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5 startup of the device, 1 display and control elements, 2 setting the display after device is switched on – JUMO 14597 safetyM STB/STW Ex - Safety Temperature Limiter and Safety Temperature Monitor Operating Manual User Manual

Page 29: Startup of the device, Display and control elements, Setting the display after device is switched on, 5startup of the device

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5 Startup of the device

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2013-04-01

5

Startup of the device

5.1

Display and control elements

h

When the voltage supply is set up, a testing routine starts during which all LEDs blink and the backlit display shows white
pixels for 2 s and black pixels for 2 s.

After the testing routine is complete the device shows a main measured value (factory set).

v

If an alarm or error message appears, refer to Chapter 11 "Alarm messages".

5.2

Setting the display after device is switched on

v

Chapter 8.6.4 "Normal display"

The main measured value appears on the screen in German (this is factory set). The example shows a screen layout in which
the maximum value of a safety temperature limiter of 70 °C with a pre-alarm of 60 °C is monitored.

H

If the main measured value for "Power ON" lies within the hysteresis then the pre-alarm and alarm relay outputs are
set to inactive.

(1) Switching behavior

(2) Device function

(3) Binary input

(7) Main measured value

(6) Pre-alarm

(4) Temperature unit

(5) Limit value