Operating instructions

Table Of Contents
Connecting
6.4 Connecting equipotential bonding
SIMATIC IPC627C
42 Operating Instructions, 11/2010, A5E02669068-02
6.4 Connecting equipotential bonding
The equipotential bonding terminal (M4 thread) on the device (large surface, large-area
contact) must be connected to the PE conductor of the cabinet or system in which the device
is to be installed. The minimum cross-section is 5 mm
2
.
The equipotential bonding terminal is necessary to protect the device and improves the
discharge of interference generated by external power cables, signal cables or cables to the
I/O modules.
Connecting equipotential bonding
Connect the equipotential bonding
terminal on the device (large surface,
large-area contact) to the central
grounding point of the cabinet in which
the device is installed. The minimum
cross-section is 5 mm
2
.
6.5 Connecting Ethernet/USB strain relief
The Ethernet/USB strain relief supplied in the product package is used to prevent accidental
removal of the Ethernet cable and Industrial Ethernet FastConnect connector from the
device. You need two cable ties to use the strain relief. In addition to the Ethernet cables,
you can also use this strain relief to protect the four USB cables from inadvertent removal.
To secure the Ethernet strain relief, you will need a TORX T10 screwdriver.
Steps for connecting the Ethernet/USB strain relief
1
Fasten the Ethernet/USB strain relief to the device
enclosure with two oval-head screws (M3 thread).
2 Connect the network/USB cable and attach it to the
strain relief using cable ties
.