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Configuration - Knick

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HOLD Mode<br />

The HOLD mode is a safety mode during configuration, calibration,<br />

and servicing. Output current is frozen (LAST) or set to a fixed value<br />

(FIX).<br />

The HOLD mode is indicated by orange display backlighting.<br />

HOLD mode, display icon:<br />

Output signal response<br />

• LAST: The output current is frozen at its last value. Recommended<br />

for short configuration procedures. The process should not change<br />

decisively during configuration. Changes are not noticed with this<br />

setting!<br />

• FIX: The output current is set to a value that is noticeably different<br />

from the process value to signal the control system that the analyzer<br />

is being worked at.<br />

Output signal during HOLD:<br />

Output current<br />

[mA]<br />

21<br />

Output signal for HOLD<br />

FIX setting = 21.0 mA<br />

Output signal for HOLD<br />

LAST setting<br />

4<br />

HOLD active<br />

HOLD active<br />

Terminating the HOLD mode<br />

The HOLD mode is ended by switching to measuring mode (hold<br />

meas key depressed). The display reads “Good Bye“, after that, the<br />

HOLD mode is exited.<br />

When the calibration mode is exited, a confirmation prompt ensures<br />

that the installation is ready for operation (e.g.: sensor reinstalled,<br />

located in process).<br />

28

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