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| A choice of control systems is available
including controllers which simply heat up the furnace and hold at one
temperature indefinately and more complex programming systems. Access
to parameters is simple and easy to understand and is customised to
present only those parameters which need to be viewed or adjusted. |
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Carbolite
201 Controllers
The 201 is a three term PID microprocessor controller
with the facility of an adjustable single ramp rate to setpoint, either
up or down. It is a high precision instrument exclusive to Carbolite
and is jointly designed by Eurotherm and Carbolite.
The measured temperature is provided by large LED's located behind a
wipe clean membrane panel. The setpoint is displayed and adjusted by
pressing either the 'raise' or 'lower' button.
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Eurotherm 2416
CC
The Eurotherm 2416 CC is an advanced setpoint programming
temperature controller with eight segments, any of which can be a ramp,
set or dwell. It is housed in a compact 1/16 din size measuring 48mm
x 48mm high.
It provides precise control with the advanced PID control algorithm
giving stable 'staight-line' control of the process. Power feedback
is used to stabilise the output power and hence the controlled temperature
against supply voltage fluctuations. The controller continually corrects
for drift and this gives high stability and rapid response to process
changes.
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Eurotherm
2408 CP
The Eurotherm 2408 CP contains the same features as
the 2416 CC, but with 16 segments and is housed in a 1/8 din size measuring
48mm x 96mm high. The larger case allows for more options including
storage of up to 20 separate programmes.
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Overtemperature
Protection
An independent overtemperature protection system may
be justifiable to protect expensive heating elements or valuable furnace
contents. Where the Carbolite 201 controller is the main controller,
an overtemperature protection facility is integrated into the same display
panel and incorporates an independent power supply and control circuit.
When required with other main controllers, a separate Eurotherm 2132
digital controller is fitted. This unit is housed in a 1/32 din size
measuring 24mm x 48mm wide. The additional control unit uses a separate
thermocouple and operates a contactor to shut down the furnace in the
event of the set temperature being exceeded. |
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A PID controller with a large display mounted behind a smooth wipe-clean membrane. It has a single ramp to setpoint facility, and incorporates a process timer function. RS232 comms is available as an option at time of order. Made by Eurotherm exclusively for Carbolite. |
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An 8 segment-pair programmer, in which each segment pair is a ramp followed by a dwell (the dwell can be of zero time).
RS232 or RS485 comms may be fitted as an option. This programmer is specially made by Eurotherm for Carbolite. |
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These versions are like the 3508P1, but have 10 programs with a total of 50* available segments, and 25 programs with 100*, respectively. For example a single program of 50 segments could be created. The programs may be linked.
* the numbers of segments in the multi-program models is to be increased at some time in 2005. |
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| Communications
Software
IPSC communicates with one programmer at a time and
allows data logging. It also shows a graph of furnace temperature and
setpoint on the computer screen and allows storage of programs on disk,
and easy editing and error free downloading to the furnace programmer.
Other Options
Additional control systems can be supplied and they
include cascade control, multi-segment programmers and process timers.
The Carbolite 201 controller is also available with an integral process
timer. When the working setpoint is reached, a timed period starts and
can either end with an audible alarm or be set to switch off the power
at the end of the time period.
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| Standard
Electrical Supply
When ordering, always quote
the model, controller and the preferred type of electrical supply
from the list. Please indicate the frequency (50 or 60 Hertz)
and number of phases. For 3-phase supplies (where applicable),
please state whether a neurtral is available (If so, please
quote both the phase-to-phase and the phase-to-neutral voltages,
eg 380.220V) Typical single phase voltages are 100, 110, 200,
208, 220, 240 and 254V. 3-phase voltages without neutral are
typically 220, 380, 415 and 440V. 3-phase voltages with neutral
are typically 220/127, 380/220, 415/240 and 440/254V. |
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