Emerson Rosemount 8750W Reference Manual page 61

Figure 6-9:
A.
B.
Figure 6-10:
A.
B.
Note
Total loop impedance must be sufficient to keep loop current below maximum rating. A resistor can
be added in the loop to raise impedance.
For discrete output control, connect the power source and control relay to the transmitter.
To connect external power for discrete output control, complete the following steps:
Reference manual
Connect discrete output to relay or control system input (field mount)
Control relay or input
5–28 VDC power supply
Connect discrete output to relay or control system input (wall mount)
A
9
10
-
+
B
Control relay or input
5–28 VDC power supply
A
B
Advanced installation details
57