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Meters, Basic operations, Pm designer operation manual – B&B Electronics WOP-2121V-N4AE - Manual User Manual

Page 284

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8

PM Designer Operation Manual

8-8

8.2. Meters

8.2.1. Basic Operations

A meter shows the value of a monitored variable by rotating its needle to the appropriate place. When the value of the
variable increases or decreases the rotation angle of the needle increases or decreases accordingly. A meter can have an
arc/circle scale and the scale enables you to measure the rotation angle of the needle and read the current value for the
monitored variable. A meter can be configured to perform one of the following swing types:

Span and Origin

360° & 90°

360° & 0°

360° & 270°

360° & 180°

Example

Span and Origin

270° & 45°

270° & 315°

270° & 225°

270° & 135°

Example

Span and Origin

180° & 90°

180° & 0°

180° & 270°

180° & 180°

Example

Span and Origin

90° & 90°

90° & 0°

90° & 270°

90° & 180°

Example

Span and Origin

90° & 45°

90° & 315°

90° & 225°

90° & 135°

Example

CHAPTER 8 GRAPHS AND CHARTS