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WAGO 750-375 3Coupleur de bus de terrain PROFINET IO avancé de 3e génération
- Définition de la répartition du modèle
| Segment de modèle | Signification | Description détaillée |
| 750 | Série de produits | WAGO-I/O-SYSTEM 750, remote I/O system with IP20 protection rating |
| -375 | Type de produit | 3rd-Generation (Gen.3) Advanced PROFINET IO Coupleur de bus de terrain |
| /xxx-xxx | Extended Parameters | Optional suffix. Par exemple, /025-000 stands for wide-temperature version (-25°C à +70°C) |
Positionnement de base: Connects WAGO 750 series I/O modules to PROFINET IO network. Supports dual controller redundancy and multiple advanced functions.
- Principales spécifications techniques
| Catégorie | Données techniques | Remarques |
| Communication Features | ||
| Protocole | PROFINET IO, supporting LLDP, SNMP, HTTP | Compatible with PROFIsafe V2 and PROFIenergy V1.0 |
| Data Transfer Rate | 10/100 Mbit/s auto-negotiation | Integrated 2-port switch, supports linear topology |
| Redundancy | S2 system redundancy, 2 IO Controllers + 1 IO Supervisor | Automatic switchover to backup controller upon main controller failure |
| Process Image | Max.. 250 connection points/nodes, 64 field devices | Supports mixed transmission of analog (word/byte) and digital (peu) signals |
| Caractéristiques électriques | ||
| Alimentation | System side: 24VCC (19.2-28.8VCC); Field side: 24VCC (via power jumper) | Typical current: 50mA, Peak current: 150mA |
| Consommation d'énergie | Typical: 1.2W, Max.: 1.8W | |
| Caractéristiques mécaniques | ||
| Dimensions | W 61.5mm × H 100mm × D 68mm | DIN-35 rail mounting |
| Classe de protection | IP20 | Protects against solid foreign objects ≥12.5mm |
| Poids | Environ. 150g | |
| Conditions environnementales | ||
| Température de fonctionnement | Standard: 0°C à +55°C; Wide temperature: -25°C à +70°C (avec suffixe /025-000) | |
| Température de stockage | -40°C à +85°C | |
| Humidité relative | 5% à 95% (sans condensation) | |
| Résistance aux vibrations | 10-58Hz: 0.075mm; 58-150Hz: 1g | Conforme à la CEI 60068-2-6 |
| Certifications | CE, UL, ASC, ATEX, IECEx | Compliant with industrial safety standards |
3.Full Range of PROFINET IO Coupler Models
| Modèle | Taper | Principales fonctionnalités | Numéro de commande. |
| 750-375 | Advanced Version | 2-port switch, S2 redundancy, PROFIsafe V2, PROFIenergy | 750-375 |
| 750-375/025-000 | Advanced Wide-Temperature Version | Large plage de température (-25°C à +70°C), same functions as 750-375 | 750-375/025-000 |
| 750-377 | ECO Advanced Version | Cost-optimized, 1-port, full functions of 750-375 | 750-377 |
| 750-377/025-000 | ECO Wide-Temperature Version | Large plage de température, 1-port, cost-optimized | 750-377/025-000 |
| 750-352 | Basic Version | Basic PROFINET functions, no redundancy, 1-port | 750-352 |
- Remplacement & Comparaison entre marques
4.1 In-Series Replacement
| Ancien modèle | Nouveau modèle | Description du remplacement |
| 750-352 | 750-375 | Upgraded to 3rd generation; added 2-port switch, S2 redundancy and PROFIsafe |
| 750-353 | 750-377 | ECO version upgrade with optimized cost and enhanced functions |
4.2 Comparaison entre marques
| Marque | Modèle | Comparaison des fonctions | Avantages |
| WAGO | 750-375 | 2-port switch, S2 redundancy, PROFIsafe V2, wide-temperature option | Conception modulaire, cage clamp connection, installation facile |
| Contact Phénix | IL PN BK DI8 DO4 | Integrated 8DI/4DO, 1-port | All-in-one design, gain de place |
| Siemens | ET 200SP IM 155-6 PN HF | High protection class, redundancy available | Excellent compatibility with Siemens PLC |
| Beckhoff | BK9050 | High-speed real-time communication, EtherCAT support | Ideal for high-speed motion control |
| Alternative nationale | CHINT NXC-PN-01 | Basic PROFINET functions, rentable | Low price and local technical support |
- Application Environments & Cas industriels
5.1 Scénarios applicables
| Industrie | Applications typiques | Valeur fondamentale |
| Fabrication automobile | Robot control & body inspection in welding workshops | Dual controller redundancy ensures continuous production and reduces downtime |
| Chimique & Pharmaceutique | Distributed process control, hazardous area monitoring | Wide temperature range for harsh environments; PROFIsafe for safety-related applications |
| Pouvoir & Énergie | Substation automation, wind turbine monitoring | Strong EMC performance, supports remote diagnostics |
| Logistique & Entreposage | Automated warehouse, conveyor line control | Fast data transmission for multi-device coordination |
| Nourriture & Beverage | Filling line & packaging equipment control | Sanitary design, easy to clean and maintain |
5.2 Not Recommended Scenarios
Outdoor installation without extra protection (insufficient IP20 rating)
Environments with direct water contact or corrosive substances
Severe vibration (over 1g) and impact conditions
Zone 0 / Zone 20 hazardous areas requiring EX ia explosion protection (special I/O modules required)
5.3 Application Case: Automotive Welding Workshop
Project Background: An automotive manufacturer expanded remote I/O stations to connect 12 welding robots and 30 capteurs & actionneurs.
Solutions:
- Adopt WAGO 750-375 as PROFINET IO coupler to connect S7-1500 CPU.
- Equip with 750-1405 (16DEPUIS), 750-1504 (16FAIRE) et 750-469 (4IA) modules.
- Build linear network via integrated 2-port switch, cutting wiring work by over 30%.
Operation Results:
System response time < 1MS, meeting real-time control requirements.
Redundancy switchover time < 100MS, production line availability up to 99.99%.
Remote diagnostics reduce maintenance workload by 40% and lower operational costs.
- Guide de dépannage
6.1 Phénomènes de panne & Troubleshooting Procedures
| Phénomène de défaut | Causes possibles | Étapes de dépannage | Solutions |
| PWR LED off | Power loss or power failure | 1. Check 24VDC power supply | 1. Reconnect power supply |
| 2. Measure terminal voltage | 2. Remplacer le module d'alimentation | ||
| 3. Inspect power jumper | 3. Repair power jumper | ||
| LINK LED off | Network connection failure | 1. Check Ethernet cable connection | 1. Re-plug Ethernet cable |
| 2. Test cable continuity | 2. Replace cable | ||
| 3. Inspect switch port | 3. Change switch port | ||
| USR LED blinking | Configuration error | 1. Check GSDML file version | 1. Update GSDML file |
| 2. Verify IP address settings | 2. Reconfigure IP address | ||
| 3. Check PROFINET parameters | 3. Verify PROFINET parameters | ||
| No response from I/O modules | Poor module connection | 1. Check module assembly | 1. Reinstall modules |
| 2. Check terminator module | 2. Fit terminator module | ||
| 3. Verify process image configuration | 3. Reconfigure process image | ||
| Redundancy switchover failure | Incorrect redundancy configuration | 1. Check S2 redundancy parameters | 1. Reconfigure S2 redundancy |
| 2. Verify dual controller connection | 2. Fix controller connection | ||
| 3. Check PROFINET redundancy settings | 3. Verify redundancy parameters |
6.2 Calendrier d'entretien
| Maintenance Item | Cycle | Operation Content |
| Inspection visuelle | Mensuel | Check for damage and overheating |
| Connection Inspection | Trimestriel | Check loose wiring, especially power and Ethernet cables |
| Mise à jour du micrologiciel | Semi-annually | Check official WAGO website for latest firmware and update if needed |
| Test de fonctionnement | Annuellement | Simulate faults to test redundancy switchover and diagnostic functions |
- Conseils de sélection & Quick Reference Rules
Conseils de sélection
Choisir 750-375 for PROFINET, strong dual-port and redundancy performance;
Add suffix /025-000 for wide temperature, pick 750-377 for ECO solution;
Ideal for automotive, chemical and power industries, indoor use with IP20;
Tool-free cage clamp wiring, stable performance under vibration.
Quick Reference Rules
- 750 refers to the base series; 375 stands for advanced PROFINET version.
- 2-port switch, redundancy and PROFIsafe are three core advantages of 750-375.
- Add suffix /025-000 for wide temperature; select 750-377 for cost control.
- A terminator module (par exemple. 750-891) is mandatory for normal operation.
- Supports up to 64 field devices and 250 connection points.
- Key Features Summary
- 3rd-Generation PROFINET Technology: Compliant with latest PROFINET standards for stable and high-speed communication.
- Dual Controller Redundancy: Adopts S2 system redundancy protocol to ensure continuous operation of critical systems.
- Integrated 2-Port Switch: No extra network devices required, cost-effective for linear topology construction.
- PROFIsafe V2 Support: Meets safety application requirements up to SIL 3.
- Wide Operating Temperature: Standard range 0°C ~ +55°C; wide-temperature version -25°C ~ +70°C.
- Cage Clamp Connection: Tool-free fast wiring, excellent vibration resistance with contact resistance variation < 0.5mΩ.
