Endura AZ series integral and remote transmitter
Combustion oxygen monitor
7 HART®-Protocol
IM/AZ20E–EN Rev. F
69
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.
Fig. 7.1 HART-Protocol Connection (Remote Installation Shown)
+
Hand-held Terminal
(for example, ABB Mobility DHH801-MFC)
4 mA Current Output (Multidrop Connection)
4 to 20 mA Current Output (Single Connection)
PC Connection
(USB or RS232)
Multidrop
Connection
Probe
250
Minimum Load
Single
Connection
HART Connections at
Terminal Block – see
Section 4.8, page 21
for Remote systems
or Section 4.11, page
24 for Integral
systems