Installation and wiring, Figure 34, Third analog output selection – Vaisala HMT330 User Manual

Page 57

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Chapter 3 ________________________________________________________________ Installation

VAISALA ________________________________________________________________________ 55

Installation and Wiring

1.

Disconnect the power. In case the analog output module is installed
in the factory, continue with the step 4.

2.

Open the transmitter cover and fasten the analog output module to
the position for MODULE 2 with four screws. Refer to Figure 2 on
page 22.

3.

Connect the flat cable between the analog output module and the
motherboard's connector for MODULE 2.

4.

Take out the protective plug from the cable gland and thread the
wires.

5.

Connect the wires to the screw terminals marked with Ch+ and
Ch- .

6.

Select the current/voltage output by setting ON either of the
switches 1 or 2.

7.

Select the range by setting ON one of the switches 3 ... 7.

NOTE

Only one of the switches 1 ... 2 can be ON at a time.

Only one of the switches 3 ... 7 can be ON at a time.

0508-029

Figure 34

Third Analog Output Selection

8.

Connect the power.

9.

Select the quantity and scale the channel via the serial line or
display/keypad, see section Analog Output Quantities on page 121.
For testing the analog output, see section Analog Output Tests on
page 123. For fault indication setting, see section Analog Output
Fault Indication Setting o
n page 124.

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