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Vanguard EZCT-2000C Plus User Manual

Page 108

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EZCT-2000C USER’S MANUAL

REV 1

104

5.2

Verifying the EZCT-2000C’s V

x

Sense Circuit Using an External Meter

The excitation voltage (V

x

) sensed by the EZCT-2000C can be verified using an external RMS volt

meter. Follow the steps below to verify the EZCT-2000C’s V

x

sense circuit:

a. Connect the X cables to an RMS volt meter as shown in Figure 26.

b. Select the EZCT-2000C’s Diagnostics mode (see section 5.1).

c. Press the

[]

key to raise the V

x

voltage.

d. Verify the V

x

voltage displayed on the EZCT-2000C LCD screen against the value

displayed on the external volt meter.

e. Press the

[STOP]

key to end the test.

Figure 26. EZCT-2000C V

x

Verification Test Connections