5.2.2.
Cable connection
Table 16:
Terminal cross sections and terminal tightening torques
Tightening torques
Terminal cross sections
Designation
1.2 – 1.5 Nm
1.0 – 6 mm
2
(flexible)
1.5 – 10 mm
2
(solid)
Power contacts
(U1, V1, W1, U2, V2, W2)
1.2 – 2.2 Nm
1.0 – 6 mm
2
(flexible) with ring lugs
1.5 – 10 mm
2
(solid) with loops
Protective earth connection
(PE)
0.5 – 0.7 Nm
0.25 – 2.5 mm
2
(flexible)
0.34 – 2.5 mm
2
(solid)
Control contacts
(1 to 50)
1.
Remove cable sheathing.
2.
Insert the wires into the cable glands.
3.
Fasten cable glands with the specified torque to ensure required enclosure
protection.
4.
Strip wires.
→
Controls approx. 6 mm, motor approx. 10 mm
5.
For flexible cables: Use wire end sleeves according to DIN 46228.
6.
Connect cables according to order-related wiring diagram.
In case of a fault: Hazardous voltage while protective earth conductor is NOT
connected!
Risk of electric shock.
→
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.
7.
Tighten PE conductors firmly to PE connection using ring lugs (flexible cables)
or loops (solid cables).
Figure 18: Protective earthing
[1]
Socket carrier
[2]
Screw
[3]
Washer
[4]
Lock washer
[5]
Protective earth with ring lugs/loops
[6]
Protective earthing, symbol:
8.
For shielded cables: Link the cable shield end via the cable gland to the housing
(earthing).
25
SQ 05.2 – SQ 14.2 / SQR 05.2 – SQR 14.2 Control unit - electromechanical
AC 01.2 Intrusive Modbus RTU
Electrical connection
