BiRa Systems |
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MODEL 9700-SCB
HIGH POWERED CAMAC CRATE
(1000 / 1200 WATTS)
Main Features:
· 1000 Watts total standard output power, 1200 Watt optional.
· All voltages, both mandatory and optional (+/-6,+/-12,+/-24)
· Modular power supply with handles, locks automatically into position
making insertion and removal safe and easy. No tools required.
· Digital LCD voltage and current metering.
· Blower air-intake filters can be removed in seconds. No tools
required.
· Thermal, short circuit and over-voltage protection.
· Ferro-Resonant transformer is utilized to achieve better regulation
and
stability.
· Ripple & noise: <10mV p-p, <1mV RMS 200kHz bandwidth.
· Access to Voltage Test points on Blower (front) and Power Supply
(rear).
General Description:
Bi Ra Model 9700-SCB is a High powered CAMAC crate which design was based on the Model
6700-SCB. This model was designed to meet the users increasing power requirements by
providing several different model types of linear power supplies. The blower unit and
power supplies are modular allowing for easy upgrading or maintenance of system. The
standard Model 9700 is made up of three components: the crate, the 1000 Watt power supply,
and the six fan blower.
Crate Description:
The crate incorporates the CAMAC dataway with an 86-contact PC edge connector soldered
at each station. The crate supports the rear mounted power supply module and houses the
removable blower unit. The crate assembly is constructed of reinforced steel and designed
for convenience and serviceability. Both the blower unit and power supply can be detached
without removing the crate from the rack. One piece card guide racks are Electroless
nickel-plated to insure smooth alignment and minimize air obstruction for cooling of the
modules. The rugged solid racks sinks heat from modules to increase reliability and also
provide excellent ground for low level analog applications.
Power Supply Description:
The Model 9700 Power Supply employs the Ferro-Resonant transformer and Darlington
transistors to achieve higher efficiency and reliability. The power supply is modular in
construction, single connector attachment, and automatically latches into position. The
power supply is self-ventilated by a large internal blower (rated at 236 CFM) to maximize
cooling area and air flow in order to enhance performance and reliability. The power
supply outputs are protected from over-voltage and over-current. Additional features
include handles for maneuverability and safety, also instant visibility and easy access to
all fuses.
Blower Description:
The front-removable six fan blower unit features low-vibration, low-noise, and
venturi-type ball-bearing fans to provide good air flow and maximum module ventilation.
The blower unit and crate side panels were concurrently designed to insure maximum
air-intake. This design allows the user the versatility to use the powered crate as a
bench top or rack mounting it. The three large air intake ports house the dust filters
which can be removed in seconds without any tools. Front panel indicators include
over-temperature warning, a switch-selected digital meter for monitoring all voltages and
currents, and voltage test points.
Independent Rack Mounted Supply:
The modular power supply design allows the end-user the flexibility to rack mount the
supply independently from the crate for shallow or non-rear accessible racks. This
requires two simple components: the Power Supply Mounting Tray and the power cable. The
tray mounts to a standard 19" rack and is designed to allow the user to mount and
remove the power supply easily. The crate to power supply cable is 4ft. long or can be
customized per users requirements.

The 6750-SCB and 9750-SCB operate at 50Hz with input voltage of 230V
Notes:
1. On all models the +/-12V are derived from the +/- 24V sources; therefore the
+12 V Load must
be considered part of the +24V load and the 12V considered
part of the 24V load.
(All models provide current foldback limiting and overvoltage
crowbar for all output voltages.)
2. AC Input: 120VAC 60Hz. AC input line current @ 20A min.
3. AC Input: 230VAC 50Hz. AC input line current @ 10A min.
4. AC Input: 120VAC 60Hz. AC input line current @ 25A min.
5. AC Input: 230VAC 50Hz. AC input line current @ 13A min.
6. 19" Rack Mount Modular Power Supply for independent mounting from crate.
Order prefix (RM)
Electrical Specifications:
AC Input:
105-130VAC, 60Hz
210-254VAC, 50Hz (Optional)
AC Overcurrent:
Fuse protected in both line and neutral conductors.
AC Fuse rating:
105-130 VAC 20A/25A Slowblow
210-254 VAC 10A/13A Slowblow
Efficiency:
40% minimum
Adjustability:
All outputs user adjustable +/-7% minimum.
Line and Load Regulation: Better then 0.1% over AC
input range and 0 to 100% Load change.
Ripple and Noise:
<10 mV p-p, <1mV RMS 200 kHz bandwidth.
Overload Protection:
All
outputs are protected against overload and short circuit.
Overvoltage Protection:
Overvoltage protection circuit crowbars output when trip lever is exceeded.
Power Supply Cooling:
Self cooled with internal EBM AC ball bearing fan.
Thermal Protection:
Shuts down power supply if overheated. Automatic recovery.
Thermal Warning:
Heatsink temperature within 10°C of thermal shutdown.
Operating Temp. Range: Continuous
operation from 0° to 40°C.
Remote Sensing:
All outputs are remotely sensed at the Crate backplane.
Voltage test points:
All outputs, front and rear locations.
Voltage display monitor: All
voltages and currents.
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Bi Ra Systems,
Incorporated
2404 Comanche Road NE
Albuquerque, New Mexico 87107
Ph : 505-881-8887
Fax:505-888-0651