Emerson Rosemount OCX8800A Manual page 82

Using HART communications
®
December 2022
5.2.1 Method 1: For load resistance ≥ 250 ohms
Figure 5-1: Signal Line connections, ≥ 250 Ohms Load Resistance
A. 4-20 mA terminal block in electronics housing
B. O
C. Load resistance ≥ 250 Ω
D. Analog output device
E. Lead set
F. Field Communicator
G. Field Communicator rear panel
H. Loop connectors
WARNING
Explosions can result in death or serious injury.
Do not make connections to the Field Communicator's serial port, 4-20 mA signal
lines, or NiCad recharger jack in an explosive atmosphere.
Procedure
1. Using the supplied lead set, connect the Field Communicator in parallel to
2. Use any wiring termination points in the analog output 4-20 mA signal line.
82
4-20 mA signal line
2
the transmitter.
Manual
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