4-20 Ma Loop Dc Configuration - Honeywell IAQPoint2 User Manual

Wiring Details
Electrical Wiring

4-20 mA Loop DC Configuration

The transmitter supplies the loop current. The maximum impedance
supported by the loop is 450 ohms.
Figure 10: 4-20mA DC Configuration Diagram
CAUTION
24
90DM4
V-
+
- +
24 Vdc Power
Supply
DO NOT REVERSE polarization. Considerable
damage may occur if polarization is not respected.
90DM4 User Manual
Honeywell
90DM4
- + - +
DDC System
- + -
511105
2/07