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參數(shù)資料
| 型號： | FPD1901120 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Channel Generators |
| 中文描述： | 頻道發(fā)電機 |
| 文件頁數(shù)： | 3/3頁 |
| 文件大小： | 89K |
| 代理商： | FPD1901120 |
Du line
Specifications are subject to change without notice (28.09.99)
Dupline
is a registered trademark. A product of the CARLO GAVAZZI Group
3
FPD 1901, D 3490 0000
Noise
suppression
Stop
+ -
DC
Power Supply
Noise
suppression
Stop
Power supply
(~ ~
Mode of Operation (cont.)
Note
:
- Do not use 2 or 3 sequen-
ces if analog modules or
counters are connected to
the system.
- Do not use 3 sequences if
the modem interface D9091
... is used in the system.
-
The transmission distance
of a Dupline
network is
reduced by 33% when
using 2 or 3 sequences, com-
pared to the figures given
under "Cable Selection".
In Dupline
systems with digi-
tal transmitters and receivers
the use of 2 or 3 sequences is
only recommended in cases
of extremely long cabling in
high noise level environment.
Application of 2 or 3 se-
quences results in absolutely
correct transmission but also
in a slow reaction time for the
system.
HF disturbance that is indu-
ced to the Dupline
may be
suppressed by interconnec-
tion of pins 4 & 6 (FPD 1901)
or terminals 4 & 1 (D 3490
0000. For inductive cables a
separate capacitor of less
than 1 μF may be mounted
between pins 3 & 6 (FPD
1901) or terminals 1 & 2 (D
3490 0000). But in the majori-
ty of cases the cable appears
to be capacitive requiring no
additional capacitor.
Note:
It is highly recommend-
ed to place the channel ge-
nerator in the middle of a
Dupline
system.
Operation Diagram
Stop function
Power supply
Dupline
carrier
Accessories
Wiring Diagrams
FPD 1901 AC supply
Noise
suppression
Stop
AC
Power Supply
D 3490 0000
FPD 1901 824 DC supply
Socket
Socket cover
Hold down spring
Front mounting bezel
DIN-rail for D 411
D 411
BB 5
HF
FRS 2
FMD 411
For further information refer to "Accessories".
S: signal wire
S: signal wire
S: signal wire
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