R301 RF POWER SUPPLY OPERATOR’S MANUAL
RF Output Connection:
Connect the R301 RF Power Supply’s RF output to a suitable load via a coaxial cable.
Depending on the load configuration and application, several coaxial cable types may be
used. Consult with the Seren IPS Inc. sales department, customer service department, or a
Seren IPS Inc. representative to select the cable appropriate to your installation.
Coaxial cable types RG-213/U, RG-225/U or RG-393/U are typically used with R301 RF
Power Supply installations.
System Interfacing:
The R301 RF Power Supply can be used “stand-alone” or can be interfaced with a
processing system. There are five (5) connectors on the rear panel dedicated to system
interfacing. Refer to the Rear Panel Controls and Connections for detailed pin lists and
signal descriptions. There are many possible interface schemes – a full discussion of
interface schemes is beyond the scope of this document. Contact the Seren IPS Inc.
customer service department if you require assistance with interface connections. A brief
summary of the connectors is listed below.
“Analog Control” Connector
Provides status and control signals for an external system controller to operate the R301
RF Power Supply. The EXTERNAL INTERLOCK circuit must
be completed or the
R301 will not turn on. Refer to the Rear Panel Controls and Connections
section for
details.
“Serial Interface” Connector
Serial communications port for computer control via RS-232 protocol.
“CEX IN” Connector
Radio Frequency signal input. The R301 uses the signal present at this connector as the
frequency source when the R301 is configured for “slave” operation in a multiple RF
power supply system.
“CEX OUT” Connector
Radio Frequency signal output. The signal present at this connector is the same
frequency the R301 is using to produce its RF output. This signal can be used as a
frequency signal source for other RF Power supplies in a multiple RF power supply
system.
“DCP” Connector
(optional)
Voltage Probe Inverter input. When installed, a 0 to –10VDC signal applied to this
connector produces a 0 to +10VDC output on pin 25 of the Analog Interface connector.
This optional circuit inverts the output of a passive DC Voltage Probe, such as used in the
Seren IPS Inc. MM-Series and PM-Series matching networks, when using external
feedback for power regulation (voltage control).
Page 9
Seren IPS Inc.
6100130000 Rev. 0.05
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