Laurel-electronics LTA DPM SERIES ANALOG INPUT Manual de usuario descargar pdf (Pagina 18)

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10. AC RMS SIGNAL CONDITIONER BOARD JUMPER SETTINGS

Five voltage and four current ranges are jumper selectable. These also have to be selected in

Instrument Setup software.

To minimize noise pickup, the input signal wiring should utilize a shielded twisted pair, and the

shield should be connected to signal low at the RMS board, as illustrated below. If signal low is

close to earth ground, such as within 2V, signal low can further be connected to earth ground.

Signal Source

RMS

Board

Sig High

Sig Low

Earth Ground

Shield around twisted pair

Shielding for AC noise reduction

Voltage Ranges Jumpers

200.00 mV

2.0000 V

20.000 V

200.00 V

600.00 V

c, g, h

c, i

c, k

c, m

Current Ranges Jumpers

2.0000 mA

20.000 mA

200.00 mA

5.000 A

l, k

b, m

a, m

c, d, e, m

Signal Coupling

Jumpers

AC + DC

AC only

none

f e d

b a

The flexible noise shield may be removed for

jumper setting, but must then be reinstalled.

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Laurel-electronics LTA DPM SERIES ANALOG INPUT Manual de usuario Pagina 18

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