Emerson Control Techniques Focus 3N, Руководство пользователя

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asic Test Setup – Light Bulb Test B
It is fairly easy to test Focus Drives on the bench. One does not have to use a motor to
verify basic operation. When working properly, the Focus basically creates a variable
voltage much like a light dimmer except the output is DC. The easiest way to check a
without a motor is to connect the Armature output to a resistive
e a 75 watt light bulb screwed into a light bulb socket base as
Basic Test Power Wiring
Focus on the bench
load. One could us
shown below.
Page 60
nd
est
g. Therefore before testing, one should record the settings before test so
at they could be reset back after the test.
In order to test the Focus, one would need to setup the input for 115 Vac operation a
for basic Armature Voltage feedback. The drive should also be set for the low
current settin
75 W
115VAC
Line Input
th