Control Unit MDC
VTK-TR-BA-072e-1 - User Manual MDS 358X Series
With “Heater” you can reach the submenu for the heater settings (see paragraph 4.5.3.1,
page 31).
4.5.3.1 Submenu Cooler
This submenu has three menu items.
CAUTION
A
void uncontrolled compressed air release
An uncontrolled release of compressed air can cause damages and injuries. Therefore, your
controlling machine needs to have a stopcock with air vent. Additionally, your XY-machine needs
to follow the directives for working with compressed air.
To reach a certain target temperature takes time. This time is influenced by many different
circumstances, e.g. the outer temperatures.
Fig. 10: Submenu “Cooler”
All relevant functions of the cooling system can be set in this submenu. With “Cooler Temp.”, you
can set the temperature with an accuracy of 1 °C. With “Cooler ON/OFF”, you can switch the
cooling valve ON or OFF. “Cooler Offset” allows you to set a cooler offset in percent (see
chapter 7.14.2, page 81). This cooler offset provides an offset value for the flow control valve,
which is independent from the regulation system. The value is given as a percentage value.
In case the cooler is turned ON, if the actuator temperature is more than 10 °C above the target
temperature, the systems starts a more effective cooling. During this fast cooling phase, the
green Cooling LED flashes. Once the actuator temperature falls within 10 °C above the target
temperature, the green Cooling LED no longer flashes, but is ON. For exact dispensing results, the
actuator temperature should stay below 80 °C. If the Error 502 appears (see paragraph 11.2,
page 142), dispensing is only again possible after the actuator temperature falls below 80 °C.
To check information about the cooler (e.g. status, temperatures) via RS-232C interface, send the
command “COOLER:?” (for details see paragraph 8.1.2.2, page 88).
4.5.3.2 Submenu Heater
This submenu has two menu items.
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