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Flow Cert Second Edition.pdf - Pulsar Process Measurement

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Operation<br />

P831 mA 1 Mode<br />

This parameter determines how the mA Output relates to what is measured.<br />

By default it operates exactly the same as the display (P100), but it can be<br />

set to operate as follows:<br />

Option<br />

Description<br />

0 = Default mA output relative to Mode P100<br />

1 = Distance mA output relative to distance.<br />

2 = Level mA output relative to level.<br />

3 = Space mA output is relative to space.<br />

4 = OCM Head mA output is relative to OCM head.<br />

5 = OCM Flow mA output is relative to OCM flow.<br />

6 = Average Flow mA output is relative to average flow<br />

Setpoint<br />

By default the mA Output will represent the empty (0 or 4mA dependant<br />

on (P830) mA Range) and 100% of the operational span (20mA), but you<br />

may wish to have the output represent a section of the operational span. For<br />

example, the application has an operational span of 6 metres but output is to<br />

represent empty (0 or 4mA dependant on (P830) mA Range) to a level of<br />

5 metres (20mA). If so P834 (Low Level) should be set to 0.00 metres and<br />

P835 (High Level) should be set to 5 metres.<br />

P834 mA 1 Low Level<br />

This parameter sets the level, distance or space, depending on the selected<br />

mA Out Mode (P831) at which the low mA output will occur (0 or 4mA<br />

dependant on (P830) mA Range)<br />

Default = 0.000m<br />

P835 mA 1 High Level<br />

This parameter sets the level, distance or space, depending on the selected<br />

mA Out Mode (P831) at which the high mA output will occur (20mA).<br />

Default = 6.000m<br />

Page 129

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