Ametek XHR 1000 Watt Series Manuel d'utilisateur télécharger pdf (Page 37)

Installation

Functional Tests

The functional test procedures include power-on and front panel function checks as

well as voltage and current mode operation checks.

Equipment

Required

• Digital voltmeter (DVM) rated better than 0.5% accuracy.

• DC shunt 1 mV/A (±0.25%) with connecting wire. The recommended current

ratings for the DC shunt and the wire must be at least 10% more than the output

current of the power supply.

Power-on

Check

1. Ensure that the AC power switch is in the OFF position.

2. Ensure that the output sense lines are connected in the default configuration. On

low voltage models, local sense jumpers connect terminal J2-2 on the J2

connector to the positive bus bar, and terminal J2-1 to the negative bus bar. On

high-voltage models, terminal J2-2 connects to positive sense (+SNS) and

terminal J2-1 to return sense (–SNS) on the wire clamp connector.

3. Turn the voltage and current controls fully counter-clockwise.

4. Connect the unit to an AC outlet.

5. Turn the front panel power switch to ON.

After a short, power-on delay, the front panel digital meters light up. Both voltmeter

and ammeter displays read zero.

Voltage Mode

Operation

Check

1. Ensure that both the voltage and current controls on the front panel are turned

fully counter-clockwise.

2. Connect the DVM to the output terminals on the rear panel, observing correct

polarity.

3. Turn the current control 1/2-turn clockwise.

4. Slowly turn the voltage control clockwise and observe both the front panel

voltmeter and the DVM. The voltage mode LED will turn on.

5. Compare the DVM reading with the front panel voltmeter reading to verify the

accuracy of the internal voltmeter. The minimum control range is from zero to

the maximum rated output for the particular power supply model.

6. Turn the front panel power switch to OFF.

1 2 ... 32 33 34 35 36 37 38 39 40 41 42 ... 81 82

Pas de commentaire

Ametek XHR 1000 Watt Series Manuel d'utilisateur Page 37