Proline Prosonic Flow 91 Wiring
Endress+Hauser 25
4.2.2 Terminal assignment
!
Note!
Functional values of the outputs and power supply → ä 61
4.2.3 HART connection
Users have the following connection options at their disposal:
• Direct connection to transmitter by means of terminals 26(+) and 27 (−)
• Connection by means of the 4 to 20 mA circuit.
• The measuring loop's minimum load must be at least 250 Ω.
• After commissioning, make the following settings:
– CURRENT SPAN function → "4–20 mA HART"
– Switch HART write protection on or off → ä 31
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".
a0005573
Fig. 25: Electrical connection of HART handheld Field Xpert SFX100
1 HART handheld Field Xpert SFX100
2 Auxiliary energy
3Shielding
4 Other devices or PLC with passive input
Connection of a PC with an operating software
In order to connect a PC with an operating software (e.g. "FieldCare), a HART modem
(e.g. Commubox FXA 195) is needed.
a0005574
Fig. 26: Electrical connection of a PC with an operating software
1 PC with an operating software
2 Other evaluation devices or PLC with passive input
3Shield
4 HART modem, e.g. Commubox FXA 195
Terminal No. (wiring diagram → å 24)
24 (+) 25 (–) 26 (+) 27 (–) 1 (L1/L+) 2 (N/L–)
Pulse output HART current output Power supply
+26
³W250
–27
1
3
4
2
+26
³W250
–27
RS 232
1
3
4
2
To Next Page
Loading...
