3. Insert cable glands [8] suitable for connecting cables.
➥
The enclosure protection IP... stated on the name plate is only ensured if suitable
cable glands are used. Example: Name plate for enclosure protection IP 68.
4. Seal unused cable entries [6] with suitable blanking plugs [7].
5. Insert the cables into the cable glands [8].
5.2.2 Cable connection
✔
Observe permissible cross sections.
1. Remove cable sheathing.
2. Strip wires.
3. For flexible cables: Use end sleeves according to DIN 46228.
4. Connect cables according to order-related wiring diagram.
In case of a fault: Hazardous voltage while protective earth conductor is NOT
connected!
Electric shock possible.
→
Connect all protective earth conductors.
→
Connect PE connection to external protective earth conductor of connecting
cables.
→
Start running the device only after having connected the protective earth con-
ductor.
5. Tighten PE conductors firmly to PE connection using ring lugs (flexible cables)
or loops (rigid cables).
Figure 13: PE connection
[1] Socket carrier
[2] Screw
[3] Washer
[4] Lock washer
[5] Protective earth with ring lugs/loops
[6]
PE connection, symbol:
Danger of corrosion: damage due condensation!
→
After mounting, connect the device immediately to electrical mains to ensure
that heater minimises condensation.
19
SG 05.1 – SG 12.1/SGR 05.1 – SGR 12.1 Control unit: electromechanic
AC 01.1 Intrusive Modbus RTU Electrical connection
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