During use of the internal batteries the Charging LED blinks and a beeper

During use of the internal batteries the charging led

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During use of the internal batteries, the Charging LED blinks and a beeper sounds when battery life is almost exhausted. Within a few minutes, internal cutoff circuits disconnect the load from the batteries to prevent the possibility of deep-cycle damage. Note: Current protection is provided by four fuses. Two 7.5A fuses for the unit’s internal batteries, one 7.5 A fuse for an auxiliary (external) battery, and a 15 A fuse for the power input. You can use a CA-172 cable to connect a vehicle battery (via a cigarette lighter) to the DBK34A terminal board. The cable is six feet long, contains a cigarette lighter adapter at one end, and stripped leads (for terminal connection) at the other. For trouble-free operation, fully charge the batteries before use. Charged battery runtime depends on the load and on the mode of operation. Appendix C 977995 Power Options C-5
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DBK34A Block Diagram Hardware Setup Configuration for 12 Volt (Default) or 24 Volt Operation DBK34A’s Screw Terminal Board, TB1 DBK34A’s screw terminal numbers read from right to left (9,8,7…3,2,1) when viewed from the front panel (see figure). For 12 Volt Operation : 1. Remove jumper from terminals 8 and 7, if present. 2. Use a jumper to short terminals 9 and 8 3. Use a jumper to short terminals 7 and 6 For 24 Volt Operation : 1. Remove jumpers from terminals 9 and 8, if present 2. Remove jumpers from terminals 7 and 6, if present. 3. Use a jumper to short terminals 8 and 7. Power Power In (12 or 24 VDC only). Connect MAIN POWER INPUT (+) positive to Terminal 3 of TB1. Connect MAIN POWER INPUT (-) negative to Terminal 5 of TB1. TB1’s Terminal 4 is reserved for factory use and is not to be connected by the user. The use of an optional auxiliary battery will extend run-time. For use with DBK34A, auxiliary batteries must be of lead-acid chemistry, in the 2 to 3 A-Hr range, and of the same voltage as that set by the Voltage Select Jumpers. Auxiliary batteries charge and discharge in the same manner as the internal batteries. If an auxiliary battery is to be used, connect AUX BATT (+) positive to Terminal 1 (of TB1), and connect AUX BATT (-) negative to Terminal 2 (of TB1). C-6 Power Options 977995 ZonicBook/618E User’s Manual
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Power Out. The pinout at the right applies to the two POWER OUT DIN5 connectors. The DBK34A package includes a short connecting cable to connect to the powered device. This cable connects the POWER OUT connector on the DBK34A and to the POWER IN connector on the acquisition device; e.g., ZonicBook/618E, WaveBook, LogBook, DaqBook, or WBK/DBK module. DIN5 Power Output Connector (2 per DBK34A) Indicators. Three front-panel LED indicators provide power and charging status information. LED Indicators & Descriptions MAIN POWER Lights when the DBK34A power input is connected to a source of at least 12.25 VDC CHARGING Lights when the internal batteries are being fast-charged at a rate of 0.1 amp/cell or greater.
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