GE Valve Software Tools MN-Valvue-FF-IOM Service Manual download pdf (Page 155)

139

Signature Selection Frame

Diagnostic Services

❑ High Resolution Actuator Signature: High resolution static characteristic of the

control valve.

❑ Step Response Test: Step response characteristic of the control valve system.

❑ Positioner Signature: Static characteristic of the control valve system

Signature Selection Frame

You can select Measure All or any combination of signatures set in either execution or

data display (Figure 118). When selecting Measure All, FVP performs signature

measurement in the following order:

1. Actuator Signature

2. Extended Actuator Signature

3. Step Response Test (single step)

4. Positioner Signature

Figure 118 Positioner SIgnature Graph

Measure All does not support High Resolution and only support Single Step Response

Test. For non-Measure All selection (any combination of signatures set), FVP can

execute more than one command. It supports Multiple Step Response Test and High

Resolution Actuator Signature:

❑ Selecting Go (Figure 119) starts the measuring signature. Refer to Signature

Measurement for details.

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GE Valve Software Tools MN-Valvue-FF-IOM Service Manual Page 155