<b>2. SC202 SPECIFICATIONS</b>. YOKOGAWA EXA SC202S, EXA SC202G, SC202G (S)

3-3 Installation and wiring

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3-2. Preparation

Refer to figure 3-4. The power/output connections and the sensor connections should be made in accordance with the diagram on page 3-6. The terminals are of a plug in style for ease of mounting.

To open the EXA 202 for wiring:

1. Loosen the four frontplate screws and remove the cover.

2. The terminal strip is now visible.

3. Connect the power supply. Use the gland on the left for this cable.

4. Connect the sensor input, using the gland on the right (see fig. 3-5). Switch on the power. Commission the instrument as required or use the default settings.

5. Replace the cover and secure frontplate with the four screws.

6. Connect the grounding terminals to protective earth.

7. The optional hose connection is used to guide the cables coming from an immersion fitting through a

protective plastic tubing to the transmitter.

3-2-1. Cables, terminals and glands

The SC202 is equipped with terminals suitable for the connection of finished cables in the size range: 0.13 to 2.5 mm (26 to 14 AWG). The glands will form a tight seal on cables with an outside diameter in the range of 7 to 12 mm (9/32 to 15/32 inches).

SENSOR

CABLE GLAND

POWER/OUTPUT

CABLE GLAND

GROUNDING TERMINAL

Figure 3-5. Glands to be used for cabling

IM 12D7B3-E-E