Commissioning • Connecting to the power grid
104
Automation PC 3100 user's manual V0.60
2 Connecting to the power grid
Danger!
•
All power supplies must be disconnected before removing device covers or components and
installing/removing accessories, hardware or cables.
•
The power cable must be disconnected from the device and from the power supply.
•
All covers, components, accessories, hardware and cables must be installed or connected be-
fore the device can be connected to the power supply and switched on.
2.1 Installing the DC power cable
Danger!
All power supplies to the B&R industrial PC and B&R Automation Panel must be interrupted. Before
connecting the DC power cable, it is necessary to check whether it has been disconnected from the
power source (e.g. power supply).
2.1.1 Wiring
The DC power cable must be installed in the terminal block (power supply connector) as shown in the image below.
Wires with a cross section of 0.75 mm
2
to 1.5 mm
2
and wire end sleeves must be used.
Installing screw clamp terminal block 0TB103.9
Fasten the wires with wire end sleeves into the terminal contacts
➁
as shown in the image below and tighten the
screw clamp terminals
➀
with a screwdriver (max. tightening torque 0.4 Nm).
Observe the pinout of the power supply connection on the device during wiring!
Installing a screw clamp terminal block
Screw clamp terminals
DC power cable
+
-
24 VDC
0 VDC
Functional ground
Terminal block
Terminal contacts
Figure 21: Installing a screw clamp terminal block
Installing cage clamp terminal block 0TB103.91
Insert a screwdriver into the cage clamp terminals
➀
and secure the wires with wire end sleeves in the terminal
contacts
➁
as shown in the image below. Close the terminal contact by removing the screwdriver.
Observe the pinout of the power supply connection on the device during wiring!
DC power cable
24 VDC
0 VDC
Terminal block
Cage clamp terminals
Terminal contacts
Functional ground
Installing a cage clamp terminal block
Figure 22: Installing a cage clamp terminal block
