K-WANG
The DeltaV™ SQ controllers provides communication and control functions and integrate field devices and the other nodes on the control network. The SX and SQ controllers provide a choice to match the controller capacity to the requirements of the process. They also provide new ease of use features that eliminate mounting screws and accelerate cabinet assembly.
Emerson SE3008 DeltaVSQ Controller
Benefits
Scalable controllers. The SQ controller complements the
SX controller by providing a smaller controller platform at
a reduced price for those small to moderate applications:
Speed. The SQ controller supports all the features you’ve
come to expect from the DeltaV system: self-addressing,
automatic I/O detection. All these features are designed
to make your projects execute faster — just plug and play!
Redundant Architecture. The SQ controller supports
1:1 redundancy for increased availability. Redundant SQ
controllers can be upgraded to SX controllers online — robust!
Late Changes. You can easily upgrade an SQ controller
to an SX to handle project scope changes late in the
project. Simply replace the SQ with the SX and all existing
configuration, documentation and hardware design remain
the same — forgiving
Quick Assembly. The S-series hardware has been designed for
speed of project execution. Carriers snap to standard DIN rails
and controllers and S-series I/O snap into position without the
use of retaining screws.
Easy to Use. Controllers are also easy to configure.
Simply connect the SQ to the DeltaV network and Auto-Sense
it from DeltaV Explorer. Add the controller and all its I/O
interfaces to the system database and all components are
automatically addressed and communicating. There are no
dip switches or jumpers to set.
Control strategies are developed using IEC-61131
programming techniques: Function Blocks,
Sequential Function Charts and Structured Text.
Automatic diagnostic and event reporting with
time stamps applied in the controller.
Set control execution to match process dynamics
and controller scheduling adjusts automatically.
Reference any parameter by its module name,
regardless of its location in the system.
Synchronized system clock for consistent time
based event driven actions across the system.
Online expandable I/O carriers allow new cards to be added
online, with autosense capability, for modular system growth.
Hardware redundancy is automatically detected with zero
configuration effort.
Field Proven Architecture. The SQ controller is an evolution
of the DeltaV MQ controller. The new design delivers
installation and robustness enhancement while still using
the same processor and OS that has proven itself in the field.
All S-series I/O cards run the latest software enhancements
of corresponding M-series I/O cards and deliver the same field
proven, reliable operation.
Designed for Electronic Marshalling. The SQ controller
have highly distributable I/O capabilities with CHARMs based
Electronic Marshalling. Electronic Marshalling I/O can be
mounted anywhere, facilitating system design and expansion
while reducing overall system footprint over traditional
marshalled I/O Subsystems.
The SQ controller.
Advanced Controls.
In addition to traditional I/O cards, the local bus supports
fieldbus technologies, including Foundation fieldbus, Profibus DP,
DeviceNet and AS-i protocols. The I/O subsystem also supports
Serial interface cards as well as the Ethernet I/O interface.
These various I/O products provide a wide range of interfaces
to meet the needs of your control application.
The SQ controller also supports CHARMs and WirelessHART
I/O cards. The CHARM I/O Card (CIOC) connects via the
redundant Ethernet ports of the controller to provide a
highly distributed and flexible I/O solution called Electronic
Marshalling. Up to 16 CIOC’s can communicate to one
controller, each providing up to 96 individually configurable
signal types.
The capacity limits of the SQ controller may vary depending
on the particular application, amount of CHARM I/O Signals
and as well control performance requirements. Enhanced
memory handling and hardware alerts covering capacity and
memory, via indexes, got added to the diagnostic information’s
of the SQ controller.
The WirelessHART I/O card (WIOC) provides redundant
communication for up to 100 WirelessHART devices, providing
high availability and reliability of wireless data. Up to 16
WirelessHART I/O cards can communicate to one controller,
each providing up to 100 signals.
Control modules are automatically scheduled by the controller,
based on their assigned scan rates. This allows each control
function to be optimized based on the process dynamics.
Modules scan times can be set as fast as 100 ms, and as slow
as 60 seconds. The number of control modules that can be
assigned to a controller depends on the complexity and scan
rate of each module, and the available CPU and memory.
The SQ controller should be used for small to medium
applications with a maximum of 750 individual I/O signals.
The SQ controller is designed for harsh environments and
is rated for G3 corrosive environments, with an operating
temperature range from -40 to 70°C. It is i
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