Description
A modular load starts with its mainframe. The Keysight 6051A load mainframe provides two slots and up to 600 W in total, and one GPIB address controls every installed module. Lost in HCM lists this obsolete unit for rental and sale.
Planning the two slots
The modules you choose decide how many fit. The mainframe takes up to two 60501B, 60502B or 60503B modules. Alternatively, it takes one 60504B or one 60507B. Because users install the modules themselves, a rack can change its voltage, current and power mix as projects change.
Specifications of the Keysight 6051A load mainframe
| Item | Value |
|---|---|
| Lifecycle | Obsolete; used inventory and parts review apply |
| Mainframe slots | 2 |
| Maximum total power | 600 W |
| Supported modules | 60501B, 60502B, 60503B, 60504B and 60507B |
| Remote control | One GPIB address for control and readback |
| Operating modes | Constant current, voltage and resistance, through the modules |
| Recommended replacement | N3301A |
One address, several loads
A single GPIB address controls and reads every installed module, so the load uses only one address on your bus. Built-in pulse generation also supports programmable dynamic loading. For example, the load can step between levels to mimic a changing demand. Protection includes overcurrent, overvoltage, overpower, overtemperature and reverse polarity. Plan the GPIB address in your software before delivery, so the first test runs without delay.
What teams use it for
- Maintenance of legacy automated test equipment.
- Multi-output power-supply verification.
- DC-DC converter and telecom power testing.
Migration and ordering
Keysight identifies the N3301A as the replacement mainframe. However, confirm the module, command, cable and rack changes before you plan a move. Until then, a rental of the Keysight 6051A load mainframe keeps an old line running. Legacy rental depends on verified mainframe and module inventory, functional testing and calibration status. A rental covers a line bring-up or an audit, while a purchase suits a rack that stays in service. So request a quote from Lost in HCM and list the modules you need. You can also browse DC electronic loads, see the Keysight website or contact SMK Vietnam.
6051A questions
How many modules fit in the mainframe?
Up to two 60501B, 60502B or 60503B modules, or one 60504B or 60507B.
What does the single GPIB address do?
It controls and reads back every installed module, so the whole load needs just one address.
What replaces the 6051A?
Keysight names the N3301A. Confirm module, command, cable and rack changes first.
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