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CONNECTIONS
This section describes how to connect power and the field bus
to the OVN server. A supply pack with installation material
containing the required connectors for power and the field bus
are shipped with the server.
Power Connection
The OVN server requires an external power supply with the
following specifications: 24 Vac, 50 Hz to
60 Hz, or 24 Vdc.
Typical power supplies include:
DC Power Supply: Jameco Model No. DDU240050, 24 Vdc,
0.500 mA output, wall mounted power cube, Class 2.
AC Power Supply: 120 Vac/50 to 60 Hz input, 24 Vac
output,14507287 series, 14507350-002, listed.
Power consumption of the OVN server is 8 VA.
For the power connection, the 3-pole Phoenix connector is
required (included).
Wire the power cable as follows:
1. Cut off the original connector at the end of the cable.
2. Strip the two power cable ends and insert each cable
end into the openings of the 3-pole Phoenix connectors
that are marked for power.
3. Fasten them with a screwdriver.
4. Connect a chassis ground to the third position on this
connector as marked.
NOTE: The polarity (+/-) of the 3-pole Phoenix power
connector for DC power supplies is don't care.
Field Bus Connection
The 2-pole Phoenix connector (included) is used to connect to
the field bus (see Fig. 12).
Consult form no. 74-4022, Q7055B1047 Open View Net
Server Checkout & Test for additional information on field bus
wiring.
CABLES AND CONNECTORS
DB9F Null-Modem Connector
See Fig. 5 for serial connectors.
Q7055B1047 OPEN VIEW NET SERVER (OVN)
Fig. 5. Serial connector (female connector is numbered as
Fig. 6 shows how to configure a DB9F Null-Modem Cable.
RxD
2
TxD
3
DTR
4
DCD
1
DSR
6
GND
5
RTS
7
CTS
8
RI
9
Fig. 6. Signal connections for DB9F Null-Modem Cable.
5
1 = DCD
2 = RxD
3 = TxD
4 = DTR
5 = GROUND
9 = RI
8 = CTS
7 = RTS
6 = DSR
M19592
shown).
RxD
2
TxD
3
DSR
6
DCD
1
DTR
4
GND
5
RTS
7
CTS
8
RI
9
M19594
95-7711
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