Process Unit 73 LF - Knick
Process Unit 73 LF - Knick
Process Unit 73 LF - Knick
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9 Capabilities of the <strong>Process</strong> <strong>Unit</strong> <strong>73</strong> <strong>LF</strong><br />
Installation of the <strong>Process</strong> <strong>Unit</strong> <strong>73</strong> <strong>LF</strong> must be carried<br />
out only by specially trained personnel in accordance<br />
with this instruction manual and per applicable<br />
local and national codes.<br />
Prior to commissioning, a complete parameter setting<br />
procedure must be performed.<br />
Overview<br />
The <strong>Process</strong> <strong>Unit</strong> <strong>73</strong> <strong>LF</strong> provides a great variety of<br />
features and capabilities.<br />
This chapter describes<br />
<br />
<br />
<br />
the instrument’s measurement capabilities<br />
how to connect the instrument<br />
how to set the parameters<br />
Power Supply for the <strong>Process</strong><br />
<strong>Unit</strong> <strong>73</strong> <strong>LF</strong><br />
Read chapter 10 ”Information on Installation” before<br />
connecting the power supply!<br />
Check if your mains voltage corresponds to the<br />
ratings given on the instrument’s rating plate:<br />
<br />
230 Vac<br />
115 Vac (option 363)<br />
24 Vac/dc (option 298)<br />
For approx. 10 s after connection of power supply,<br />
the current outputs and contacts are frozen at the<br />
levels before power supply failure. This ensures<br />
that no invalid messages are activated after<br />
power-on.<br />
Capabilities 9–1
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