Proline Promass 83
Wiring
Hauser
29
4.2.3
HART connection
Users have the following connection options at their disposal:
• Direct connection to transmitter by means of terminals 26(+) / 27(-)
• Connection by means of the 4 to 20 mA circuit
!
Note!
• The measuring circuit's minimum load must be at least 250 W.
• The CURRENT SPAN function must be set to "4-20 mA" (individual options see device
function).
• See also the documentation issued by the HART Communication Foundation, and in
particular HCF LIT 20: "HART, a technical summary".
Connection of the HART handheld communicator
See also the documentation issued by the HART Communication Foundation, and in
particular HCF LIT 20: "HART, a technical summary".
a0004586
Fig. 25:
Electrical connection of HART handheld Field Xpert SFX100
1
HART handheld Field Xpert SFX100
2
Auxiliary energy
3
Shielding
4
Other devices or PLC with passive input
Connection of a PC with an operating software
In order to connect a PC with operating software (e.g. FieldCare), a HART modem
(e.g. Commubox FXA195) is needed.
a0004592
Fig. 26:
Electrical connection of a PC with operating software
1
PC with operating software
2
Auxiliary energy
3
Shielding
4
Other switching units or PLC with passive input
5
HART modem, e.g. Commubox FXA195
+26
-27
4
2
³
250 Ω
1
3
+26
–27
1
2
3
5
4
³
250 Ω
Содержание HART Proline Promass 83
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