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R&S OSP
8.4.3 Output Ports of R&S OSP-B103
The output ports of the module R&S OSP-B103 are designed as FET driver switching
to GND when activated. Each output is protected with diode against transients which
may occur when switching inductive loads such as relay coils.
Each output port can draw a maximum of 200 mA. The current draw of all 16 output
ports of the R&S OSP-B104 module is limited to a maximum of 800 mA.
R&S OSP-B103 current consumption
The R&S OSP is able to supply a nominal current of 800 mA for the module R&S OSP-
B103. But the total current for all three slots in the R&S OSP is limited to 2 A.
8.5 Application of Module R&S OSP-B104
The use of the module R&S OSP-B104 with its input/output ports for special use in
EMS systems is described in this chapter. The use extends to the following properties:
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8.5.1
Controlling External Power Relays with R&S OSP-B104
The module R&S OSP-B104 has four connectors to control power relays.
There are two models of Spinner relays supported by this module.
The following table gives a short specification of the preferred relay type to be used
with the R&S OSP-B104.
Switch
type
DPDT
DPDT
Other switches may be used if they are compatible to the output specifications of the
control lines. See the R&S OSP datasheet for details.
The connection of the relays of type BN 64 00 75 is done as shown in the block
diagram below.
Please note that in the connecting cable or rather in the corresponding connector the
bridges between pins 8 and 9 on the R&S OSP-B104 side and between pins (1, 2 and
17) and (21 and 24) on the switch side need to be supplied.
Operating Manual 1505.3896.12 - 14
Control of up to four high power RF relays
Monitoring of an interlock loop making use of door switches and these power
relays
Relaying the interlock status to any connected power amplifier
Ancillary four input port lines and five output port lines for arbitrary use
Max.
RF connector
Freq.
4 × 1 ⅝" EIA
2 GHz
5 GHz
4 × 7-16 female
Operating
Power rating
voltage
230 V AC
7 kW at 1 GHz
24 V DC
2 kW at 1 GHz
Applications
Type
Spinner BN 64 00 75
Spinner BN 51 26 70
187
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