User manual

4 Commissioning the instrument

4.1 Displays and controls

h 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)”.

LC display 3-digit 9-segment display, 6 mm high, and symbols

for the temperature unit

LED K1 LED K1 lights up when the relay is energized.

LED K1 goes out when the relay is de-energized.

Keys programming

increase value

select operational status at enabling level

decrease value

select operational status at enabling level

Setup

interface

The instrument is linked to a PC via a PC interface

with TTL/RS232 converter and adapter (3-pole pins).