Dynalco LMD-120D Panel Meter Manual do Utilizador descarregar pdf

Installation and Calibration

LMD-120D Signal Powered Digital Indicator

The LMD-120D is powered from the 4–20 or 10–50 mA current that serves as the

signal into terminals F (+) and H (–).

Do not make any other power connections to this unit.

u This device can be connected as a simple current meter in any 4–20 or

10–50 mA current loop in series with transmitters, controllers, and other

4–20 or 10–50 mA monitors. Maximum loop burden is 2 V (100 W ) at 20 mA.

Calibration

1. With 4 mA input, adjust ZERO ADJUST for desired reading at 4 mA.

2. With 20 mA input, adjust SPAN ADJUST for desired reading at 20 mA.

3. Repeat steps 1 and 2. Recalibrate as needed.

® With 10–50 mA input, jumper terminals A and B.

Follow steps 1 to 3, replacing 4 mA with 10 mA, and 20 mA with 50 mA.

Note

u With switch settings less than 8, ZERO ADJUST permits any initial reading

from –1000 to +1000; SPAN ADJUST from 100 to 2000 counts.

u With switch settings at 8 and above, the zero is adjustable from

–10,000 to +10,000; the span is adjustable from 1,000 to 20,000 (fixed zero).

1 2

Calibration 1

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Página 1 - Calibration

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ROTARY SWITCH SETTINGSSETTING OPERATION0 10001 1.0002 10.004 100.08 100009 1.0000A 10.000C 100.00Inside view of rotaryswitch (enclosureomitted for cla

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Dynalco LMD-120D Panel Meter Manual do Utilizador

Consulte online ou descarregue Manual do Utilizador para Instrumentos de medida Dynalco LMD-120D Panel Meter. Dynalco LMD-120D Panel Meter User Manual Manual do Utilizador

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