среды | Операция: -10°C ~ +55°C; Хранилище: -35°С ~ +70°С | Suitable for harsh industrial ambient conditions |
| Защита от проникновения | IP20 (main body), IP40 (terminal area) | Must be installed inside control cabinet ≥IP54 |
| Сертификаты | CE, CCC, UL, РоХС | Global market access certifications |
III. Full Range Model List (Core PNOZ X2 Series)
| Модель | Номер заказа. | Напряжение питания | Конфигурация выхода | Start Mode | Тип терминала |
| PNOZ X2.8P | 777301 | 24В переменного/постоянного тока | 3НО+1НЗ | Автоматический / Monitored | Винт |
| PNOZ X2.8 | 777300 | 24В переменного/постоянного тока | 3НО+1НЗ | Автоматический / Monitored | Стандартный |
| PNOZ X2.8P PI | 777302 | 24В переменного/постоянного тока | 3НО+1НЗ | Автоматический / Monitored | Плагин |
| PNOZ X2.7P | 777311 | 24~240V AC/DC | 3НО+1НЗ | Автоматический / Monitored | Винт |
| PNOZ X2.7 | 777310 | 24~240V AC/DC | 3НО+1НЗ | Автоматический / Monitored | Стандартный |
| PNOZ X2.10P | 777321 | 24В Вашингтоне | 2НО+1НЗ | Ручной сброс | Винт |
| PNOZ X2.11P | 777331 | 24В Вашингтоне | 3НО+1НЗ | Ручной сброс | Винт |
- Cross-Brand Equivalent Replacement Table
| Бренд | Alternative Part | Ключевые различия | Область применения |
| Шнайдер | Zelio SR2B121BD | Single-channel, 2НО+1НЗ, 24VDC only | Low-risk applications with limited budget |
| Сименс | 3SK1111-1AB30 | Двухканальный,3НО+1НЗ,24В переменного/постоянного тока | Full drop-in replacement, SIL3 compliant |
| Омрон | G9SA-321-T075 | Двухканальный,3НО+1НЗ,24В переменного/постоянного тока | Matched for Japanese-built equipment, экономически эффективный |
| АББ | MSR125TP | Двухканальный,3НО+1НЗ,24В переменного/постоянного тока | Heavy-duty machinery with superior anti-vibration performance |
| Pilz Upgrade | PNOZ X2.7P (777311) | Широкое напряжение:24~240V AC/DC | Global projects with varying supply voltages |
- Среда применения & Отраслевые случаи
Recommended Applications
- Machinery Safety Monitoring: Emergency stop pushbuttons, safety door interlocks, safety light curtains, two-hand control stations
- Автомобильное производство: Welding robots, coating production lines, lithium battery equipment interlock control
- Electronics Assembly: SMT placement machines, AOI inspection equipment, laser cutter safety circuits
- Упаковочное оборудование: Высокоскоростные упаковочные линии, palletizing robots, over-temperature protection for heat-sealing devices
- Logistics Automation: Stacker cranes, AGVs, conveyor safety door & E-stop systems
Non-Recommended Applications
Safety systems requiring complex logic operations (PNOZmulti modular safety controller recommended)
Extreme high-vibration environments (>10г): extra vibration dampening required
Unprotected outdoor mounting (only IP20 body protection)
Типичные случаи применения
Case1: Lithium Battery Aging Room Safety Control for Automotive Industry
Функции: Access door interlock, emergency cut-off on over-temperature, fire protection linkage
Конфигурация: PNOZ X2.8P(777301)+safety door switch+temperature sensor+E-stop button
Outcome: PL e safety level achieved to prevent thermal runaway of lithium cells
Case2: Safety Circuit Retrofit for Laser Cutting Machine
Original Issue: Distributed safety PLC I/O triggered false shutdown twice in three years due to EMI interference
Решение: Replace with hardwired safety circuit using PNOZ X2.8P
Результат: Zero breakdown over 5 годы, response optimized ≤50ms, maintenance cost cut by 60%
- Selection Tips & Quick Reference Rules
Quick Selection Formula
24V AC/DC X2.8, dual-channel with three NO & one NC<br>
Винтовой терминал 777301, automatic start with top safety grade<br>
Аварийный останов, световая завеса & защитная дверь, certified SIL3 & ПЛ е<br>
DIN rail mounting saves cabinet space, fits all industrial sites
Quick Reference Rules
- Model Memorization: PNOZ X2.8P = Dual-channel + Mode8 + P=screw terminals
- Код заказа:777301 = standard baseline part of Pilz X2 family
- Core Specs:24В переменного/постоянного тока,3НО+1НЗ,≤50ms response,SIL3/PL e
- Terminal Wiring Rules:
Short S11-S12: Activate contact short-circuit detection
Short S21-S22: Deactivate contact short-circuit detection
Short S12-S34: Enable automatic start mode
Short S52-S11: Enable automatic reset function
VII. Установка & Рекомендации по техническому обслуживанию
Характеристики установки
- Mount vertically inside control cabinet with terminals facing upward for natural convection cooling
- Maintain ≥50mm clearance from heat-generating components, ≥30mm from cabinet inner walls
- Separate wiring of safety circuits and power circuits; route crossing wires at 90° to reduce EMI coupling
- Install 10A fuse in series ahead of output contacts for contact protection
Common Troubleshooting Guide
| Явление неисправности | Root Cause | Remedial Action |
| Power indicator off | 1. No power supply or reversed polarity | 1. Verify A1/A2 wiring |
| 2. Input voltage out of tolerance | 2. Confirm stable 24V AC/DC supply | |
| Safety outputs fail to close | 1. Open input circuit | 1. Check continuity of S11-S12/S21-S22 |
| 2. Incorrect start circuit configuration | 2. Confirm jumper status of S12-S34 | |
| Contact ablation/burning | 1. Overloaded output rating | 1. Upgrade to higher-rated relay |
| 2. Missing snubber for inductive loads | 2. Fit freewheeling diode(округ Колумбия) or varistor(переменного тока) in parallel | |
| Unexpected false tripping | 1. Electromagnetic interference on input lines | 1. Apply shielded cable with proper grounding |
| 2. Misconfigured short-circuit detection | 2. Adjust S11-S12/S21-S22 jumper setup |
VIII. Air Shipment Compliance & Certification Details
UN Number: Нет встроенной литиевой батареи, classified as non-dangerous goods
Категория транспорта: General cargo, acceptable for air, sea and land freight
CE Compliance: Соответствует EN 60947-5-1/-2 and EN ISO 13849-1
Код ТН ВЭД: 85364900 (Other electrical relays)
