Figure 2-7: Typical wiring for four-wire controllers
A. Controller
B. First detector
C. Second detector
D. Last detector
E. Power supply
F. Alarm loop
G. End of line
Figure 2-8: Non-isolated sink (three wires)
A. Detector
B. Controller
C. Input power: 18 to 32 Vdc
D. Return
E. 0-20 mA meter
Reference Manual
Installation
00809-1400-4975
February 2022
Rosemount 975
17
Содержание Rosemount 975 Series
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