피닉스컨택트 UM-IC14-8R/DO/1NO/DRY/S7: 8-S7-300 전용 채널 건식 접점 릴레이 모듈 (주문번호: 2902889)
- 모델 코드 설명
| 코드 세그먼트 | 설명 |
| 하나 | 제품 시리즈 코드, VARIOFACE interface module series (Universal Module) |
| IC14 | 인터페이스 유형, 14-pin IDC/FLK header, compatible with Siemens S7-300/ET200M |
| 8아르 자형 | 8-channel Relay Output |
| ~하다 | 디지털 출력 |
| 1아니요 | 연락처 구성: 1 Normally Open contact |
| DRY | 접촉 유형: Dry contact (no built-in power supply) |
| S7 | Compatible controller: Siemens S7 series PLC |
| 2902889 | Official Phoenix Contact order number |
- 주요사양
| 목 | 명세서 | 비고 |
| General Features | ||
| 제품 유형 | 8-channel digital output relay module | Front-mounted for S7-300/ET200M I/O cards |
| 연락처 구성 | 1 dry normally open contact per channel | No internal power supply; external voltage required for loads |
| Rated Load Current | 3 채널당 A (저항 부하) | 맥스. switching voltage: 250 뷔와 / 30 DC에서 |
| Mechanical Lifespan | 2×10⁷ switching cycles | Electrical lifespan: 10⁵ cycles at rated load |
| 입력 전압 | 24 V DC ±10% | 작동 범위: 21.6 – 26.4 DC에서 |
| 전기적 특성 | ||
| 입력 전류 | 9.5 mA per channel @ 24 DC에서 | Equipped with freewheeling diode for protection |
| 유전 강도 | 4 kV (basic insulation) | Overvoltage Category III, 오염도 2 |
| Isolation Type | Optocoupler isolation between channels, coils and contacts | IEC를 준수 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 | 나사 연결 | Solid wire: 0.2 – 4 mm²; Stranded wire: 0.2 – 2.5 mm² |
| 물리적 특성 | ||
| 치수 (폭×높이×깊이) | 90 × 65 × 92 mm | Mounted on standard NS 35/7.5 DIN 레일 |
| 무게 | 대략. 142 g | Packing unit: 1 piece per box |
| 작동 온도 | -20 °C ~ +50 ℃ | 보관온도: -40 °C ~ +85 ℃ |
| 상태 표시 | Green LED (힘), 노란색 LED (Channel output) | Clear operating status display |
- 전체 모델 목록 (UM-IC14 Series S7-specific Relay Modules)
| 주문 번호. | 모델 | 연락처 구성 | Contact Type | 정격전류 | 응용 시나리오 |
| 2902889 | UM-IC14/8R/DO/1NO/DRY/S7 | 1NO per channel | Dry contact | 3 에이 | General digital output for externally powered loads |
| 2902891 | UM-IC14/8R/DO/1CO/DRY/S7 | 1 Changeover contact per channel | Dry contact | 10 에이 | High-current loads with common terminal switching |
| 2902892 | UM-IC14/8R/DO/1CO/WET/S7 | 1 Changeover contact per channel | Wet contact | 4 에이 | Direct drive for 24 DC에서 / 230 V AC loads |
| 2902893 | UM-IC14/8R/DO/1NO/WET/S7 | 1NO per channel | Wet contact | 4 에이 | Direct drive for 24 V DC loads, no external power needed |
| 2902896 | UM-IC14/8DO/F/LA/S7 | Straight-through (no relay) | 트랜지스터 출력 | 0.8 에이 | Low-current signal transmission with fuse protection |
- 교체 모델 & 경쟁사 비교
4.1 Official Phoenix Contact Replacements
| 원래 모델 | 권장 교체 | 호환성 | 개량 |
| 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) | 완벽하게 호환됨 | Changeover contacts for more control applications |
| 2902889 | REL-MR-G24/1 (2966024) + 베이스 | Rewiring required | Independent relays for lower cost |
4.2 Cross-brand Competitor Comparison (기능 호환성)
| 상표 | 모델 | 연락처 구성 | 정격전류 | Compatible PLC | 가격대 |
| 바이드뮐러 | DRM 570024 | 1NO per channel | 3 에이 | S7-300 | 중간 |
| 슈나이더 일렉트릭 | Zelio RSH21 | 1NO per channel | 3 에이 | General use | 중간 |
| 지멘스 | 3RH2911-1HA11 | 1NO per channel | 3 에이 | S7-300 | 중간-높음 |
| 피닉스컨택트 | 2902889 | 1NO per channel | 3 에이 | S7-300 | 중간 |
| 친트 | NXR-25 | 1NO per channel | 5 에이 | General use | 낮은 |
- 응용 환경 & 산업 사례
5.1 적용 가능한 시나리오 (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, 접촉기, 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 (제한사항)
❌ High-frequency Switching Applications: Limited mechanical contact lifespan; not suitable for switching over 10 초당 횟수 (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 일반적인 적용 사례
사례 1: S7-300 Control System for Automotive Component Assembly Lines
구성: S7-300 CPU 315-2DP + 6ES7322-1BL00-0AA0 DO card + 4 pcs of 2902889 모듈
기능: 제어 16 pneumatic actuators and 16 indicator lights for sequential processes including bolt tightening and component pressing
장점: 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
사례 2: Status Indication System for Food & Beverage Filling Lines
구성: ET200M distributed I/O station + 2902889 기준 치수 + 8 pcs of 24 V DC indicators
기능: Real-time status display for 8 working procedures including bottle washing, 충전재, capping and labeling; automatic alarm upon faults
장점: LED indicators enable quick fault location; dry contacts eliminate power conflicts and improve system stability
유지: Modules can be removed and replaced without power cut to minimize downtime
- 문제 해결 & 유지보수 가이드
6.1 LED Indicator Diagnosis
| 지시자 | 색상 | 상태 | 의미 | 권장 사항 |
| 힘 | 녹색 | 끄다 | 아니요 24 V DC input | Check output voltage of DO card and wiring |
| 힘 | 녹색 | ~에 | Normal power supply | Operating normally |
| 채널 | 노란색 | 끄다 | 출력 신호 없음 | Check PLC program output and module address settings |
| 채널 | 노란색 | ~에 | Normal output signal | Inspect field load wiring and test contact continuity |
| 채널 | 노란색 | 섬광 | Output short circuit / 초과 적재 | Disconnect loads, troubleshoot short circuits and replace faulty channels |
6.2 일반적인 결함 & 솔루션
| 결함 현상 | 가능한 원인 | 솔루션 |
| No module output | 1. Power failure or abnormal voltage | 1. 단자 전압 측정 (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 등급 | 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 ℃ | 1. 환기를 개선하고 주변 온도를 낮추세요 |
| 2. Full-load operation of multiple channels | 2. Distribute loads and avoid full load on all channels simultaneously | |
| 3. Poor heat dissipation | 3. 최소 예약 5 mm clearance around the module for heat dissipation |
6.3 유지보수 일정 & 메모
| Maintenance Item | 주기 | 작동 참고 사항 |
| Module Cleaning | 모든 3 개월 | Cut off power first; remove dust with dry compressed air. Do not use liquid cleaners. |
| Connection Inspection | 모든 6 개월 | Check FLK headers and screw terminals for looseness and pin oxidation |
| 기능 테스트 | 모든 1 month | Manually trigger each channel output and verify LED and contact operation |
| Load Current Check | 모든 3 개월 | Measure current of each channel to ensure it does not exceed 3 등급 |
| Spare Parts Preparation | For critical systems | Prepare 1–2 spare modules for rapid replacement of faulty units |
- 선택 지침 & 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
- 연락처 구성: 1NO for simple control; 1CO changeover contacts for common terminal switching
- Current Requirement: 3 에이 (1아니요) 가벼운 하중용; 10 에이 (1콜로라도) 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 에이)
- 유지관리 용이: 2902889 → UMK-8RM/MR-G24/1/PLC (pluggable relays)
- System upgrade: 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, 음식, 수처리, 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.
사례 1: Welding Production Line for Automotive Components (S7-300 Main Control)
시스템 구성
PLC: S7-300 CPU 315-2DP
DO Card: 6ES7322-1BL00 (32-point DO)
인터페이스 모듈: 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
기능
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
이익
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
사례 2: 음식 & Beverage Filling Line (ET200M Distributed I/O)
시스템 구성
원격 I/O: ET200M IM153-1 + 6ES7322-1BH01 (16-point DO)
인터페이스 모듈: 2 pcs of UM-IC14-8R/DO/1NO/DRY/S7
Loads: 24 V DC proximity switch indicators, 220 V AC conveyor motor contactor coils, 솔레노이드 밸브
기능
Sequential linkage and interlock for bottle washing, 충전재, 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
이익
Distributed I/O stations realize relay output directly, eliminating intermediate relay cabinets
넓은 온도 범위 (-20 ℃ ~ +50 ℃) and IP20 rating ensure stable operation in humid and dusty food workshops
Non-polar dry contacts reduce on-site wiring errors
사례 3: Municipal Wastewater Treatment Plant (S7-300 for Rake, 펌프 & Valve Control)
시스템 구성
PLC: S7-300 CPU 314C-2DP
DO Card: 6ES7322-1BL00
인터페이스 모듈: 3 pcs of UM-IC14-8R/DO/1NO/DRY/S7
Loads: 220 V AC mechanical rakes, lift pumps, electric valve control circuits
기능
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
이익
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
사례 4: HVAC System of Large Commercial Buildings (Air Conditioning, Fresh Air & Smoke Exhaust)
시스템 구성
PLC: S7-300 CPU 313C
DO Card: 6ES7322-1BH00
인터페이스 모듈: 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
기능
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 다섯 / 220 V mixed control circuits in buildings
이익
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
사례 5: 포장기계 (수직의 & Horizontal Packaging Machines)
시스템 구성
PLC: S7-300 CPU 312
DO Card: 6ES7322-1BH01
인터페이스 모듈: 1 pc of UM-IC14-8R/DO/1NO/DRY/S7
Loads: 24 V DC cutting solenoid valves, feeding motor starters, material level alarm lights
기능
Sequential control for packaging film feeding, 포지셔닝, 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
이익
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): 호환 가능 24 다섯, 220 다섯, 110 V and other common voltages for all types of low-power field loads
3 A per Channel: Ideal for solenoid valves, 접촉기 코일, indicators and buzzers
Optocoupler Isolation: Protects PLC devices and provides strong anti-interference capability for harsh industrial environments
LED 상태 표시: Greatly accelerates commissioning, inspection and maintenance work
접촉기,회로 차단기,태양광 인버터,전기 계량기,태양 전지

















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