Emerson DeltaV SD Plus Controller

Emerson DeltaV SD Plus Controller

Basic Overview

The DeltaV SD Plus controller is a member of the S series controllers launched by Emerson Process Management. Its core function is to achieve communication and control between field devices and other nodes in the control network, while integrating the DeltaV I/O subsystem to simplify and speed up installation. It is compatible with the control strategies and configurations created by early DeltaV systems. On the basis of inheriting all the functions of M-series controllers, it adds support for CHARM based digital Marshalling, and the control language execution method can refer to the "Control Software" product data sheet. It is positioned as a small and medium-sized application scenario, complementary to the SX controller, and matches the control requirements of different processes through scalable design, while possessing high reliability and ease of use.

Core advantages

（1） Strong scalability and adaptability to flexible needs

Complementary hierarchical controllers: As a small and medium-sized controller of the S series, it is paired with the SX controller to form a "hierarchical selection" - SD Plus is suitable for small and medium-sized applications with a smaller platform size and lower cost; If there is a need for expansion in the later stages of the project (such as scope changes), the redundant SD Plus controller can be upgraded to an SX controller online, and the original configuration, documentation, and hardware design can be fully retained without the need for redevelopment.

Redundant architecture support: Supports 1:1 redundant configuration, improves system availability by adding backup controllers and power supplies, ensures stable and reliable redundant switching, and meets the high requirements for continuity in industrial scenarios.

I/O expansion capability: The local bus can connect up to 8 I/O carriers (8 cards per carrier), totaling 64 traditional I/O cards; Simultaneously supporting an additional 16 remote I/O units (traditional card type I/O); It is also compatible with fieldbus technologies such as Foundation fieldbus, Profibus DP, DeviceNet, AS-i, as well as serial interface cards and Ethernet I/O interfaces, to meet diverse device access needs.

（2） Quick assembly and ease of use

Tool free quick installation: The S series hardware adopts a brand new design, and the carrier can be snap mounted on a standard DIN rail. The controller and S series I/O can be inserted into place without fixing screws, greatly reducing cabinet assembly time and improving project execution efficiency.

Plug and play configuration: After connecting to the DeltaV network, the controller can be identified through the "Auto Sense" function of the DeltaV Explorer. The system will automatically add the controller and all its I/O interfaces to the database, and complete address allocation and communication configuration without setting DIP switches or jumpers, reducing the operational threshold.

Convenient programming and management: Developed control strategies using IEC-61131 standard programming techniques (functional blocks, sequential functional diagrams, structured text); The controller automatically generates diagnostic and event reports with timestamps for easy fault tracing; The control execution rate can be set according to the dynamic characteristics of the process (100ms~60s), and the controller will automatically adjust the scheduling; Support cross system referencing of any parameter by module name, without the need to pay attention to physical location; System clock synchronization ensures consistency of time driven events across the entire system.

（3） Mature and reliable architecture with digital grouping support

Stability verified on site: The S series controller is based on the DeltaV M series hardware evolution, using processors and operating systems verified on site, optimizing only installation convenience and robustness; All S-series I/O cards run the latest software enhanced version of M-series I/O cards, maintaining the same high reliability performance and reducing technical iteration risks.

Electronic Marshalling Design: Supports distributed I/O solutions based on CHARM - CHARM I/O cards (CIOCs) are connected through redundant Ethernet ports of the controller. A single controller can access up to 16 CIOCs, each providing 96 individually configurable signal types that can be flexibly installed in any position. Compared to traditional Marshalling I/O subsystems, it significantly reduces system footprint, simplifies system design and expansion.

Wireless and New I/O Support: Compatible with Wireless HART I/O cards, a single card can achieve redundant communication for up to 100 Wireless HART devices, ensuring high availability of wireless data; A single controller can support up to 16 Wireless HART I/O cards, meeting industrial wireless requirements.

（4） Adapt to harsh environments and comply with regulations

Wide environmental adaptability: Rated for G3 corrosive environments, operating temperature range -40 ° C~70 ° C, protection level up to IP20 (NEMA 12), can be directly installed in remote locations near process equipment, or can be paired with CHARM I/O cards for traditional central grouping cabinets, suitable for various installation scenarios.