SEE
ALSO
For more information about connecting and disconnecting the V net coupler cable, refer to:
•
7.2.1, “Replacing V net Coupler Unit” on page 7-7
•
7.2.3, “Replacing Processor Module” on page 7-10
n
V net Conversion
Connecting the devices with different size of V net cables is explained as follows.
l
Using the Control Bus Conversion Adapter
Control bus conversion adapter (Model : YCB147) is an adapter for connecting the V net ca-
ble (10BASE-5) with V net cable (10BASE-2).
An BNC type connector is provided on one side of YCB147. The V net cable (10BASE-2)
from safety control unit is connected on this connector.
The other side of YCB147 is provided with N type connector,
the V net cable (10BASE-5) is connected on this connector.
It is required to install the clamp filters to V net cables.
V net cable
(10BASE-5)
V net cable
(10BASE-2)
BNC-type connector
N-type connector
Figure 3.3.1-4 Adapter for Connecting the V net Cable (10BASE-2) with V net Cable (10BASE-5)
l
Using the Control Bus Converter Unit
V net cable (10BASE-2) and V net cable (10BASE-5) can be connected via the control bus
converter unit (YCB149).
However, the weight and strength of the cables are different, the control bus converter unit
needs to be fixed firmly as follows.
•
Fix the control bus converter unit as close as possible to the V net connector to reduce
the load of the bus.
•
Fix the control bus converter unit somewhere near safety control unit above the floor level
to make maintenance convenient.
•
Place the control bus converter unit in an area isolated from human traffic.
•
On the 10BASE-5 V net cables, clamp filters are attached.
The following figure shows an example of the control bus converter unit installation.
<3.3 Connecting Control Bus Cables >
3-12
IM 32Q06C10-31E
4th Edition : Jan.30,2015-00
