Control PanelSpecifications en 29
5.1 | B520 Specifications |
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| Voltage Input (Power | Primary: | 18 VAC terminal | 18.0 VAC, 50 VA class 2 | |
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| transformer |
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| (18.0 VAC, 50 VA class 2 |
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| transformer – |
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| Secondary: | Batt 1, Batt 2 | The B520 Auxiliary Power Supply | |
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| terminals | Module supports the connection of | |
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| two independantly monitored sealed |
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| VDC, 7 Ah through 12.0 VDC, 36 Ah). |
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| Current | Refer to the B520 Auxiliary Power Supply Module Battery Standby Chart | |||
| Requirements | section in the B520 Auxiliary Power Supply Module Installation and | |||
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| Operation Guide (P/B: F01U265445) for the current draw | |||
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| requirements of other system components. | |||
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| Power Outputs* | All external connections are | |||
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| Continuous | SDI2 Out, AUX | 2.0 A maximum at 11.5 to 12.2 VDC | |
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| Power | PWR terminals | (special application) (continuous | |
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| Outputs | (rated range) | supply) total for all devices and | |
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| outputs supplied at Terminals |
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| Fire and | To comply with UL 985 and 864 listing standards for fire | ||
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| Fire/ | alarm systems, the total combined continuous and | ||
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| Burglary | alarm current draw for the system during alarm | ||
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| Systems | conditions must be limited to 2.0 A provided by the | ||
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| primary power supply (rectified AC). If current draw for | ||
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| the system exceeds 2.0 A, remove connected devices | ||
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| until the current draw falls below 2.0 A. Then connect | ||
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| the removed devices to an additional B520 Auxiliary | ||
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| Power Supply Module or to an external power supply | ||
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| *For UL 864 applications, refer to the Compatible Accessories section. | ||||
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| Minimum Operating | 10.2 VDC |
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| Voltage |
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| SDI2 Bus | SDI2 Bus A: |
| 8 | |
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| SDI2 Bus B: |
| 8 | |
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| Battery Discharge/ | Discharge |
| 13.2 VDC – Charging float level. | |
| Recharge Schedule | Cycle |
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| 12.0 VDC – Low Battery and AC Fail Reports if | |||
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| programmed. Low Battery LED on. | |
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| 10.2 VDC – Minimum operational voltage. | |
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| 9.8 VDC – Battery load (operation continue if AC is | |
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| present). |
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Bosch Security Systens, Inc. | UL Installation Instructions | 2012.12 02 F.01U.265.462 |
