Emerson Process Management CW_31 User Manual

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Product Data Document
July 10, 2007 - Page 1
CW_10 and CW_30 CPU Kits
Remote Automation Solutions
CW_10 CPU Kit
CW_30 CPU Kit
CW_35 CPU Kit
CW_31 CPU Kit
Introduced initially in 1988, the 3330, 3335 and
3310 have retained their status as the RTU of
choice by many loyal customers. However, with the
growing popularity of Bristol® ControlWave®, from
Emerson Process Management, the latest genera-
tion hybrid PLC/RTU products, customers have
expressed interest in an inexpensive migration path
to allow them to realize all of the benets of the
new ControlWave technology without replacing their
entire SCADA system.
The new CPU products, named CW_10, CW_30,
CW_35 and CW_31 (generically CW_XX), are
intended to offer a cost-effective upgrade path to the
ControlWave architecture for existing 33XX systems
by allowing you to maintain your investment in I/O,
wiring, cabinets and enclosures, communication
infrastructure and application program development.
The CW_XX CPUs are direct replacements for the
33XX CPUs. You can easily remove the existing
CPU and communication cards and replace them
with the new ControlWave architecture cards.
The CW_XX CPUs support all of the commonly
used analog, discrete and counter I/O cards, as
well as modems and radios currently installed in the
RTUs. Communication compatibility is maintained
through the same use of BSAP and Modbus proto-
cols as were used in the 33XX.
The ControlWave architecture offers several ad-
vantages over existing 3310/3330/3335s including
increased compatibility with industry standards such
as IEC 61131-3 programming, Ethernet, IP and FTP
communication, support for 56 bit encrypted User
Name/Password security sign-on and multiple user
access levels. It also offers much greater execution
speed, lower power consumption and a larger and
more exible memory model.
Faster performance allows more demanding
More memory allows larger applications and
data storage
Lower power consumption minimizes solar and
battery requirements
ControlWave Designer offers increased
programming exibility
Historical data is maintained on application
download for higher data integrity
CW_XX dual Ethernet option allows network
segmentation without expensive external
Enhanced security protection
Buffered communication ports enhance
throughput and allow multiple slave ports
150 MHz, ARM CPU
Real-time clock
Conforms to DPC3330, 3335 and RTU3310
chassis design
Supports most existing 33XX I/O cards
ControlWave Designer IEC 61131-3
ControlWave Designer ACOLL III function block
16MB of Flash storage memory