المقاولين,قاطع الدائرة,العاكس للطاقة الشمسية,عداد كهرباء,البطاريات الشمسية
اتصال فينيكس UM-IC14-8R/DO/1NO/DRY/S7: 8-channel dry contact relay module dedicated for S7-300 (رقم الطلب: 2902889)
- شرح كود النموذج
| مقطع الكود | وصف |
| UM | رمز سلسلة المنتج, VARIOFACE interface module series (Universal Module) |
| IC14 | Interface type, 14-pin IDC/FLK header, compatible with Siemens S7-300/ET200M |
| 8ر | 8-channel Relay Output |
| يفعل | الإخراج الرقمي |
| 1لا | تكوين الاتصال: 1 Normally Open contact |
| DRY | نوع الاتصال: Dry contact (no built-in power supply) |
| S7 | Compatible controller: Siemens S7 series PLC |
| 2902889 | Official Phoenix Contact order number |
- Main Specifications
| غرض | تحديد | ملاحظات |
| General Features | ||
| نوع المنتج | 8-channel digital output relay module | Front-mounted for S7-300/ET200M I/O cards |
| تكوين الاتصال | 1 dry normally open contact per channel | No internal power supply; external voltage required for loads |
| Rated Load Current | 3 A per channel (حمل مقاوم) | الأعلى. switching voltage: 250 الخامس و / 30 في العاصمة |
| Mechanical Lifespan | 2×10⁷ switching cycles | Electrical lifespan: 10⁵ cycles at rated load |
| جهد الإدخال | 24 V DC ±10% | نطاق التشغيل: 21.6 - 26.4 في العاصمة |
| الخصائص الكهربائية | ||
| المدخلات الحالية | 9.5 mA per channel @ 24 في العاصمة | Equipped with freewheeling diode for protection |
| قوة عازلة | 4 كيلو فولت (basic insulation) | Overvoltage Category III, درجة التلوث 2 |
| Isolation Type | Optocoupler isolation between channels, coils and contacts | متوافق مع IEC 60664 |
| Connection Features | ||
| Controller Side | 14-pin IDC/FLK header (2.54 mm pin pitch) | Matches S7-300 digital output cards e.g. 6ES7322-1BL00 |
| Field Side | اتصال المسمار | Solid wire: 0.2 - 4 مم²; Stranded wire: 0.2 - 2.5 مم² |
| الخصائص البدنية | ||
| أبعاد (العرض × الارتفاع × العمق) | 90 × 65 × 92 مم | Mounted on standard NS 35/7.5 السكك الحديدية الدين |
| وزن | تقريبا. 142 ز | Packing unit: 1 piece per box |
| درجة حرارة التشغيل | -20 °C to +50 درجة مئوية | Storage temperature: -40 °C to +85 درجة مئوية |
| إشارة الحالة | Green LED (قوة), Yellow LED (Channel output) | Clear operating status display |
- قائمة النماذج الكاملة (UM-IC14 Series S7-specific Relay Modules)
| رقم الطلب. | نموذج | تكوين الاتصال | Contact Type | التصنيف الحالي | سيناريوهات التطبيق |
| 2902889 | UM-IC14/8R/DO/1NO/DRY/S7 | 1NO per channel | Dry contact | 3 أ | General digital output for externally powered loads |
| 2902891 | UM-IC14/8R/DO/1CO/DRY/S7 | 1 Changeover contact per channel | Dry contact | 10 أ | High-current loads with common terminal switching |
| 2902892 | UM-IC14/8R/DO/1CO/WET/S7 | 1 Changeover contact per channel | Wet contact | 4 أ | Direct drive for 24 في العاصمة / 230 V AC loads |
| 2902893 | UM-IC14/8R/DO/1NO/WET/S7 | 1NO per channel | Wet contact | 4 أ | Direct drive for 24 V DC loads, no external power needed |
| 2902896 | UM-IC14/8DO/F/LA/S7 | Straight-through (no relay) | Transistor output | 0.8 أ | Low-current signal transmission with fuse protection |
- نماذج الاستبدال & Competitor Comparison
4.1 Official Phoenix Contact Replacements
| النموذج الأصلي | Recommended Replacement | التوافق | Improvements |
| 2902889 | UMK-8RM/MR-G24/1/PLC (2979469) | Requires adaptation for S7-1500 | Pluggable relays for easier maintenance |
| 2902889 | UM-IC14/8R/DO/1CO/DRY/S7 (2902891) | متوافقة تماما | Changeover contacts for more control applications |
| 2902889 | REL-MR-G24/1 (2966024) + Base | Rewiring required | Independent relays for lower cost |
4.2 Cross-brand Competitor Comparison (التوافق الوظيفي)
| ماركة | نموذج | تكوين الاتصال | التصنيف الحالي | Compatible PLC | نطاق السعر |
| فايدمولر | DRM 570024 | 1NO per channel | 3 أ | S7-300 | واسطة |
| شنايدر إلكتريك | Zelio RSH21 | 1NO per channel | 3 أ | General use | واسطة |
| سيمنز | 3RH2911-1HA11 | 1NO per channel | 3 أ | S7-300 | Medium-High |
| اتصال فينيكس | 2902889 | 1NO per channel | 3 أ | S7-300 | واسطة |
| شينت | NXR-25 | 1NO per channel | 5 أ | General use | قليل |
- بيئة التطبيق & حالات الصناعة
5.1 السيناريوهات القابلة للتطبيق (Advantage Matching)
✅ Siemens S7-300/ET200M System Expansion: Front installation without cabinet modification for quick addition of digital output points
✅ Industrial Automation Production Lines: Control solenoid valves, المقاولين, indicators and other actuators to realize process automation
✅ Process Control Systems: Isolate PLC outputs from field high-voltage signals in chemical and power industries to enhance system safety
✅ Building Automation: HVAC and lighting system control; dry contacts adapt to various load types
✅ Equipment Manufacturing: Standard interface for OEM machines such as packaging machines, printers and CNC machine tools to shorten development cycle
5.2 Not Recommended Scenarios (القيود)
❌ High-frequency Switching Applications: Limited mechanical contact lifespan; not suitable for switching over 10 مرات في الثانية الواحدة (Solid State Relays are recommended)
❌ High-current Loads: 3 A maximum per channel; do not drive high-power equipment like motors directly (use contactors for transition)
❌ Explosion-proof Areas: No explosion-proof certification; use dedicated explosion-proof modules or install inside certified explosion-proof cabinets
❌ S7-1200/1500 Systems: Incompatible interface; select corresponding UMK series modules e.g. UMK-8RM/MR-G24/1/PLC
5.3 حالات التطبيق النموذجية
قضية 1: S7-300 Control System for Automotive Component Assembly Lines
إعدادات: S7-300 CPU 315-2DP + 6ES7322-1BL00-0AA0 DO card + 4 pcs of 2902889 وحدات
وظائف: يتحكم 16 pneumatic actuators and 16 indicator lights for sequential processes including bolt tightening and component pressing
المزايا: Dry contacts support mixed loads of different voltages (24 V DC solenoid valves, 220 V AC indicators); optocoupler isolation protects PLC cards against field interference
Key Technology: Seamless connection with S7-300 DO cards via FLK cables to reduce wiring errors
قضية 2: Status Indication System for Food & Beverage Filling Lines
إعدادات: ET200M distributed I/O station + 2902889 وحدة + 8 pcs of 24 V DC indicators
وظائف: Real-time status display for 8 working procedures including bottle washing, تعبئة, capping and labeling; automatic alarm upon faults
المزايا: LED indicators enable quick fault location; dry contacts eliminate power conflicts and improve system stability
صيانة: Modules can be removed and replaced without power cut to minimize downtime
- استكشاف الأخطاء وإصلاحها & دليل الصيانة
6.1 LED Indicator Diagnosis
| Indicator | لون | Status | معنى | Recommendations |
| قوة | أخضر | Off | لا 24 V DC input | Check output voltage of DO card and wiring |
| قوة | أخضر | On | إمدادات الطاقة العادية | Operating normally |
| قناة | أصفر | Off | No output signal | Check PLC program output and module address settings |
| قناة | أصفر | On | Normal output signal | Inspect field load wiring and test contact continuity |
| قناة | أصفر | Flashing | Output short circuit / الزائد | Disconnect loads, troubleshoot short circuits and replace faulty channels |
6.2 الأخطاء الشائعة & الحلول
| ظاهرة الخلل | الأسباب المحتملة | الحلول |
| No module output | 1. Power failure or abnormal voltage | 1. Measure terminal voltage (21.6–26.4 V DC) |
| 2. No output from PLC program | 2. Monitor DO status via programming software | |
| 3. Incorrect module address | 3. Verify I/O address allocation and re-download hardware configuration | |
| 4. Poor header connection | 4. Reconnect FLK cable and check for bent pins | |
| Poor contact performance | 1. Oxidized contacts | 1. Clean contacts or replace the module |
| 2. Load current exceeds 3 A rating | 2. Reduce load or add intermediate contactors | |
| 3. Loose wiring caused by vibration | 3. Retighten field terminal connections | |
| LED on but no output | 1. Burned contacts | 1. Measure contact resistance to check continuity |
| 2. Open-circuited load | 2. Inspect and replace defective loads | |
| 3. Wrong common terminal wiring | 3. Recheck common terminal wiring to match load power | |
| Severe overheating | 1. Ambient temperature over 50 درجة مئوية | 1. تحسين التهوية وخفض درجة الحرارة المحيطة |
| 2. Full-load operation of multiple channels | 2. Distribute loads and avoid full load on all channels simultaneously | |
| 3. سوء تبديد الحرارة | 3. Reserve at least 5 mm clearance around the module for heat dissipation |
6.3 Maintenance Schedule & ملحوظات
| عنصر الصيانة | دورة | ملاحظات العملية |
| Module Cleaning | كل 3 شهور | Cut off power first; remove dust with dry compressed air. Do not use liquid cleaners. |
| Connection Inspection | كل 6 شهور | Check FLK headers and screw terminals for looseness and pin oxidation |
| اختبار الوظيفة | كل 1 month | Manually trigger each channel output and verify LED and contact operation |
| Load Current Check | كل 3 شهور | Measure current of each channel to ensure it does not exceed 3 A rating |
| Spare Parts Preparation | For critical systems | Prepare 1–2 spare modules for rapid replacement of faulty units |
- إرشادات الاختيار & Quick Reference Rules
7.1 Three Key Points for UM-IC14 Selection
- Contact Type: DRY dry contacts for multi-voltage loads; WET wet contacts for direct 24 V DC load drive
- تكوين الاتصال: 1NO for simple control; 1CO changeover contacts for common terminal switching
- Current Requirement: 3 أ (1لا) for light loads; 10 أ (1شركة) for high-current loads
7.2 Troubleshooting Tips
LED off → Check power; LED on with no output → Check contacts; LED flashing → Check overload
Poor contact → Check load; Overheating → Check heat dissipation; Multi-channel failure → Check common terminal
7.3 Priority of Replacement Solutions
- Same series upgrade: 2902889 → 2902891 (1CO dry contact, 10 أ)
- Easy maintenance: 2902889 → UMK-8RM/MR-G24/1/PLC (pluggable relays)
- ترقية النظام: 2902889 → UMK series modules compatible with S7-1500
Practical Application Cases of UM-IC14-8R/DO/1NO/DRY/S7 (2902889)
The following are widely applied field cases covering automotive, طعام, water treatment, HVAC and packaging machinery. All cases take advantage of its core features: compatibility with S7-300/ET200M, dry contact isolation and support for multi-voltage loads.
قضية 1: Welding Production Line for Automotive Components (S7-300 Main Control)
System Configuration
بلك: S7-300 CPU 315-2DP
DO Card: 6ES7322-1BL00 (32-point DO)
Interface Module: 4 pcs of UM-IC14-8R/DO/1NO/DRY/S7 (32 relay outputs in total)
Loads: 24 V DC pneumatic solenoid valves, 220 V AC welding indicators, buzzers
وظائف
Control clamping/releasing of welding fixtures, forward/retract of welding torches and interlock between working stations
Three-color indicators (Run/Standby/Fault) for each station
Dry contacts directly switch mixed 24 V DC and 220 V AC loads without cabinet modification or additional relays
Optocoupler isolation between PLC and field high voltage prevents malfunction caused by high-frequency interference from welding equipment
Benefits
Direct connection to DO card via prefabricated FLK14 cable reduces wiring time by 70%
Short circuit on field side only damages module channels without affecting PLC cards
Hot-swap replacement of individual modules during operation minimizes production downtime
قضية 2: طعام & Beverage Filling Line (ET200M Distributed I/O)
System Configuration
Remote I/O: ET200M IM153-1 + 6ES7322-1BH01 (16-point DO)
Interface Module: 2 pcs of UM-IC14-8R/DO/1NO/DRY/S7
Loads: 24 V DC proximity switch indicators, 220 V AC conveyor motor contactor coils, صمامات الملف اللولبي
وظائف
Sequential linkage and interlock for bottle washing, تعبئة, capping, labeling and inspection processes
Independent dry contacts per channel for actuators of different voltages
Yellow LEDs display real-time output status for quick on-site inspection
Built-in freewheeling protection extends service life of solenoid valve coils
Benefits
Distributed I/O stations realize relay output directly, eliminating intermediate relay cabinets
نطاق درجة حرارة واسعة (-20 °C ~ +50 درجة مئوية) and IP20 rating ensure stable operation in humid and dusty food workshops
Non-polar dry contacts reduce on-site wiring errors
قضية 3: Municipal Wastewater Treatment Plant (S7-300 for Rake, Pump & Valve Control)
System Configuration
بلك: S7-300 CPU 314C-2DP
DO Card: 6ES7322-1BL00
Interface Module: 3 pcs of UM-IC14-8R/DO/1NO/DRY/S7
Loads: 220 V AC mechanical rakes, lift pumps, electric valve control circuits
وظائف
Timed start/stop of coarse and fine rakes and linkage control based on liquid level
Alternate operation and automatic switchover between primary and standby sewage pumps upon faults
Open/close and position indication for electric valves
Dry contacts directly drive 220 V AC contactor coils (≤3 A) without intermediate relays
Benefits
Compact cabinet layout saves space, materials and labor costs
Mechanical lifespan of 2×10⁷ cycles ensures reliable performance for frequently started pumps and valves
Independent common terminals facilitate grouped maintenance and power cut operations
قضية 4: HVAC System of Large Commercial Buildings (Air Conditioning, Fresh Air & Smoke Exhaust)
System Configuration
بلك: S7-300 CPU 313C
DO Card: 6ES7322-1BH00
Interface Module: 2 pcs of UM-IC14-8R/DO/1NO/DRY/S7
Loads: 24 V DC air damper actuators, 220 V AC fan/air conditioning unit contactors, alarm buzzers
وظائف
Proportional and on/off control for fresh air dampers, return air dampers and smoke exhaust dampers
Start/stop of air conditioning units and linkage with frequency converters
Fire linkage: Automatically close fresh air systems and activate smoke exhaust upon fire alarm
Dry contacts adapt to common 24 V / 220 V mixed control circuits in buildings
Benefits
Standard building control solution applicable to multiple floors and buildings
LED indicators help maintenance staff locate faulty circuits rapidly
Isolation design suppresses interference from inverters and dimming devices inside buildings
قضية 5: ماكينات التعبئة والتغليف (Vertical & Horizontal Packaging Machines)
System Configuration
بلك: S7-300 CPU 312
DO Card: 6ES7322-1BH01
Interface Module: 1 pc of UM-IC14-8R/DO/1NO/DRY/S7
Loads: 24 V DC cutting solenoid valves, feeding motor starters, material level alarm lights
وظائف
Sequential control for packaging film feeding, تحديد المواقع, cutting and sealing
High/low material level alarm and automatic stop for material shortage
Dry contacts directly drive low-power actuators to simplify electrical design of equipment
Benefits
Standardized design for OEM equipment ensures consistent wiring and fast commissioning in mass production
Compact size and DIN rail mounting suit narrow cabinets
Independent channels prevent faults on one channel from affecting overall machine operation
General Advantages Summary
Dedicated for S7-300/ET200M: Direct FLK14 connection, no adapters required and fewer wiring mistakes
Dry Contact (DRY): متوافق مع 24 V, 220 V, 110 V and other common voltages for all types of low-power field loads
3 A per Channel: Ideal for solenoid valves, contactor coils, indicators and buzzers
Optocoupler Isolation: Protects PLC devices and provides strong anti-interference capability for harsh industrial environments
LED Status Indication: Greatly accelerates commissioning, inspection and maintenance work
