Wika IPT-11 Manual do Utilizador descarregar pdf (Página 37)

7 Setup with PACTware and other adjustment

programs

7.1 Connecting the PC

Power supply

PACTwa re /

DTM

HART-

Modem

Fig. 19: Connecting the PC to the signal cable

1 RS232 connection

2 HART resistor 250 Ω

3 IPT-1* 3

Necessary components:

l IPT-1*

l PC with PACTware and suitable WIKA DTM

l HART modem

l HART resistor approx. 250 Ω

l Power supply unit

Note:

For power supply units with integrated HAR T resistance (inner

resistance approx. 250 Ω), there is no additional external resistance

necessary. Standard Ex separators are often provided with a

suﬃciently high current limitation resistance. In such cases, the

modem can be connected in parallel to the 4 … 20 mA cable.

7.2 Parameter adjustment with PACTware

Further setup steps are described in the operating instructions manual

"DTM Collection/PACTware" attached to each CD and which can also

be downloaded from our homepage. A detailed description is available

in the online help of PACTware and the WIKA DTMs.

Connecting the PC to

the signal cable

Process pressure transmitter IPT-1* Vers. 3.0 - metalic sensor • 4 … 20 mA/HART 37

7 Setup with PACTware and other adjustment programs

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Wika IPT-11 Manual do Utilizador Página 37