Emerson Micro Motion 1000 Series Configuration And Use Manual page 42

Connecting with the 275 HART Communicator or 375 Field Communicator
3. The Communicator must be connected across a resistance of 250–600 Ω. Add resistance to the
connection. See Figure 4-1.
Figure 4-1 Connecting to communication terminals – Model 1700/2700 transmitters
VDC (IS transmitters only)
See the transmitter installation manual
for voltage and resistance values
Figure 4-2 Connecting to communication terminals – Model 1500/2500 transmitters
Communicator
32
250–600 Ω
resistance
1
2
+
–
Communicator
+ –
Micro Motion Series 1000 and Series 2000 Transmitters
250–600 Ω
resistance