Omega DP119-RTD Instrukcja Użytkownika Pobierz pdf (Strona 28)

4.2 CALIBRATION PROCEDURE

1. Remove the front lens. Connect power to the meter,

observing proper wiring procedures.

2. Connect the precision resistance source to the P3

connector observing proper wiring configuration.

For 3Ðwire connections, use pins 1, 2, 3, and 4. Refer

to Figures 4-1 through 4-3.

3. Apply resistance input as indicated in Table 4-1.

4. Adjust either the ZERO or SPAN potentiometer as

shown in Figure 4-4.

5. After adjusting the post, go back and verify both

temperature readings. Repeat step 4 as required.

Refer to Table 3-1 and Table 3-2 for internal jumper

settings.

Figure 4-1. 2-Wire Configuration

Figure 4-2. 3-Wire Configuration

BLACK

NOT USED

RED

BLACK

RED

PRECISION

RESISTANCE

SOURCE

+ Excitation

Signal Hi

Signal Lo

- Excitation

BLACK

JUMPER WIRE

(24 AWG)

RED

BLACK

RED

PRECISION

RESISTANCE

SOURCE

+ Excitation

Signal Hi

Signal Lo

- Excitation

Note

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