توضیحات
Introduction
The MQ Controller provides communication and control
between the field devices and the other nodes on the control
network. Control strategies and system configurations created
on earlier DeltaV™ systems can be used with this powerful
controller. The MQ Controller provides all the features and
functions of the MD Plus Controller, with the same amount
of memory.
The control languages executed in the controllers are described
in the Configuration Software Suite product data sheet.
Increases productivity
The MQ Controller is as quick as the MD Plus Controller and
provides the same configurable memory as the MD Plus
controller. The Ethernet ports are full duplex, 100MB/second
maximum throughput. The results are lower CPU utilization and
higher capacity for control strategies.
Self-addressing. The DeltaV controller is unique in its ability
to automatically identify itself to the DeltaV control network.
When the controller is powered up, it is automatically assigned
a unique address—no dip switches, no configuring—just plug
and play!
Self-locating. A controller’s physical location is easy to find.
LEDs on the face of the controller can be made to flash,
providing a strong visual clue.
Automatic I/O detection. The controller can identify all I/O
interface channels located on the subsystem. As soon as an
I/O interface is plugged in, the controller knows the general
characteristics of the field devices managed by that I/O
interface. This reduces the no value engineering associated
with configuration — easy!
Connect to Electronic Marshalling and Wireless I/O.
Starting in DeltaV v14.3, CHARMs and wireless devices
connected through CHARM I/O Cards (CIOC) and Wireless I/O
Cards (WIOC) can be assigned to the MQ controller. This makes
it easier than ever to add I/O to an existing controller
by simply adding a CIOC and/or WIOC to the DeltaV Area
Control Network.
Easy to use
Total control. The controller manages all control activities for
the I/O interface channels. It also manages all communication
functions for the communications network. Time stamping,
alarming, and trend objects are also managed within the
controller. The controller executes all control strategy with
execution speeds up to every 100 ms.
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