Vaisala HMDW110 - Manual (Page 21)

6. Plug in the screw terminal blocks,
close the cover, and tighten the
screws.
7. Secure the cable to the pole
using a zip tie, or on the wall
using cable clips. Allow some
cable to hang down from the
cable gland to prevent water from
entering the transmitter along the
cable.
Wiring HMDW110
You must always connect the humidity measurement current loop (HUM,
terminals 5 and 6) to power the transmitter. Connecting the temperature
measurement current loop (terminals 7 and 8) is optional.
Figure 8 HMDW110 Wiring
Terminals 1 ... 4 are for use with the RDP100 remote display
panel. For wiring instructions, see section Wiring HMDW110 with
RDP100 on page 21.
19
3 Installation