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Pt100, Pump, Operating manual 1. intended use – JULABO SC 10000w Professional Series Recirculating Coolers User Manual

Page 5: Rs232

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Recirculating Cooler

5

Operating manual

1. Intended

use

JULABO recirculating coolers have been designed to control the temperature of specific fluids in a
bath tank. The units feature pump connections for temperature control of external systems (loop
circuit).

JULABO recirculating coolers are not suitable for direct temperature control of foods,
semi-luxury foods and tobacco, or pharmaceutical and medical products. Direct
temperature control means unprotected contact of the object with the bath medium (bath
fluid).

1.1. Description

1x10

ICC

TCF

ATC

3

RS232

Pt100

PUMP

SMART

The recirculating coolers are operated via the splash-proof keypad. The
implemented microprocessor technology allows to set and to store different values
that can be indicated on the VFD COMFORT-DISPLAY. Three menu keys facilitate
adjusting setpoints, warning and safety functions and menu functions.

The integrated programmer allows storing and running temperature and time-
dependent processes.

“ICC - Intelligent Cascade Control“ represents the supreme solution temperature
control. ICC overs perfect temperature control with self-optimizing PID control
parameters.

The TCF - Temperature Control Features allow the user to have access to all
important temperature control parameters. This means: Full control on the control
mode and the chance to manually adjust or adapt control to the specific application.

Absolute Temperature Calibration (ATC3) provides a high temperature stability in
the bath. With the 3-point calibration an offset is adjusted at three temperatures to
ensure an accurate temperature pattern at the selected spot in the bath over the
full temperature range.

Electrical connections:
The serial interface, switchable from RS232 to RS485, allows modern process
technology without additional interface.
Connection for Pt100 external sensor for external temperature measurement and
control.
The electronic module (option) provides 3 further analog connections (alarm input,
standby input, recorder output, programmer input).

The excess temperature protection conforming to IEC 61010-2-010 is a safety
installation independent from the control circuit. This protection can be indicated
and set on the VFD COMFORT-DISPLAY.

The early warning system for low level signals that bath fluid needs to be refilled
before the low level protection conforming to IEC 61010-2-010 causes a complete
shutdown of the main functional elements.

Intelligent pump system: The pump capacity (electronically adjustable via the motor
speed) enables to adapt to varying conditions for internal and external temperature
applications.