Electrical connection
Deltabar PMD75B HART
26
Hauser
6.2.7
Wiring
L
WARNING
Supply voltage might be connected!
Risk of electric shock and/or explosion!
‣
If the device is used in hazardous areas, make sure to comply with national standards
and the specifications in the Safety Instructions (XAs). The specified cable gland must
be used.
‣
The supply voltage must match the specifications on the nameplate.
‣
Switch off the supply voltage before connecting the device.
‣
Connect the potential matching line to the external ground terminal of the transmitter
before connecting the device.
‣
A suitable circuit breaker should be provided for the device in accordance with IEC/EN
61010.
‣
The cables must be adequately insulated, with due consideration given to the supply
voltage and the overvoltage category.
‣
The connecting cables must offer adequate temperature stability, with due
consideration given to the ambient temperature.
‣
Only operate the measuring device with the covers closed.
Connect the device in the following order:
1. Release the cover lock (if provided).
2. Unscrew the cover.
3. Guide the cables into the cable glands or cable entries.
4. Connect the cables.
5. Tighten the cable glands or cable entries so that they are leak-tight. Counter-tighten
the housing entry.
6. Screw the cover securely back onto the connection compartment.
7. Tighten the screw of the cover lock (if provided) with an Allen key
0.7 Nm (0.52 lbf ft) ±0.2 Nm (0.15 lbf ft).
6.2.8
Terminal assignment
Single compartment housing
+
-
1
2
3
A0042594
3
Connection terminals and ground terminal in the connection compartment
1
Positive terminal
2
Negative terminal
3
Internal grounding terminal
