1.7Specifications (DC/DC Power Models)
1.7.1Bridge/Multiplexer Models for DC/DC Power
Description | Name | BM85 Modbus Plus |
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| Bridge/Multiplexer |
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| Part Number | NW±BM85D002, NW±BM85D008 |
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Mounting Method | Vertical | Standard 19 in Rack |
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Physical | Height | 3.47 in (88 mm) |
Characteristics |
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| Width | 19.00 in (483 mm), mounting panel |
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| 18.26 in (464 mm), hole centers |
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| Depth | 9.15 in (232 mm) |
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| Weight | 5.5 lbs (2.5 kg) net |
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| 6.5 lbs (3.0 kg) shipping |
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Power | Requirements | 105 to 140 Vdc, or 24 Vdc +15% |
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| Access | Rear panel screw terminals |
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| Input Current | 0.41 A at 125 V dc |
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| Inrush Current | 6 A typical at 125 V dc |
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| Ground Leakage | 1 mA at 140 V dc |
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| Fuse | External, customer supplied |
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Environmental | Temperature | 0 ... 60 degrees C, operating |
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| ±40 ... +80 degrees C, storage |
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| Humidity | 0 ... 95%, non±condensing |
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| Altitude | 10,000 ft (3 km), maximum |
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| EMI, Radiated | 27 ... 500 mHz, 10 V/m |
| Susceptibility | IEC 801±3, level 3 |
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| IEEE/ANSI C37.90.2, 1987 |
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| Surge Withstand, | ± 2 kV (1 kV on I/O), V3300 |
| Fast Transient | generator into 50 ohms. |
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| Corresponds to ± 4 kV (2 kV on I/O) |
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| into open circuit. |
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| IEC 801±4, level 3 |
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| IEEE/ANSI C37.90.1 2.3, 1989 |
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| Surge Transients | 2 kV |
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| IEC 801±5, level 3 |
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| Electrostatic Discharge | 8 kV, ten discharges |
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| IEC 801±2, level 3 |
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Surge Withstand, Oscillatory Wave
2.5kV
IEEE 472
IEEE/ANSI C37.90.1 2.2, 1989
14 Introducing the BM85 Bridge/Multiplexers | 31007492 |
