Excellent PLC
Product Introduction
The Yokogawa S9879UK is a rugged industrial connector unit, designed for reliable electrical and mechanical interconnection within DCS (Distributed Control System), PLC cabinets, or field junction boxes. Featuring durable plug-in connectors with dust and vibration resistance, this unit supports quick plug-and-play operation, enabling modular field wiring and easy maintenance.
Product Specifications
| Parameter | Description |
|---|---|
| Model | Yokogawa S9879UK |
| Type | Plug-in connector unit |
| Contact Mechanism | Metal spring contacts / tin-plated pin connectors |
| Insulation Material | Industrial-grade flame-retardant plastic (UL94 V-0) |
| Contact Resistance | ≤ 5 mΩ |
| Rated Current | Up to 5 A (per channel) |
| Dielectric Voltage | AC 1,500 V (end-to-end) |
| Operating Temperature | -20 °C to +70 °C |
| Storage Temperature | -40 °C to +85 °C |
| Operating Humidity | 95% RH, non-condensing |
| Vibration / Shock | Passes industrial random vibration & shock tests |
| Dimensions | 50 × 32.8 × 107.5 mm |
| Weight | 0.3 kg |
| Protection Rating | IP20 (in rack use) |
| Wiring Method | Plug-in, no screws required |
| Mounting Options | DIN rail or panel-embedded, based on system |
Product Applications
-
DCS & PLC Module Connections
Acts as an interface bridge ensuring stable signal transmission between modules and backplanes. -
Field Junction Box Wiring
Provides structured and reliable wiring interface for field installations and maintenance. -
Modular I/O Plug-and-Play Systems
Supports hot-swappable module replacement, minimizing system downtime. -
Internal Signal Distribution
Simplifies power and signal distribution between multiple internal modules in control systems. -
Industrial Control Enclosures
Used in robot cabinet, power control cabinet, and other complex systems for internal module connection. -
Testing & Calibration Platforms
Facilitates rapid connection between test devices and control modules in maintenance tables.
Product Advantages
High Electrical Reliability
Features low-resistance metal contacts for stable, long-term electrical connectivity.
Quick Maintenance
Plug-and-play design accelerates module replacement and service operations.
Vibration and Shock Resistant
Tested to industrial standards for robustness in harsh environments.
Safe Insulation & High Voltage Withstand
Constructed from flame-retardant shell and high voltage tolerance for safety.
Versatile Mounting Options
Compatible with both DIN rail and embedded panel installations for flexible system integration.
Excellent Environmental Endurance
Wide temperature and humidity tolerance enable tough-field deployment.
FAQ
-
Q: How many insertion cycles does S9879UK support?
A: Designed for ≥ 1,000 insertions, ensuring durability in repeated use. -
Q: Does plugging generate electrical sparks?
A: Contact design ensures ground connection before signal, minimizing sparks and interference. -
Q: Is live insertion supported?
A: Live insertion is not recommended—power down before connecting for safety and longevity. -
Q: How to ensure reliable contact connection?
A: Rotate gently after insertion to confirm full engagement; visually verify pin seating. -
Q: Can it handle high currents?
A: Rated to 5 A per channel; for higher current needs, use parallel channels or higher-spec connectors. -
Q: Performance in cold environments?
A: Operates down to –20 °C; advise preheating if ambient < –40 °C before plug or unplug. -
Q: Need for regular replacement?
A: Not necessary—inspect and clean contact points around every 5 years under normal use. -
Q: Can it replace connectors from other brands?
A: Compatible if physical and electrical specs align; ensure material and voltage matching. -
Q: Performance in high-humidity conditions?
A: Use anti-corrosion measures and clean contacts and check oxidation regularly. -
Q: Multiple mounting options supported?
A: Yes—works with both DIN rail and panel embedding for flexible layouts.
Recommended Models (Same Series or Related)
| Model | Description |
|---|---|
| S9878UK | Low-profile connector unit for space-constrained cabinets |
| S9879UJ | High-voltage isolation connector unit |
| S9879UL | Connector unit with dust cover |
| S9880UK | Dual-contact enhanced connector unit |
| S9881UK | Connector unit with status LED |
| S9882UK | Connector with built-in cable strain relief |
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| Model | Description |
|---|---|
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| SSB402-20 S1 | Enhanced version with higher processing capacity |
| SPW485-60 S1 | High-speed module for real-time system integration |
