Hart-Protocol Connection - ABB Endura AZ series User Manual

Endura AZ series integral and remote transmitter
Combustion oxygen monitor

7.2 HART-Protocol Connection

Fig. 7.1 shows HART-Protocol connection details for transmitter installations.
Note.

Current output connection details are common for both remote and integral transmitters.

The HART-Protocol is also available optically via the IrDA interface on the front of the transmitter.
HART Connections at
Terminal Block – see
Section 4.8, page 21
for Remote systems
or Section 4.11, page
24 for Integral
systems
4 mA Current Output (Multidrop Connection)
4 to 20 mA Current Output (Single Connection)
250  Minimum Load
PC Connection
(USB or RS232)
Fig. 7.1 HART-Protocol Connection (Remote Installation Shown)
IM/AZ20E–EN Rev. F
–
+
Hand-held Terminal
(for example, ABB Mobility DHH801-MFC)
7 HART®-Protocol
Multidrop
Connection
Single
Connection
Probe
69