Honeywell touchpoint Pro - Page 58

MAN0923_Issue 3_04/15 Touchpoint Pro
Operating Instructions
58
4. Electrical Installation
+V
3 Wire Detector
Touchpoint Pro
+24 Vdc
4-20 mA
SIG
-V
101 Ω
0 Vdc
Figure 4.10 Three wire device
+
+V
2 Wire Detector Touchpoint Pro
+24 Vdc
4-20 mA
SIG
-V
101 Ω
0 Vdc
Figure 4.11 Two wire loop powered device