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4 current limit, Operation – American Magnetics 05100PS-430-601 Integrated Power Supply System User Manual

Page 72

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54

Rev. 5

Operation

Setup Menu : Load

magnet, and specific magnet data has not been provided by the

customer, the Model 430 will ship with Magnet Current Rating set

at the default value of 80 A. Figure 3-11 shows the default Magnet

Current Rating as set within the 4Q06125PS power supply limits.

The Magnet Current Rating can be set by using either the numeric

keypad per section 3.3 on page 27 or the fine adjust knob

(section 3.4 on page 28). The Model 430 Programmer will beep once

and deny the change if the user attempts to set the Magnet Current

Rating below the present Target Field Setpoint

.

If a lower current limit is required for testing or other purposes, the

Current Limit (see section 3.10.2.4) can be set by the user to limit

the magnet current to values lower than the Magnet Current

Rating.

3.10.2.4

Current Limit

The current to the load will be limited by the lower of the two Model

430 current limits, the Magnet Current Rating

1

or Current Limit

setting.

1. Refer to section 3.10.2.3 on page 53.

Figure 3-11.

Magnet Current Rating Set Within Supply Range

+0.00 A — Current Limit (A)
+0.50 Vs

±50.000