Xantrex Technology XPD 120-4.5, XPD 60-9 manual Local Operation, Standard Operation, Introduction

Models: XPD 18-30 XPD 33-16 XPD 120-4.5 XPD 7.5-67 XPD 60-9

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Section 3. Local Operation

Introduction

Once you have installed the power supply, it is ready to operate in local control mode (that is, operation at the unit’s front panel).

See “Standard Operation” for a brief explanation of Constant Voltage and Constant Current Mode operation.

See “Using Over Voltage Protection (OVP)” on page 38, “Using the Shutdown Function” on page 39, and “Using Multiple Supplies” on page 40 for information on these topics.

See “User Diagnostics” on page 45, for troubleshooting information for the operator.

Turn to Section 4. Remote Operation for descriptions of remote programming options and remote monitoring of the supply.

Standard Operation

Operating

Modes and

Automatic

Crossover

This power supply has two basic operating modes: Constant Voltage Mode and

Current Mode, and two control modes: Local Control Mode (default setting) and Remote Programming Mode. Both operating modes are available regardless of which control mode is used.

The mode in which the power supply operates at any given time depends on the combination of:

output voltage setting VSET

output current limit setting ISET

resistance of the attached load RL

See Figure 3.1 for a graphical representation of the relationships between these variables.

Release A

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Xantrex Technology XPD 120-4.5 Local Operation, Standard Operation, Operating Modes and Automatic Crossover, Introduction