Vaisala HMW90 Serie Guide Rapide page 13

Wiring GMW93
Recommended wiring for long cables (GMW93R/RA):
GND RH+ T+ CO
V
V
V
= 10 kΩ min.
R
L
-Vs terminal is internally connected to GND terminal, so
you can also use the -Vs terminal as common ground.
Maximum cable resistance is 2.5 Ω (24V supply,
0 ... 10 V output):
GND RH+ T+ CO
V
V
= 10 kΩ min.
R
L
GMW93 is wired in the same way as GMW93R/RA,
except for the humidity output that is not present:
GND T+ CO
V
V
= 10 kΩ min.
R
L
+ -Vs +Vs
2
Power supply
18 ... 35 VDC
or 24 VAC ±20%
+ -Vs +Vs
2
Power supply
V
18 ... 35 VDC
or 24 VAC ±20%
+ -Vs +Vs
2
Power supply
18 ... 35 VDC
or 24 VAC ±20%
EN
11