Ashly Protea WR-5 Manuale operativo - Pagina 2
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Stampa la paginaOperating Manual - WR-5 Remote Control
The WR-5 uses a four conductor
serial bus to connect to the 24.24M and
to subsequent WR-5 units, with a serial
bus termination (WR-5 jumper J6)
required on the last WR-5. Four
conductor telephone wire is suitable, as
well as CAT5, but if shielded wiring is
used be sure to ground the source end.
Under no circumstances should shield-
ing be left unconnected to ground, as
the added line capacitance will de-
grade the data signal.
Maximum distance to the first
WR-5 is <400ft (120m). Maximum
distance from first WR-5 to the next
WR-5 is <1000ft (300m).
Each WR-5 has two four-pin euroblock connectors on the back of the unit, one labeled
"INPUT" and the other labeled "LINK". Connect the four conductor serial bus wire from the
24.24M to the WR-5 INPUT as follows:
If more than one WR-5 is being used, connect the next length of four conductor bus wire from
the first WR-5's "LINK" euroblock connector to the following WR-5 "INPUT" connector, and so on,
until the last WR-5 is wired. On the last WR-5 in the chain, even if there is only one WR-5, install
the female jumper on J6 on the back of the pcb to terminate the serial data bus, and make sure all
prior WR-5 units have that jumper removed.
Note: If more than four WR-5 units are required, an external power supply must be used in-
stead of the 24.24M +18V supply. See section 6 for details.
Replacing a WR-3 or WR-4 with a WR-5
Ashly recommends using WR-5 units exclusively in new installations. However, where there is
an existing installation of a WR-3 or WR-4 which use the three wire bus format, the following
wiring instructions allow use of a WR-5 with existing wire runs.
1) Wire the "+18V" wire from the 24.24M to the WR-5 input pin 4.
2) Wire the "Data Out -/Gnd" from the 24.24M to the WR-5 input pin 3.
3) Wire the "Data Out +" from the 24.24M to the WR-5 input pin 2
4) Leave WR-5 pin 1 empty, unless the WR-5 is the last in the chain.
5) Subsequent WR-5 units connect with pins 2, 3, and 4 only
6) On the last WR-5 in the chain, connect input pin 1 back to the 24.24M "Data In +" using the
wiring formerly used as the terminating line from the WR-3 or WR-4. Be sure to install the jumper
J6 on the last WR-5 in series.
7) On the 24.24M, connect "Data In -" to "Data Out -/Gnd" as shown at top of page.
2
Wiring a WR-5 to a 24.24M
Install Jumper
On Last WR-5
J6
1
2
3
1
2
3
WR-5 J3
Data Link
Wire Pin 2 to Pin 5
4
The Next
WR-5 Data Input
4
1
2
3
4
WR-5 J2
Data Input
24.24M Data
Connector