Description of the controller
Page 8 RES-415 Version 1
the system components, in other words the heatsealing band, the impulse transformer, the wiring, the timing sig-
nals and the controller itself, are compatible with one another.
4 Description of the controller
The microprocessor technology endows the RESISTRON
®
temperature controller RES-415 with previously unat-
tainable capabilities:
• Very simple operation thanks to AUTOCAL, the automatic zero calibration function.
• Good dynamic response of the control system thanks to AUTOTUNE, which adapts automatically to the con-
trolled system.
• High precision thanks to further improved control accuracy and linearization of the heatsealing band character-
istic.
• High flexibility: The AUTORANGE function (as of software revision 100) covers a secondary voltage range from
0.4V to 120V and a current range from 30A to 500A.
• Automatic adjustment to the line frequency in the range from 47Hz to 63Hz.
• Increased protection against dangerous conditions, such as overheating of the heatsealing band.
The process data is represented on an LC display with 4 lines and 20 characters. Devices with a VF display are
available as an option.
The real heatsealing band temperature is visualized on the display both as a digital number in °C and in the form
of a dynamic bar.
The RESISTRON
®
temperature controller RES-415 also features an integrated fault diagnosis function, which
tests both the external system (heatsealing band, wiring etc.) and the internal electronics and outputs a selective
error message in case of a fault.
To increase operational safety and interference immunity, all 24VDC logic signals are electrically isolated from the
controller and the heating circuit.
We will be pleased to
contribute our many
years of experience
towards optimizing
your
heatsealing system.
+
_
Set point
Indicators
bus interface
RESISTRON controller
Heatsealing band R = f (T)
Current
transformer
Impulse transformer
U
R
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