Deltabar PMD75B PROFINET with Ethernet-APL Electrical connection
Endress+Hauser 27
6.2.5 Wiring
L
WARNING
Supply voltage might be connected!
Risk of electric shock and/or explosion!
‣
If the device is used in hazardous areas, comply with national standards and the
specifications in the Safety Instructions (XAs). Use the specified cable gland.
‣
The supply voltage must match the specifications on the nameplate.
‣
Switch off the supply voltage before connecting the device.
‣
If necessary, the potential matching line can be connected to the outer ground terminal
of the transmitter before the device is connected.
‣
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 device with the covers closed.
‣
Protective circuits against reverse polarity, HF influences and overvoltage peaks are
integrated.
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. Use a suitable tool with width across flats AF24/25
8 Nm (5.9 lbf ft) for the M20 cable gland.
6. Screw the cover securely back onto the connection compartment.
7. If fitted: tighten the screw of the cover lock using the Allen key 0.7 Nm (0.52 lbf ft)
±0.2 Nm (0.15 lbf ft).
6.2.6 Terminal assignment
Single compartment housing
A0042594
2 Connection terminals and ground terminal in the connection compartment
1 Positive terminal
2 Negative terminal
3 Internal ground terminal
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