Signal SD-DC-3B 3-Way Latching DataCoil™ with S402 Base & LED Status Indicators
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The Signal SD-DC-3B 3-Way Latching DataCoil™ is an intelligent two-wire valve control device designed for direct integration with Signal SDS Series Two-Wire Irrigation Controllers. Featuring an integrated decoder, rugged S402 base, and dual LED status indicators, the SD-DC-3B allows compatible hydraulic control valves to communicate directly with the SDS controller without requiring a separate field decoder. Bi-directional two-wire communication provides valve status updates approximately every three seconds, supporting real-time diagnostics of valve operation, wiring condition, and system performance. Rated to 10 bar and designed around industry-standard solenoid dimensions, the DataCoil™ is suitable for landscape, agricultural, commercial, and challenging water-quality applications.
Suitable Applications
- Commercial landscape irrigation systems
- Agricultural irrigation systems
- Sports fields and turf irrigation
- Municipal parks and public landscape systems
- Two-wire irrigation valve installations
- Retrofit of compatible hydraulic control valves
- Remote field valve control using SDS Series controllers
- Sites requiring real-time valve status monitoring
- Dirty-water or challenging irrigation environments
- Outdoor and underground valve box installations
Key Specifications
| Product Name | Signal SD-DC-3B 3-Way Latching DataCoil™ with S402 Base & LED Status Indicators |
| Model | SD-DC-3B |
| Product Type | 3-Way Latching Two-Wire DataCoil™ with Integrated Decoder |
| Base Type | S402 |
| Controller Compatibility | Signal SDS-50 and SDS-100 Two-Wire Irrigation Controllers |
| Communication | Bi-Directional Two-Wire Communication |
| Status Update Interval | Approximately Every 3 Seconds |
| Decoder | Integrated; No Separate Field Decoder Required |
| LED Indicators | Dual Red and Green Status LEDs |
| LED Lens | Diffuser Lens Designed for Improved Daylight Visibility |
| Pressure Rating | Up to 10 bar |
| Mounting | Industry-Standard Solenoid Coil Fit |
| Power Supply | Powered through the SDS Two-Wire Path |
| Installation Environment | Suitable for Outdoor and Underground Field Installation |
| Typical Valve Application | Compatible 3-Way Hydraulic Control Valves |
Features
- 3-way latching coil with integrated decoder technology
- Designed for direct connection to compatible Signal SDS two-wire irrigation systems
- Eliminates the need for a separate external decoder or valve interface
- Bi-directional communication provides regular valve status updates to the controller
- Reports operational information approximately every three seconds
- Supports real-time diagnostics of valve status, field wiring, and communication condition
- Dual red and green LED status indicators provide immediate visual feedback in the field
- Special diffuser lens improves LED visibility from a standing position and in daylight conditions
- Rugged S402 base provides a durable valve connection for demanding field environments
- Industry-standard fitting allows use with a range of compatible hydraulic control valves
- 10 bar pressure rating supports professional landscape and agricultural irrigation applications
- Powered directly through the SDS two-wire path, eliminating the need for a separate local power supply
- Suitable for valve boxes, outdoor installations, and underground irrigation environments
- Designed for reliable operation in challenging water-quality and field conditions