Service Appendix C

Symptom

Check

Action

No output.

All displays and indicators are blank.

Is the AC power cord defective?

Is the AC input voltage within range?

Check continuity. Replace if necessary.

Check AC input voltage. Connect to appropriate voltage source.

Output is present momentarily, but shuts off quickly. Display indicates AC.

Does the AC source voltage sag when a load is applied?

Check AC input voltage. Connect to appropriate voltage source.

Output is present momentarily, but shuts off quickly. Display indicates OUP.

Is the power supply configured for remote sensing?

Check if the positive or negative load wire is loose.

Output voltage will not adjust. Front panel CC LED is on.

Is the power supply in constant current mode?

Check the current limit setting and load current.

Output voltage will not adjust. Front panel CV LED is on.

Is the output voltage being adjusted above the OVP setting or below the UVL setting?

Set the OVP or UVL so that they will not limit the output.

Output current will not adjust. Front panel CV LED is on.

Is the unit in constant voltage mode?

Check the current limit and voltage setting.

Large ripple present in output.

Is the power supply in remote sense?

Is the voltage drop on the load wire high?

Check load and sense wires connection for noise and impedance effects.

Minimize the drop on the load wires.

No output.

Over-voltage circuit has tripped.

Display indicates OUP.

 

Turn off the POWER switch. Check load connections. If analog programming is used, check if the OVP is set lower than the output.

No output.

Display indicates EΠA?

Check connector J1 ENABLE connection.

Front panel PROT indicator is blinking.

 

Also check SW1 switch setting.

 

Display indicates SO?

Check connector J1 Output Shut-Off

 

 

connection.

 

Display indicates O7P?

Check if air intake or exhaust is blocked.

 

 

Check if unit is installed next to heat-

 

 

generating equipment.

 

Display indicates OCP?

Check OCP setting and load current.

Poor load regulation.

Are sense wires properly connected?

Front panel CV LED is on.

 

Connect sense wires according to instructions in chapter 2.

Front panel controls are nonfunctional.

Is the power supply in Local Lockout mode?

Turn off the POWER switch and wait until

 

 

the display turns off. Turn on the POWER

 

 

switch and press the REM/LOC button.

 

 

 

Series N5700 User’s Guide

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Agilent Technologies N5700 manual Symptom Check, Does the AC source voltage sag when a load is applied?

N5700 specifications

Agilent Technologies, now part of Keysight Technologies, is renowned for its innovative solutions in electronic measurement and instrumentation. Among its impressive portfolio, the Agilent N5700 series of power supplies stands out, providing precision, reliability, and versatility for a range of applications in test and measurement.

The N5700 series features multiple models, each designed to meet the varying power requirements of test systems and electronic devices. One of its key characteristics is its adjustable output voltage and current, allowing users to set parameters according to specific test needs. With outputs ranging from 0 to 60 V and up to 6 A, the N5700 series caters to both low and high-power applications effectively.

A notable technology integrated into the N5700 series is its advanced measurement capabilities. The built-in voltmeter and ammeter enable real-time monitoring of output voltage and current, ensuring precise control over the power supplied to the device under test. This feature is particularly advantageous in troubleshooting and optimization scenarios, providing engineers with immediate feedback on performance.

The N5700 also embraces the latest in power supply control technology with its intuitive user interface. The front panel incorporates a clear display and simple navigation controls, allowing users to program settings easily and access functions without extensive training. Additionally, remote programming capabilities via GPIB, USB, or LAN facilitate integration into automated test setups, enhancing productivity and efficiency.

Thermal management is another hallmark of the N5700 series. Its design ensures effective heat dissipation, enabling reliable operation even under demanding conditions. This robustness is critical in environments where consistent performance is essential, such as in research laboratories and manufacturing facilities.

Furthermore, safety features are thoughtfully included in the N5700 series, such as overvoltage protection, overcurrent protection, and short-circuit protection. These elements assure users that their devices and test setups remain secure during testing, minimizing the risk of damage.

In summary, the Agilent N5700 series power supplies encapsulate the fusion of precision, advanced measurement technology, user-friendly design, thermal management, and robust safety features. This combination makes them an invaluable tool for engineers and researchers engaged in electronic testing and development across various industries. With its versatility and reliability, the N5700 series continues to play a pivotal role in advancing electronic measurement methodologies.