Endress+Hauser Proline Prowirl 73 - HART Connection

Proline Prowirl 73 Wiring
Endress+Hauser 33
4.2.3 HART connection
Users have the following connection options at their disposal:
• Direct connection to transmitter by means of terminals 1 (+) / 2 (–)
• Connection across the 4 to 20 mA circuit.
!
Note!
• The measuring circuit's minimum load must be at least 250 .
• For the connection, also refer to the documentation issued by the HART Communication
Foundation, and in particular HCF LIT 20: "HART, a technical summary".
1. After commissioning: Switch HART write protection on or off (ä 48).
Connecting the HART handheld terminal
A0001901
Fig. 22: Electrical connection of the HART handheld terminal Field Xpert SFX100
a HART handheld terminal Field Xpert SFX100
b Additional switching units or PLC with transmitter power supply
Connecting a PC with operating software
A HART modem (e.g. "Commubox FXA195") is required for connecting a PC with operating
software (e.g. "FieldCare").
A0001902
Fig. 23: Electrical connection of a PC with operating software
1 PC with operating software
2 Additional switching units or PLC with passive input
3 HART modem, e.g. Commubox FXA195
³W250
a
b
12 34
++
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³W250
1
2
3
12 34
++
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