Wiring Gmw93R/Ra; Wiring Gmw93; Figure 13 Wiring Gmw93R/Ra; Figure 14 Alternate Wiring For Gmw93R/Ra - Vaisala CARBOCAP GMW90 Series User Manual

Chapter 3 ________________________________________________________________ Installation
VAISALA ________________________________________________________________________ 27

Wiring GMW93R/RA

Recommended wiring for long cables:
GND RH+ T+ CO +
2
V
V
V
R = 10 kΩ min.
L
Figure 13 Wiring GMW93R/RA
-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 +
2
V
V
V
R = 10 kΩ min.
L
Figure 14 Alternate Wiring for GMW93R/RA

Wiring GMW93

GMW93 is wired in the same way as GMW93R/RA, except for the
humidity output that is not present:
GND T+ CO +
2
V
V
R = 10 kΩ min.
L
Figure 15 Wiring GMW93
-Vs +Vs
Power supply
18 ... 35 VDC
or 24 VAC ±20%
-Vs +Vs
Power supply
18 ... 35 VDC
or 24 VAC ±20%
-Vs +Vs
Power supply
18 ... 35 VDC
or 24 VAC ±20%
1402-032
1402-031
1402-030