Vaisala MMT330 - Manual (Page 54)

User's Guide _______________________________________________________________________
54 ___________________________________________________________________ M210764EN-F
Installation and Wiring
1. Disconnect the power. In case the analog output module is installed
in the factory, continue with the step 4.
2. To attach the module, 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 21.
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 31 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 115.
For testing the analog output, see Section Analog Output Tests on
page 117. For fault indication setting, see section Analog Output
Fault Indication Setting on page 118.