STAR-BOX™
10
2
2.4.3
RS485 Half-Duplex Bus
The RS485 half-duplex bus signals are supplied to the STAR-Box™ through the pins
provided on the spring clamp connector.
Active Converter
STAR-Box™
Host
Data FROM RS485
1
2
RS485+
RS485-
S1
Passive
STAR-Box™
6
7
S2
1
2
S1
Data TO RS485
Figure 9 - RS485 Half-Duplex Connections
NOTE
Pin 1 is electrically connected to pins 6, just as pin 2 is electrically
connected to pins 7 to allow RS485 bus propagation throughout the
entire network.
2.4.4 System
Wiring
The connection and wiring procedure for STAR-Box™ is described as follows:
1)
Open the STAR-Box™ as described in paragraph 2.2.
2)
Unscrew the compression connectors and pass all the system cables
through them into the STAR-Box™ housing.
3)
To connect the power and input/output signals:
•
Prepare the individual wires of the system cables by stripping the
insulation back approximately 1 cm.
•
Using a device such as a screwdriver, push down on the lever directly
next to the clamp (see Figure 10).
•
Insert the wire into the clamp and release the lever.
The wire will now be held in the spring clamp.
Summary of Contents for STAR-Box
Page 1: ...STAR Box Installation Manual ...
Page 2: ......
