Kunshan SVL Electric Co.,Ltd

Kunshan SVL Electric Co.,Ltd

Technical Deep Dive | SVLEC Valve Terminal: Driving Pneumatic Control with a Single Device

2026 07/10

In the wave of smart manufacturing and automation development, pneumatic control systems are rapidly evolving toward networking, integration, and flexibility. As the core hub connecting electrical control and pneumatic execution, the performance of a valve terminal directly impacts production line efficiency, wiring complexity, and post-maintenance costs.
 
1
Relying on independent innovation, SVLEC has introduced the FD Series Intelligent Valve Terminal. This series covers various structural designs—including integrated plug-in, D-SUB interface, and high-density dual-row types—and delivers full compatibility with the following mainstream industrial communication protocols:
2
It also supports flexible, multi-brand valve slice replacement. This article will provide a deep dive into the technical details and selection essentials of SVLEC valve terminals across four dimensions: naming conventions, technical advantages, product configurations, and accessory selection.

 

Part 1. Model Decoding: One Coding System to Read All Configurations

SVLEC valve terminals utilize a modular naming convention.

Taking FD2-PN-10-1-SY5-5M52-3C53-2-S10-L06 as an example:

3

 

 

Part 2. Core Technical Advantages: Beyond Integration, Embracing Intelligence

· Full Protocol Coverage, Plug-and-Play
The fieldbus valve terminal supports multiple industrial Ethernet and fieldbus protocols (Profinet, EtherNet/IP, EtherCAT, CC-Link, IO-Link, etc.). It seamlessly interfaces with mainstream PLCs from Siemens, Rockwell Automation, Beckhoff, Mitsubishi, Omron, and others, eliminating the need for gateway conversion.

· High-Density Design, Dramatically Reduced Footprint
A single valve terminal supports up to 24 double-solenoid valves. Compared to traditional discrete valve assemblies, the installation footprint is significantly reduced, making it ideal for automation equipment with limited control cabinet space.

4

· A Single Bus Cable for Ultra-Minimalist Wiring
Only one Ethernet cable is required to daisy-chain the entire valve terminal, allowing real-time uploading of all I/O data and diagnostic information. Say goodbye to hundreds of point-to-point control lines, reducing wiring time by over 80%.

· All-Port Diagnostics for Visualized Maintenance
Each solenoid valve coil features open-circuit, short-circuit, and overload diagnostic capabilities. Fault status can be read directly via the fieldbus, pin-pointing the exact faulty valve slice and drastically reducing troubleshooting and downtime.

· Optional Inlet Pressure Detection
Supports the integration of a pressure sensor at the air inlet to monitor supply pressure in real time. This data is reported via the fieldbus to provide solid data support for predictive maintenance.

5

 

Part 3. Three Product Configurations for Diverse Application Scenarios

1. Dual-Row Valve Terminal —— Communication Interface + Manifold Block

6

· Structural Features: Employs a dual-row manifold block layout to maximize space utilization. A single valve terminal supports up to 24 valve stations, drastically reducing the overall installation footprint.

· Configuration Examples:

7

 

2. Integrated Plug-In Valve Terminal —— Communication Interface + Manifold Block

8

· Structural Features: The communication interface and manifold block are integrally designed, utilizing a plug-in blade installation. This configuration is perfectly suited for high-density, high-speed communication scenarios.

· Configuration Examples: 

9

3. D-SUB Valve Terminal —— D-SUB Interface + Manifold Block

10

· Structural Features: Equipped with a D-SUB 25-pin connector to maintain compatibility with traditional PLC parallel outputs while retaining the benefits of high-density integration.

· Configuration Examples:

11

 

 

Part 4. Accessory System: A Complete Connectivity Ecosystem for One-Stop Sourcing

SVLEC provides a comprehensive range of matching connectivity components to guarantee reliable physical connections between the valve terminal and the control system.

12
13

Conclusion

Featuring full protocol compatibility, ultra-high integration, flexible configuration, and intelligent diagnostics, the SVLEC FD Series Valve Terminal delivers an all-in-one solution spanning from communication to execution for automation equipment.

Whether it is for greenfield production lines or brownfield retrofits, SVLEC valve terminals empower you to intelligently control the future of pneumatics through flexible combinations and highly reliable connections.