Setup With Pactware; Connect The Pc; Parameter Adjustment With; Pactware - WIKA LH-20 Betriebsanleitung

5 Setup with PACTware

5 Setup with PACTware

5.1 Connect the PC

Connecting the PC to the signal cable
Fig. 13: Connecting the PC to the signal cable
1
PC with PACTware
2
RS232, USB or Bluetooth interface
3
HART modem
4
HART resistor
5
Power supply unit
Necessary components:
Model LH-20 with signal output 4 ... 20 mA/
l
HART
PC with PACTware and suitable DTM
l
HART modem
l
HART resistance approx. 250 Ω
l
Power supply unit 24 V
l
Note:
With power supply units with integrated
HART resistance (internal resistance ap-
prox. 250 Ω) no additional external resist-
ance is necessary. In such cases, the
HART modem can be connected in parallel
to the 4 ... 20 mA cable.
22
4
3
1
2
WIKA Operating instructions – Submersible pressure transmitter model LH-20

5.2 Parameter adjustment with

PACTware

The further setup steps with detailed descriptions
can be found in the online help of PACTware and
the DTMs.
Note:
5
Keep in mind that for the setup of model
LH-20, the current version of the DTM-
Collection must be used.
The latest DTM Collection and PACTware version
can be downloaded free of charge via the Internet.