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4� COMMISSIONING THE INSTRUMENT
4�1 Displays and controls
LC display
LED K1
Keys
Setup
interface
* Connect supply voltage – all segments light up twice as a test (segment test).
When everything has been connected up correctly on the instrument, the present process value will be shown. If an
alarm message appears, see Chapter 7 "Alarm messages".
The relay operates according to the controller type that was set, see Chapter 4.2 "Setting the instrument functions
(parameter level)".
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3-digit 9-segment display, 6 mm high, and
symbols for the temperature unit
LED K1 lights up when the relay is energized.
LED K1 goes out when the relay is de-energized.
Programming
Increase value
select operational status at enabling level
Decrease value
select operational status at enabling level
The instrument is linked to a PC via a PC
interface with TTL/RS232 converter and
adapter (3-pole pins).
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