Wika IPT-11 Bedienungsanleitung PDF herunterladen (Seite 20)

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Fig. 15: Connection compartment double chamber housing Ex d

1 Spring-loaded terminals for power supply and cable screen

2 Ground terminal for connection of the cable screen

1 2

Fig. 16: Wiring plan double chamber housing Ex d

1 Voltage supply/Signal output

5.6 Switch on phase

After connecting IPT-1* to power supp ly or after a voltage recurrence,

the instrument carries out a self-check for approx. 30 seconds:

l Internal check of the electronics

l Indication of the instrument type, the ﬁrmware as well as the

sensor TAGs (sensor designation)

l Output signal jumps brieﬂy (approx. 10 seconds) to the set fault

current

Connection compart-

ment

Wiring plan

Switch on phase

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

5 Connecting to power supply

31543-EN-090130

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Wika IPT-11 Bedienungsanleitung Seite 20