MODEL FB8189
FB8189 FASTBUS POWER SUPPLY
FEATURES
- Dual LCD Digital Voltmeters for Outputs
- +/- 15V DC & 24A Shared to 600 Watts
- Panel Meters for Input AC
- All outputs Monitored
- 200-260V 47-63Hz Input
GENERAL DESCRIPTION
This unit is a rack mounted Power Supply Assembly intended for use with a
FASTBUS crate. The FB8189 provides the +/- 15VDC, mains switches and metering,
and the wired frame for mounting the switching regulators which supply the +5V,
- 5.2V, and -2V DC digital power to the crate. All outputs are monitored by dual
(voltage & current) LCD digital voltmeters switch selected from the front
panel. Input voltage and current are also metered at the front panel. The FB8189
also provides the switched mains voltage for a blower and external switching
regulator power supplies. Any combination of three standard 5"x 8"x11-14"
packages can be added by inserting them into the slots provided at the rear of
the unit. Current options available are 120 or 200A for -2V and 200 or 300A for
the -5.2 and +5. For units with switching regulators providing 200A or less each,
inputs of 100-130 or 200-260V AC 47-63Hz are available. For crates requiring any
switching regulator with an output above 200A units are available only with
200-260VAC 47-63Hz input. All switching regulators have self-contained fans
which circulate air inside the chassis. All units have an ambient air
temperature operating range of 0-50 degrees C. Switching Regulator Power
Supplies plug into pre-wired slots at rear of Power Supply Chassis. The -5.2 and
+5V regulators are interchangeable. The +15V DC regulators, mains switching, and
metering circuitry are pre-wired with plugs, switching current shunts, and all
wiring including power leads to the crate.
ORDERING INFORMATION:
| Model FB8189-0 Power supply | ± 15V, No switching Regulators
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| Model FB8189-1 Power supply | ± 15V, -2V@120A, -5V@200A, +5V@200A
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| Model FB8189-2 Power supply | ± 15V, -2V@120A, -5V@200A, +5V@300A
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| Model FB8189-3 Power supply | ± 15V, -2V@200A, -5V@300A, +5V@200A
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| Model FB8189-4 Power supply | ± 15V, -2V@200A, -5V@300A, +5V@300A
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| NOTE 1: | +/- 15V Outputs Current Shared to 120% of output shown.
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| SPECIFICATIONS | Model 8189 | 300 AMP SW. REG. | 100-200 AMP SW. REG.
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| Input | 208-240VAC 47-63 Hz | 182-262VAC 47-63 Hz | 182-240VAC 47-63 Hz
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| Output (see note 1) | ± 15VDC @ 24A | +5VDC or -5VDC | +5VDC, -5.2VDC or -2VDC
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| Regulation | (line and load) ± 0.2% |
TOTAL ERROR BAND: +/- 2% or +100mV (whichever is greater) including the following:
- Input Power variation over the specified range
- Static Load variation 0-100% of full
- Dynamic Load stop (10 µsec rise) of 20% or 50A
- Ripple and Noise
- Temperature Stability over 0-50° C
- Drift for an 8-hour period
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| Noise and Ripple | Less than 10 mV p.p.
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| Ambient Temperature | 0-50° C
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| Temperature Coefficient | 0.02%/° C
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| Transient Recovery | 50 µsec typical
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| Fusing | Mains and all Reg. Input
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| Remote Sensing | All Outputs
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| Overload Protection | Foldback Current Limiting All Circuits
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| Overvoltage Protection | 125% max - All Outputs
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| Overtemperature Protection | Automatic Shutdown
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| Metering | Dual Liquid Crystal DVM: All outputs by Switch Select
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| Options | | Status Bit |
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| Power Loss Holdup | 16 msec | 20 msec | 30 msec
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| Efficiency | 40% | 72% | 72%
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| Voltage Adj. | ± 2.0% min | ± 10% min | ± 10% min
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| Shipping Weights | 49 lbs. | 24 lbs. | 26 lbs.
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| Size | 8.75" x 26" x 19" Rack | 5" x 8" x 11" | 5" x 8" x 11"
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