
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
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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